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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-05 18:52:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-05 18:52:54 -0800
commitc54febae996d36c630f09209cd9983ecfda3fcad (patch)
tree35b2717dcd4e4ff2206cd468b5895afb16f49c8c
parente42e4ba07bc72c0eb7c7ab3bf9e5076db90d0f37 (diff)
parenteb8374e71f941a1b3c2ed6ea19dc809e7124dc5d (diff)
downloadop-kernel-dev-c54febae996d36c630f09209cd9983ecfda3fcad.zip
op-kernel-dev-c54febae996d36c630f09209cd9983ecfda3fcad.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (27 commits) GFS2: Use DEFINE_SPINLOCK GFS2: Fix use-after-free bug on umount (try #2) Revert "GFS2: Fix use-after-free bug on umount" GFS2: Streamline alloc calculations for writes GFS2: Send useful information with uevent messages GFS2: Fix use-after-free bug on umount GFS2: Remove ancient, unused code GFS2: Move four functions from super.c GFS2: Fix bug in gfs2_lock_fs_check_clean() GFS2: Send some sensible sysfs stuff GFS2: Kill two daemons with one patch GFS2: Move gfs2_recoverd into recovery.c GFS2: Fix "truncate in progress" hang GFS2: Clean up & move gfs2_quotad GFS2: Add more detail to debugfs glock dumps GFS2: Banish struct gfs2_rgrpd_host GFS2: Move rg_free from gfs2_rgrpd_host to gfs2_rgrpd GFS2: Move rg_igeneration into struct gfs2_rgrpd GFS2: Banish struct gfs2_dinode_host GFS2: Move i_size from gfs2_dinode_host and rename it to i_disksize ...
-rw-r--r--fs/gfs2/Makefile2
-rw-r--r--fs/gfs2/acl.c2
-rw-r--r--fs/gfs2/bmap.c77
-rw-r--r--fs/gfs2/bmap.h34
-rw-r--r--fs/gfs2/daemon.c136
-rw-r--r--fs/gfs2/daemon.h17
-rw-r--r--fs/gfs2/dir.c62
-rw-r--r--fs/gfs2/dir.h1
-rw-r--r--fs/gfs2/eattr.c40
-rw-r--r--fs/gfs2/glock.c303
-rw-r--r--fs/gfs2/glock.h2
-rw-r--r--fs/gfs2/glops.c56
-rw-r--r--fs/gfs2/incore.h55
-rw-r--r--fs/gfs2/inode.c53
-rw-r--r--fs/gfs2/inode.h13
-rw-r--r--fs/gfs2/locking/dlm/mount.c12
-rw-r--r--fs/gfs2/locking/dlm/sysfs.c16
-rw-r--r--fs/gfs2/main.c15
-rw-r--r--fs/gfs2/mount.c29
-rw-r--r--fs/gfs2/ops_address.c32
-rw-r--r--fs/gfs2/ops_dentry.c2
-rw-r--r--fs/gfs2/ops_dentry.h17
-rw-r--r--fs/gfs2/ops_export.c5
-rw-r--r--fs/gfs2/ops_file.c22
-rw-r--r--fs/gfs2/ops_fstype.c125
-rw-r--r--fs/gfs2/ops_fstype.h19
-rw-r--r--fs/gfs2/ops_inode.c75
-rw-r--r--fs/gfs2/ops_inode.h25
-rw-r--r--fs/gfs2/ops_super.c149
-rw-r--r--fs/gfs2/ops_super.h17
-rw-r--r--fs/gfs2/quota.c113
-rw-r--r--fs/gfs2/quota.h24
-rw-r--r--fs/gfs2/recovery.c48
-rw-r--r--fs/gfs2/recovery.h14
-rw-r--r--fs/gfs2/rgrp.c58
-rw-r--r--fs/gfs2/super.c246
-rw-r--r--fs/gfs2/super.h13
-rw-r--r--fs/gfs2/sys.c66
-rw-r--r--fs/gfs2/sys.h4
-rw-r--r--fs/gfs2/util.c1
-rw-r--r--fs/gfs2/util.h1
-rw-r--r--fs/ioctl.c44
-rw-r--r--include/linux/fs.h3
43 files changed, 964 insertions, 1084 deletions
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index ec65851..c1b4ec6a 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -1,5 +1,5 @@
obj-$(CONFIG_GFS2_FS) += gfs2.o
-gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \
+gfs2-y := acl.o bmap.o dir.o eaops.o eattr.o glock.o \
glops.o inode.o log.o lops.o locking.o main.o meta_io.o \
mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \
ops_fstype.o ops_inode.o ops_super.o quota.o \
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 3e9bd46..e335dce 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -91,7 +91,7 @@ static int acl_get(struct gfs2_inode *ip, int access, struct posix_acl **acl,
struct gfs2_ea_location el_this;
int error;
- if (!ip->i_di.di_eattr)
+ if (!ip->i_eattr)
return 0;
memset(&er, 0, sizeof(struct gfs2_ea_request));
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index bec76b1..11ffc56 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -75,9 +75,9 @@ static int gfs2_unstuffer_page(struct gfs2_inode *ip, struct buffer_head *dibh,
void *kaddr = kmap(page);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
- ip->i_di.di_size);
- memset(kaddr + ip->i_di.di_size, 0,
- PAGE_CACHE_SIZE - ip->i_di.di_size);
+ ip->i_disksize);
+ memset(kaddr + ip->i_disksize, 0,
+ PAGE_CACHE_SIZE - ip->i_disksize);
kunmap(page);
SetPageUptodate(page);
@@ -132,7 +132,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
if (error)
goto out;
- if (ip->i_di.di_size) {
+ if (ip->i_disksize) {
/* Get a free block, fill it with the stuffed data,
and write it out to disk */
@@ -159,7 +159,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page)
di = (struct gfs2_dinode *)dibh->b_data;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
- if (ip->i_di.di_size) {
+ if (ip->i_disksize) {
*(__be64 *)(di + 1) = cpu_to_be64(block);
gfs2_add_inode_blocks(&ip->i_inode, 1);
di->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
@@ -926,7 +926,7 @@ static int do_grow(struct gfs2_inode *ip, u64 size)
}
}
- ip->i_di.di_size = size;
+ ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@@ -1033,7 +1033,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
goto out;
if (gfs2_is_stuffed(ip)) {
- ip->i_di.di_size = size;
+ ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@@ -1045,9 +1045,9 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
error = gfs2_block_truncate_page(ip->i_inode.i_mapping);
if (!error) {
- ip->i_di.di_size = size;
+ ip->i_disksize = size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
- ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG;
+ ip->i_diskflags |= GFS2_DIF_TRUNC_IN_PROG;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
}
@@ -1114,13 +1114,13 @@ static int trunc_end(struct gfs2_inode *ip)
if (error)
goto out;
- if (!ip->i_di.di_size) {
+ if (!ip->i_disksize) {
ip->i_height = 0;
ip->i_goal = ip->i_no_addr;
gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode));
}
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
- ip->i_di.di_flags &= ~GFS2_DIF_TRUNC_IN_PROG;
+ ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
@@ -1205,9 +1205,9 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size)
if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode)))
return -EINVAL;
- if (size > ip->i_di.di_size)
+ if (size > ip->i_disksize)
error = do_grow(ip, size);
- else if (size < ip->i_di.di_size)
+ else if (size < ip->i_disksize)
error = do_shrink(ip, size);
else
/* update time stamps */
@@ -1219,7 +1219,7 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size)
int gfs2_truncatei_resume(struct gfs2_inode *ip)
{
int error;
- error = trunc_dealloc(ip, ip->i_di.di_size);
+ error = trunc_dealloc(ip, ip->i_disksize);
if (!error)
error = trunc_end(ip);
return error;
@@ -1231,35 +1231,6 @@ int gfs2_file_dealloc(struct gfs2_inode *ip)
}
/**
- * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file
- * @ip: the file
- * @len: the number of bytes to be written to the file
- * @data_blocks: returns the number of data blocks required
- * @ind_blocks: returns the number of indirect blocks required
- *
- */
-
-void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
- unsigned int *data_blocks, unsigned int *ind_blocks)
-{
- struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- unsigned int tmp;
-
- if (gfs2_is_dir(ip)) {
- *data_blocks = DIV_ROUND_UP(len, sdp->sd_jbsize) + 2;
- *ind_blocks = 3 * (sdp->sd_max_jheight - 1);
- } else {
- *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3;
- *ind_blocks = 3 * (sdp->sd_max_height - 1);
- }
-
- for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) {
- tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs);
- *ind_blocks += tmp;
- }
-}
-
-/**
* gfs2_write_alloc_required - figure out if a write will require an allocation
* @ip: the file being written to
* @offset: the offset to write to
@@ -1276,6 +1247,7 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
struct buffer_head bh;
unsigned int shift;
u64 lblock, lblock_stop, size;
+ u64 end_of_file;
*alloc_required = 0;
@@ -1291,19 +1263,12 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
*alloc_required = 1;
shift = sdp->sd_sb.sb_bsize_shift;
- if (gfs2_is_dir(ip)) {
- unsigned int bsize = sdp->sd_jbsize;
- lblock = offset;
- do_div(lblock, bsize);
- lblock_stop = offset + len + bsize - 1;
- do_div(lblock_stop, bsize);
- } else {
- u64 end_of_file = (ip->i_di.di_size + sdp->sd_sb.sb_bsize - 1) >> shift;
- lblock = offset >> shift;
- lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
- if (lblock_stop > end_of_file)
- return 0;
- }
+ BUG_ON(gfs2_is_dir(ip));
+ end_of_file = (ip->i_disksize + sdp->sd_sb.sb_bsize - 1) >> shift;
+ lblock = offset >> shift;
+ lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift;
+ if (lblock_stop > end_of_file)
+ return 0;
size = (lblock_stop - lblock) << shift;
do {
diff --git a/fs/gfs2/bmap.h b/fs/gfs2/bmap.h
index 4e6cde2..c983177 100644
--- a/fs/gfs2/bmap.h
+++ b/fs/gfs2/bmap.h
@@ -10,10 +10,40 @@
#ifndef __BMAP_DOT_H__
#define __BMAP_DOT_H__
+#include "inode.h"
+
struct inode;
struct gfs2_inode;
struct page;
+
+/**
+ * gfs2_write_calc_reserv - calculate number of blocks needed to write to a file
+ * @ip: the file
+ * @len: the number of bytes to be written to the file
+ * @data_blocks: returns the number of data blocks required
+ * @ind_blocks: returns the number of indirect blocks required
+ *
+ */
+
+static inline void gfs2_write_calc_reserv(const struct gfs2_inode *ip,
+ unsigned int len,
+ unsigned int *data_blocks,
+ unsigned int *ind_blocks)
+{
+ const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+ unsigned int tmp;
+
+ BUG_ON(gfs2_is_dir(ip));
+ *data_blocks = (len >> sdp->sd_sb.sb_bsize_shift) + 3;
+ *ind_blocks = 3 * (sdp->sd_max_height - 1);
+
+ for (tmp = *data_blocks; tmp > sdp->sd_diptrs;) {
+ tmp = DIV_ROUND_UP(tmp, sdp->sd_inptrs);
+ *ind_blocks += tmp;
+ }
+}
+
int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page);
int gfs2_block_map(struct inode *inode, sector_t lblock, struct buffer_head *bh, int create);
int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen);
@@ -21,10 +51,6 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi
int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
int gfs2_truncatei_resume(struct gfs2_inode *ip);
int gfs2_file_dealloc(struct gfs2_inode *ip);
-
-void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
- unsigned int *data_blocks,
- unsigned int *ind_blocks);
int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
unsigned int len, int *alloc_required);
diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c
deleted file mode 100644
index e519919..0000000
--- a/fs/gfs2/daemon.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/completion.h>
-#include <linux/buffer_head.h>
-#include <linux/kthread.h>
-#include <linux/delay.h>
-#include <linux/gfs2_ondisk.h>
-#include <linux/lm_interface.h>
-#include <linux/freezer.h>
-
-#include "gfs2.h"
-#include "incore.h"
-#include "daemon.h"
-#include "glock.h"
-#include "log.h"
-#include "quota.h"
-#include "recovery.h"
-#include "super.h"
-#include "util.h"
-
-/* This uses schedule_timeout() instead of msleep() because it's good for
- the daemons to wake up more often than the timeout when unmounting so
- the user's unmount doesn't sit there forever.
-
- The kthread functions used to start these daemons block and flush signals. */
-
-/**
- * gfs2_glockd - Reclaim unused glock structures
- * @sdp: Pointer to GFS2 superblock
- *
- * One or more of these daemons run, reclaiming glocks on sd_reclaim_list.
- * Number of daemons can be set by user, with num_glockd mount option.
- */
-
-int gfs2_glockd(void *data)
-{
- struct gfs2_sbd *sdp = data;
-
- while (!kthread_should_stop()) {
- while (atomic_read(&sdp->sd_reclaim_count))
- gfs2_reclaim_glock(sdp);
-
- wait_event_interruptible(sdp->sd_reclaim_wq,
- (atomic_read(&sdp->sd_reclaim_count) ||
- kthread_should_stop()));
- if (freezing(current))
- refrigerator();
- }
-
- return 0;
-}
-
-/**
- * gfs2_recoverd - Recover dead machine's journals
- * @sdp: Pointer to GFS2 superblock
- *
- */
-
-int gfs2_recoverd(void *data)
-{
- struct gfs2_sbd *sdp = data;
- unsigned long t;
-
- while (!kthread_should_stop()) {
- gfs2_check_journals(sdp);
- t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ;
- if (freezing(current))
- refrigerator();
- schedule_timeout_interruptible(t);
- }
-
- return 0;
-}
-
-/**
- * gfs2_quotad - Write cached quota changes into the quota file
- * @sdp: Pointer to GFS2 superblock
- *
- */
-
-int gfs2_quotad(void *data)
-{
- struct gfs2_sbd *sdp = data;
- unsigned long t;
- int error;
-
- while (!kthread_should_stop()) {
- /* Update the master statfs file */
-
- t = sdp->sd_statfs_sync_time +
- gfs2_tune_get(sdp, gt_statfs_quantum) * HZ;
-
- if (time_after_eq(jiffies, t)) {
- error = gfs2_statfs_sync(sdp);
- if (error &&
- error != -EROFS &&
- !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
- fs_err(sdp, "quotad: (1) error=%d\n", error);
- sdp->sd_statfs_sync_time = jiffies;
- }
-
- /* Update quota file */
-
- t = sdp->sd_quota_sync_time +
- gfs2_tune_get(sdp, gt_quota_quantum) * HZ;
-
- if (time_after_eq(jiffies, t)) {
- error = gfs2_quota_sync(sdp);
- if (error &&
- error != -EROFS &&
- !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
- fs_err(sdp, "quotad: (2) error=%d\n", error);
- sdp->sd_quota_sync_time = jiffies;
- }
-
- gfs2_quota_scan(sdp);
-
- t = gfs2_tune_get(sdp, gt_quotad_secs) * HZ;
- if (freezing(current))
- refrigerator();
- schedule_timeout_interruptible(t);
- }
-
- return 0;
-}
-
diff --git a/fs/gfs2/daemon.h b/fs/gfs2/daemon.h
deleted file mode 100644
index 4be084f..0000000
--- a/fs/gfs2/daemon.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __DAEMON_DOT_H__
-#define __DAEMON_DOT_H__
-
-int gfs2_glockd(void *data);
-int gfs2_recoverd(void *data);
-int gfs2_quotad(void *data);
-
-#endif /* __DAEMON_DOT_H__ */
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index eed040d..b7c8e5c 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -36,7 +36,7 @@
* the block. In leaves, they begin at offset sizeof(struct gfs2_leaf) from the
* beginning of the leaf block. The dirents reside in leaves when
*
- * dip->i_di.di_flags & GFS2_DIF_EXHASH is true
+ * dip->i_diskflags & GFS2_DIF_EXHASH is true
*
* Otherwise, the dirents are "linear", within a single stuffed dinode block.
*
@@ -128,8 +128,8 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf,
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size);
- if (ip->i_di.di_size < offset + size)
- ip->i_di.di_size = offset + size;
+ if (ip->i_disksize < offset + size)
+ ip->i_disksize = offset + size;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_dinode_out(ip, dibh->b_data);
@@ -226,8 +226,8 @@ out:
if (error)
return error;
- if (ip->i_di.di_size < offset + copied)
- ip->i_di.di_size = offset + copied;
+ if (ip->i_disksize < offset + copied)
+ ip->i_disksize = offset + copied;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
@@ -277,11 +277,11 @@ static int gfs2_dir_read_data(struct gfs2_inode *ip, char *buf, u64 offset,
int copied = 0;
int error = 0;
- if (offset >= ip->i_di.di_size)
+ if (offset >= ip->i_disksize)
return 0;
- if (offset + size > ip->i_di.di_size)
- size = ip->i_di.di_size - offset;
+ if (offset + size > ip->i_disksize)
+ size = ip->i_disksize - offset;
if (!size)
return 0;
@@ -755,12 +755,12 @@ static struct gfs2_dirent *gfs2_dirent_search(struct inode *inode,
struct gfs2_inode *ip = GFS2_I(inode);
int error;
- if (ip->i_di.di_flags & GFS2_DIF_EXHASH) {
+ if (ip->i_diskflags & GFS2_DIF_EXHASH) {
struct gfs2_leaf *leaf;
unsigned hsize = 1 << ip->i_depth;
unsigned index;
u64 ln;
- if (hsize * sizeof(u64) != ip->i_di.di_size) {
+ if (hsize * sizeof(u64) != ip->i_disksize) {
gfs2_consist_inode(ip);
return ERR_PTR(-EIO);
}
@@ -858,8 +858,8 @@ static int dir_make_exhash(struct inode *inode)
return -ENOSPC;
bn = bh->b_blocknr;
- gfs2_assert(sdp, dip->i_di.di_entries < (1 << 16));
- leaf->lf_entries = cpu_to_be16(dip->i_di.di_entries);
+ gfs2_assert(sdp, dip->i_entries < (1 << 16));
+ leaf->lf_entries = cpu_to_be16(dip->i_entries);
/* Copy dirents */
@@ -905,9 +905,9 @@ static int dir_make_exhash(struct inode *inode)
for (x = sdp->sd_hash_ptrs; x--; lp++)
*lp = cpu_to_be64(bn);
- dip->i_di.di_size = sdp->sd_sb.sb_bsize / 2;
+ dip->i_disksize = sdp->sd_sb.sb_bsize / 2;
gfs2_add_inode_blocks(&dip->i_inode, 1);
- dip->i_di.di_flags |= GFS2_DIF_EXHASH;
+ dip->i_diskflags |= GFS2_DIF_EXHASH;
for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ;
dip->i_depth = y;
@@ -1082,7 +1082,7 @@ static int dir_double_exhash(struct gfs2_inode *dip)
int error = 0;
hsize = 1 << dip->i_depth;
- if (hsize * sizeof(u64) != dip->i_di.di_size) {
+ if (hsize * sizeof(u64) != dip->i_disksize) {
gfs2_consist_inode(dip);
return -EIO;
}
@@ -1091,7 +1091,7 @@ static int dir_double_exhash(struct gfs2_inode *dip)
buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS | __GFP_NOFAIL);
- for (block = dip->i_di.di_size >> sdp->sd_hash_bsize_shift; block--;) {
+ for (block = dip->i_disksize >> sdp->sd_hash_bsize_shift; block--;) {
error = gfs2_dir_read_data(dip, (char *)buf,
block * sdp->sd_hash_bsize,
sdp->sd_hash_bsize, 1);
@@ -1370,7 +1370,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque,
unsigned depth = 0;
hsize = 1 << dip->i_depth;
- if (hsize * sizeof(u64) != dip->i_di.di_size) {
+ if (hsize * sizeof(u64) != dip->i_disksize) {
gfs2_consist_inode(dip);
return -EIO;
}
@@ -1426,10 +1426,10 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque,
int copied = 0;
int error;
- if (!dip->i_di.di_entries)
+ if (!dip->i_entries)
return 0;
- if (dip->i_di.di_flags & GFS2_DIF_EXHASH)
+ if (dip->i_diskflags & GFS2_DIF_EXHASH)
return dir_e_read(inode, offset, opaque, filldir);
if (!gfs2_is_stuffed(dip)) {
@@ -1453,17 +1453,17 @@ int gfs2_dir_read(struct inode *inode, u64 *offset, void *opaque,
error = PTR_ERR(dent);
goto out;
}
- if (dip->i_di.di_entries != g.offset) {
+ if (dip->i_entries != g.offset) {
fs_warn(sdp, "Number of entries corrupt in dir %llu, "
- "ip->i_di.di_entries (%u) != g.offset (%u)\n",
+ "ip->i_entries (%u) != g.offset (%u)\n",
(unsigned long long)dip->i_no_addr,
- dip->i_di.di_entries,
+ dip->i_entries,
g.offset);
error = -EIO;
goto out;
}
error = do_filldir_main(dip, offset, opaque, filldir, darr,
- dip->i_di.di_entries, &copied);
+ dip->i_entries, &copied);
out:
kfree(darr);
}
@@ -1612,7 +1612,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name,
dent = gfs2_init_dirent(inode, dent, name, bh);
gfs2_inum_out(nip, dent);
dent->de_type = cpu_to_be16(type);
- if (ip->i_di.di_flags & GFS2_DIF_EXHASH) {
+ if (ip->i_diskflags & GFS2_DIF_EXHASH) {
leaf = (struct gfs2_leaf *)bh->b_data;
be16_add_cpu(&leaf->lf_entries, 1);
}
@@ -1621,14 +1621,14 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name,
if (error)
break;
gfs2_trans_add_bh(ip->i_gl, bh, 1);
- ip->i_di.di_entries++;
+ ip->i_entries++;
ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
gfs2_dinode_out(ip, bh->b_data);
brelse(bh);
error = 0;
break;
}
- if (!(ip->i_di.di_flags & GFS2_DIF_EXHASH)) {
+ if (!(ip->i_diskflags & GFS2_DIF_EXHASH)) {
error = dir_make_exhash(inode);
if (error)
break;
@@ -1691,7 +1691,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name)
}
dirent_del(dip, bh, prev, dent);
- if (dip->i_di.di_flags & GFS2_DIF_EXHASH) {
+ if (dip->i_diskflags & GFS2_DIF_EXHASH) {
struct gfs2_leaf *leaf = (struct gfs2_leaf *)bh->b_data;
u16 entries = be16_to_cpu(leaf->lf_entries);
if (!entries)
@@ -1704,10 +1704,10 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name)
if (error)
return error;
- if (!dip->i_di.di_entries)
+ if (!dip->i_entries)
gfs2_consist_inode(dip);
gfs2_trans_add_bh(dip->i_gl, bh, 1);
- dip->i_di.di_entries--;
+ dip->i_entries--;
dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME;
gfs2_dinode_out(dip, bh->b_data);
brelse(bh);
@@ -1748,7 +1748,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename,
gfs2_inum_out(nip, dent);
dent->de_type = cpu_to_be16(new_type);
- if (dip->i_di.di_flags & GFS2_DIF_EXHASH) {
+ if (dip->i_diskflags & GFS2_DIF_EXHASH) {
brelse(bh);
error = gfs2_meta_inode_buffer(dip, &bh);
if (error)
@@ -1784,7 +1784,7 @@ static int foreach_leaf(struct gfs2_inode *dip, leaf_call_t lc, void *data)
int error = 0;
hsize = 1 << dip->i_depth;
- if (hsize * sizeof(u64) != dip->i_di.di_size) {
+ if (hsize * sizeof(u64) != dip->i_disksize) {
gfs2_consist_inode(dip);
return -EIO;
}
diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
index 8a468ca..4f91944 100644
--- a/fs/gfs2/dir.h
+++ b/fs/gfs2/dir.h
@@ -11,6 +11,7 @@
#define __DIR_DOT_H__
#include <linux/dcache.h>
+#include <linux/crc32.h>
struct inode;
struct gfs2_inode;
diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c
index e3f76f4..0d1c76d 100644
--- a/fs/gfs2/eattr.c
+++ b/fs/gfs2/eattr.c
@@ -114,11 +114,11 @@ static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data)
__be64 *eablk, *end;
int error;
- error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &bh);
+ error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &bh);
if (error)
return error;
- if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT)) {
+ if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT)) {
error = ea_foreach_i(ip, bh, ea_call, data);
goto out;
}
@@ -414,7 +414,7 @@ int gfs2_ea_list(struct gfs2_inode *ip, struct gfs2_ea_request *er)
if (error)
return error;
- if (ip->i_di.di_eattr) {
+ if (ip->i_eattr) {
struct ea_list ei = { .ei_er = er, .ei_size = 0 };
error = ea_foreach(ip, ea_list_i, &ei);
@@ -514,7 +514,7 @@ int gfs2_ea_get_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
struct gfs2_ea_location el;
int error;
- if (!ip->i_di.di_eattr)
+ if (!ip->i_eattr)
return -ENODATA;
error = gfs2_ea_find(ip, er, &el);
@@ -741,7 +741,7 @@ static int ea_init_i(struct gfs2_inode *ip, struct gfs2_ea_request *er,
if (error)
return error;
- ip->i_di.di_eattr = bh->b_blocknr;
+ ip->i_eattr = bh->b_blocknr;
error = ea_write(ip, GFS2_EA_BH2FIRST(bh), er);
brelse(bh);
@@ -935,10 +935,10 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er,
int error;
int mh_size = sizeof(struct gfs2_meta_header);
- if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) {
+ if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) {
__be64 *end;
- error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT,
+ error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT,
&indbh);
if (error)
return error;
@@ -972,9 +972,9 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er,
gfs2_buffer_clear_tail(indbh, mh_size);
eablk = (__be64 *)(indbh->b_data + mh_size);
- *eablk = cpu_to_be64(ip->i_di.di_eattr);
- ip->i_di.di_eattr = blk;
- ip->i_di.di_flags |= GFS2_DIF_EA_INDIRECT;
+ *eablk = cpu_to_be64(ip->i_eattr);
+ ip->i_eattr = blk;
+ ip->i_diskflags |= GFS2_DIF_EA_INDIRECT;
gfs2_add_inode_blocks(&ip->i_inode, 1);
eablk++;
@@ -1015,7 +1015,7 @@ static int ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er,
if (error)
return error;
- if (!(ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT))
+ if (!(ip->i_diskflags & GFS2_DIF_EA_INDIRECT))
blks++;
if (GFS2_EAREQ_SIZE_STUFFED(er) > GFS2_SB(&ip->i_inode)->sd_jbsize)
blks += DIV_ROUND_UP(er->er_data_len, GFS2_SB(&ip->i_inode)->sd_jbsize);
@@ -1040,7 +1040,7 @@ int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
struct gfs2_ea_location el;
int error;
- if (!ip->i_di.di_eattr) {
+ if (!ip->i_eattr) {
if (er->er_flags & XATTR_REPLACE)
return -ENODATA;
return ea_init(ip, er);
@@ -1051,7 +1051,7 @@ int gfs2_ea_set_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
return error;
if (el.el_ea) {
- if (ip->i_di.di_flags & GFS2_DIF_APPENDONLY) {
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY) {
brelse(el.el_bh);
return -EPERM;
}
@@ -1145,7 +1145,7 @@ int gfs2_ea_remove_i(struct gfs2_inode *ip, struct gfs2_ea_request *er)
struct gfs2_ea_location el;
int error;
- if (!ip->i_di.di_eattr)
+ if (!ip->i_eattr)
return -ENODATA;
error = gfs2_ea_find(ip, er, &el);
@@ -1309,7 +1309,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip)
memset(&rlist, 0, sizeof(struct gfs2_rgrp_list));
- error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &indbh);
+ error = gfs2_meta_read(ip->i_gl, ip->i_eattr, DIO_WAIT, &indbh);
if (error)
return error;
@@ -1388,7 +1388,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip)
if (bstart)
gfs2_free_meta(ip, bstart, blen);
- ip->i_di.di_flags &= ~GFS2_DIF_EA_INDIRECT;
+ ip->i_diskflags &= ~GFS2_DIF_EA_INDIRECT;
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
@@ -1416,7 +1416,7 @@ static int ea_dealloc_block(struct gfs2_inode *ip)
struct buffer_head *dibh;
int error;
- rgd = gfs2_blk2rgrpd(sdp, ip->i_di.di_eattr);
+ rgd = gfs2_blk2rgrpd(sdp, ip->i_eattr);
if (!rgd) {
gfs2_consist_inode(ip);
return -EIO;
@@ -1432,9 +1432,9 @@ static int ea_dealloc_block(struct gfs2_inode *ip)
if (error)
goto out_gunlock;
- gfs2_free_meta(ip, ip->i_di.di_eattr, 1);
+ gfs2_free_meta(ip, ip->i_eattr, 1);
- ip->i_di.di_eattr = 0;
+ ip->i_eattr = 0;
gfs2_add_inode_blocks(&ip->i_inode, -1);
error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -1479,7 +1479,7 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip)
if (error)
goto out_rindex;
- if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) {
+ if (ip->i_diskflags & GFS2_DIF_EA_INDIRECT) {
error = ea_dealloc_indirect(ip);
if (error)
goto out_rindex;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index c962283..6b983ae 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -40,6 +40,7 @@
#include "quota.h"
#include "super.h"
#include "util.h"
+#include "bmap.h"
struct gfs2_gl_hash_bucket {
struct hlist_head hb_list;
@@ -61,9 +62,10 @@ static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int
static DECLARE_RWSEM(gfs2_umount_flush_sem);
static struct dentry *gfs2_root;
-static struct task_struct *scand_process;
-static unsigned int scand_secs = 5;
static struct workqueue_struct *glock_workqueue;
+static LIST_HEAD(lru_list);
+static atomic_t lru_count = ATOMIC_INIT(0);
+static DEFINE_SPINLOCK(lru_lock);
#define GFS2_GL_HASH_SHIFT 15
#define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT)
@@ -174,6 +176,22 @@ static void gfs2_glock_hold(struct gfs2_glock *gl)
}
/**
+ * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list
+ * @gl: the glock
+ *
+ */
+
+static void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl)
+{
+ spin_lock(&lru_lock);
+ if (list_empty(&gl->gl_lru) && gl->gl_state != LM_ST_UNLOCKED) {
+ list_add_tail(&gl->gl_lru, &lru_list);
+ atomic_inc(&lru_count);
+ }
+ spin_unlock(&lru_lock);
+}
+
+/**
* gfs2_glock_put() - Decrement reference count on glock
* @gl: The glock to put
*
@@ -187,14 +205,23 @@ int gfs2_glock_put(struct gfs2_glock *gl)
if (atomic_dec_and_test(&gl->gl_ref)) {
hlist_del(&gl->gl_list);
write_unlock(gl_lock_addr(gl->gl_hash));
+ spin_lock(&lru_lock);
+ if (!list_empty(&gl->gl_lru)) {
+ list_del_init(&gl->gl_lru);
+ atomic_dec(&lru_count);
+ }
+ spin_unlock(&lru_lock);
GLOCK_BUG_ON(gl, gl->gl_state != LM_ST_UNLOCKED);
- GLOCK_BUG_ON(gl, !list_empty(&gl->gl_reclaim));
+ GLOCK_BUG_ON(gl, !list_empty(&gl->gl_lru));
GLOCK_BUG_ON(gl, !list_empty(&gl->gl_holders));
glock_free(gl);
rv = 1;
goto out;
}
write_unlock(gl_lock_addr(gl->gl_hash));
+ /* 1 for being hashed, 1 for having state != LM_ST_UNLOCKED */
+ if (atomic_read(&gl->gl_ref) == 2)
+ gfs2_glock_schedule_for_reclaim(gl);
out:
return rv;
}
@@ -289,10 +316,13 @@ static void gfs2_holder_wake(struct gfs2_holder *gh)
* do_promote - promote as many requests as possible on the current queue
* @gl: The glock
*
- * Returns: true if there is a blocked holder at the head of the list
+ * Returns: 1 if there is a blocked holder at the head of the list, or 2
+ * if a type specific operation is underway.
*/
static int do_promote(struct gfs2_glock *gl)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_holder *gh, *tmp;
@@ -310,6 +340,8 @@ restart:
ret = glops->go_lock(gh);
spin_lock(&gl->gl_spin);
if (ret) {
+ if (ret == 1)
+ return 2;
gh->gh_error = ret;
list_del_init(&gh->gh_list);
gfs2_holder_wake(gh);
@@ -414,6 +446,7 @@ static void finish_xmote(struct gfs2_glock *gl, unsigned int ret)
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_holder *gh;
unsigned state = ret & LM_OUT_ST_MASK;
+ int rv;
spin_lock(&gl->gl_spin);
state_change(gl, state);
@@ -468,7 +501,6 @@ retry:
gfs2_demote_wake(gl);
if (state != LM_ST_UNLOCKED) {
if (glops->go_xmote_bh) {
- int rv;
spin_unlock(&gl->gl_spin);
rv = glops->go_xmote_bh(gl, gh);
if (rv == -EAGAIN)
@@ -479,10 +511,13 @@ retry:
goto out;
}
}
- do_promote(gl);
+ rv = do_promote(gl);
+ if (rv == 2)
+ goto out_locked;
}
out:
clear_bit(GLF_LOCK, &gl->gl_flags);
+out_locked:
spin_unlock(&gl->gl_spin);
gfs2_glock_put(gl);
}
@@ -511,6 +546,8 @@ static unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
*/
static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int target)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
const struct gfs2_glock_operations *glops = gl->gl_ops;
struct gfs2_sbd *sdp = gl->gl_sbd;
@@ -576,8 +613,11 @@ static inline struct gfs2_holder *find_first_holder(const struct gfs2_glock *gl)
*/
static void run_queue(struct gfs2_glock *gl, const int nonblock)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
struct gfs2_holder *gh = NULL;
+ int ret;
if (test_and_set_bit(GLF_LOCK, &gl->gl_flags))
return;
@@ -596,8 +636,11 @@ static void run_queue(struct gfs2_glock *gl, const int nonblock)
} else {
if (test_bit(GLF_DEMOTE, &gl->gl_flags))
gfs2_demote_wake(gl);
- if (do_promote(gl) == 0)
+ ret = do_promote(gl);
+ if (ret == 0)
goto out;
+ if (ret == 2)
+ return;
gh = find_first_waiter(gl);
gl->gl_target = gh->gh_state;
if (!(gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB)))
@@ -820,7 +863,7 @@ static void wait_on_demote(struct gfs2_glock *gl)
*/
static void handle_callback(struct gfs2_glock *gl, unsigned int state,
- int remote, unsigned long delay)
+ unsigned long delay)
{
int bit = delay ? GLF_PENDING_DEMOTE : GLF_DEMOTE;
@@ -828,9 +871,6 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state,
if (gl->gl_demote_state == LM_ST_EXCLUSIVE) {
gl->gl_demote_state = state;
gl->gl_demote_time = jiffies;
- if (remote && gl->gl_ops->go_type == LM_TYPE_IOPEN &&
- gl->gl_object)
- gfs2_glock_schedule_for_reclaim(gl);
} else if (gl->gl_demote_state != LM_ST_UNLOCKED &&
gl->gl_demote_state != state) {
gl->gl_demote_state = LM_ST_UNLOCKED;
@@ -877,6 +917,8 @@ void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...)
*/
static inline void add_to_queue(struct gfs2_holder *gh)
+__releases(&gl->gl_spin)
+__acquires(&gl->gl_spin)
{
struct gfs2_glock *gl = gh->gh_gl;
struct gfs2_sbd *sdp = gl->gl_sbd;
@@ -998,7 +1040,7 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
spin_lock(&gl->gl_spin);
if (gh->gh_flags & GL_NOCACHE)
- handle_callback(gl, LM_ST_UNLOCKED, 0, 0);
+ handle_callback(gl, LM_ST_UNLOCKED, 0);
list_del_init(&gh->gh_list);
if (find_first_holder(gl) == NULL) {
@@ -1269,12 +1311,26 @@ static void blocking_cb(struct gfs2_sbd *sdp, struct lm_lockname *name,
delay = gl->gl_ops->go_min_hold_time;
spin_lock(&gl->gl_spin);
- handle_callback(gl, state, 1, delay);
+ handle_callback(gl, state, delay);
spin_unlock(&gl->gl_spin);
if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
gfs2_glock_put(gl);
}
+static void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid)
+{
+ struct gfs2_jdesc *jd;
+
+ spin_lock(&sdp->sd_jindex_spin);
+ list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
+ if (jd->jd_jid != jid)
+ continue;
+ jd->jd_dirty = 1;
+ break;
+ }
+ spin_unlock(&sdp->sd_jindex_spin);
+}
+
/**
* gfs2_glock_cb - Callback used by locking module
* @sdp: Pointer to the superblock
@@ -1338,80 +1394,83 @@ void gfs2_glock_cb(void *cb_data, unsigned int type, void *data)
* Returns: 1 if it's ok
*/
-static int demote_ok(struct gfs2_glock *gl)
+static int demote_ok(const struct gfs2_glock *gl)
{
const struct gfs2_glock_operations *glops = gl->gl_ops;
- int demote = 1;
-
- if (test_bit(GLF_STICKY, &gl->gl_flags))
- demote = 0;
- else if (glops->go_demote_ok)
- demote = glops->go_demote_ok(gl);
-
- return demote;
-}
-
-/**
- * gfs2_glock_schedule_for_reclaim - Add a glock to the reclaim list
- * @gl: the glock
- *
- */
-
-void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl)
-{
- struct gfs2_sbd *sdp = gl->gl_sbd;
- spin_lock(&sdp->sd_reclaim_lock);
- if (list_empty(&gl->gl_reclaim)) {
- gfs2_glock_hold(gl);
- list_add(&gl->gl_reclaim, &sdp->sd_reclaim_list);
- atomic_inc(&sdp->sd_reclaim_count);
- spin_unlock(&sdp->sd_reclaim_lock);
- wake_up(&sdp->sd_reclaim_wq);
- } else
- spin_unlock(&sdp->sd_reclaim_lock);
+ if (gl->gl_state == LM_ST_UNLOCKED)
+ return 0;
+ if (!list_empty(&gl->gl_holders))
+ return 0;
+ if (glops->go_demote_ok)
+ return glops->go_demote_ok(gl);
+ return 1;
}
-/**
- * gfs2_reclaim_glock - process the next glock on the filesystem's reclaim list
- * @sdp: the filesystem
- *
- * Called from gfs2_glockd() glock reclaim daemon, or when promoting a
- * different glock and we notice that there are a lot of glocks in the
- * reclaim list.
- *
- */
-void gfs2_reclaim_glock(struct gfs2_sbd *sdp)
+static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask)
{
struct gfs2_glock *gl;
- int done_callback = 0;
+ int may_demote;
+ int nr_skipped = 0;
+ int got_ref = 0;
+ LIST_HEAD(skipped);
- spin_lock(&sdp->sd_reclaim_lock);
- if (list_empty(&sdp->sd_reclaim_list)) {
- spin_unlock(&sdp->sd_reclaim_lock);
- return;
- }
- gl = list_entry(sdp->sd_reclaim_list.next,
- struct gfs2_glock, gl_reclaim);
- list_del_init(&gl->gl_reclaim);
- spin_unlock(&sdp->sd_reclaim_lock);
+ if (nr == 0)
+ goto out;
- atomic_dec(&sdp->sd_reclaim_count);
- atomic_inc(&sdp->sd_reclaimed);
+ if (!(gfp_mask & __GFP_FS))
+ return -1;
- spin_lock(&gl->gl_spin);
- if (find_first_holder(gl) == NULL &&
- gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl)) {
- handle_callback(gl, LM_ST_UNLOCKED, 0, 0);
- done_callback = 1;
+ spin_lock(&lru_lock);
+ while(nr && !list_empty(&lru_list)) {
+ gl = list_entry(lru_list.next, struct gfs2_glock, gl_lru);
+ list_del_init(&gl->gl_lru);
+ atomic_dec(&lru_count);
+
+ /* Test for being demotable */
+ if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) {
+ gfs2_glock_hold(gl);
+ got_ref = 1;
+ spin_unlock(&lru_lock);
+ spin_lock(&gl->gl_spin);
+ may_demote = demote_ok(gl);
+ spin_unlock(&gl->gl_spin);
+ clear_bit(GLF_LOCK, &gl->gl_flags);
+ if (may_demote) {
+ handle_callback(gl, LM_ST_UNLOCKED, 0);
+ nr--;
+ if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
+ gfs2_glock_put(gl);
+ }
+ spin_lock(&lru_lock);
+ if (may_demote)
+ continue;
+ }
+ if (list_empty(&gl->gl_lru) &&
+ (atomic_read(&gl->gl_ref) <= (2 + got_ref))) {
+ nr_skipped++;
+ list_add(&gl->gl_lru, &skipped);
+ }
+ if (got_ref) {
+ spin_unlock(&lru_lock);
+ gfs2_glock_put(gl);
+ spin_lock(&lru_lock);
+ got_ref = 0;
+ }
}
- spin_unlock(&gl->gl_spin);
- if (!done_callback ||
- queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
- gfs2_glock_put(gl);
+ list_splice(&skipped, &lru_list);
+ atomic_add(nr_skipped, &lru_count);
+ spin_unlock(&lru_lock);
+out:
+ return (atomic_read(&lru_count) / 100) * sysctl_vfs_cache_pressure;
}
+static struct shrinker glock_shrinker = {
+ .shrink = gfs2_shrink_glock_memory,
+ .seeks = DEFAULT_SEEKS,
+};
+
/**
* examine_bucket - Call a function for glock in a hash bucket
* @examiner: the function
@@ -1457,26 +1516,6 @@ out:
}
/**
- * scan_glock - look at a glock and see if we can reclaim it
- * @gl: the glock to look at
- *
- */
-
-static void scan_glock(struct gfs2_glock *gl)
-{
- if (gl->gl_ops == &gfs2_inode_glops && gl->gl_object)
- return;
- if (test_bit(GLF_LOCK, &gl->gl_flags))
- return;
-
- spin_lock(&gl->gl_spin);
- if (find_first_holder(gl) == NULL &&
- gl->gl_state != LM_ST_UNLOCKED && demote_ok(gl))
- gfs2_glock_schedule_for_reclaim(gl);
- spin_unlock(&gl->gl_spin);
-}
-
-/**
* clear_glock - look at a glock and see if we can free it from glock cache
* @gl: the glock to look at
*
@@ -1484,23 +1523,16 @@ static void scan_glock(struct gfs2_glock *gl)
static void clear_glock(struct gfs2_glock *gl)
{
- struct gfs2_sbd *sdp = gl->gl_sbd;
- int released;
-
- spin_lock(&sdp->sd_reclaim_lock);
- if (!list_empty(&gl->gl_reclaim)) {
- list_del_init(&gl->gl_reclaim);
- atomic_dec(&sdp->sd_reclaim_count);
- spin_unlock(&sdp->sd_reclaim_lock);
- released = gfs2_glock_put(gl);
- gfs2_assert(sdp, !released);
- } else {
- spin_unlock(&sdp->sd_reclaim_lock);
+ spin_lock(&lru_lock);
+ if (!list_empty(&gl->gl_lru)) {
+ list_del_init(&gl->gl_lru);
+ atomic_dec(&lru_count);
}
+ spin_unlock(&lru_lock);
spin_lock(&gl->gl_spin);
if (find_first_holder(gl) == NULL && gl->gl_state != LM_ST_UNLOCKED)
- handle_callback(gl, LM_ST_UNLOCKED, 0, 0);
+ handle_callback(gl, LM_ST_UNLOCKED, 0);
spin_unlock(&gl->gl_spin);
gfs2_glock_hold(gl);
if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0)
@@ -1548,6 +1580,20 @@ void gfs2_gl_hash_clear(struct gfs2_sbd *sdp)
}
}
+void gfs2_glock_finish_truncate(struct gfs2_inode *ip)
+{
+ struct gfs2_glock *gl = ip->i_gl;
+ int ret;
+
+ ret = gfs2_truncatei_resume(ip);
+ gfs2_assert_withdraw(gl->gl_sbd, ret == 0);
+
+ spin_lock(&gl->gl_spin);
+ clear_bit(GLF_LOCK, &gl->gl_flags);
+ run_queue(gl, 1);
+ spin_unlock(&gl->gl_spin);
+}
+
static const char *state2str(unsigned state)
{
switch(state) {
@@ -1623,8 +1669,6 @@ static const char *gflags2str(char *buf, const unsigned long *gflags)
char *p = buf;
if (test_bit(GLF_LOCK, gflags))
*p++ = 'l';
- if (test_bit(GLF_STICKY, gflags))
- *p++ = 's';
if (test_bit(GLF_DEMOTE, gflags))
*p++ = 'D';
if (test_bit(GLF_PENDING_DEMOTE, gflags))
@@ -1743,34 +1787,6 @@ static int gfs2_dump_lockstate(struct gfs2_sbd *sdp)
return error;
}
-/**
- * gfs2_scand - Look for cached glocks and inodes to toss from memory
- * @sdp: Pointer to GFS2 superblock
- *
- * One of these daemons runs, finding candidates to add to sd_reclaim_list.
- * See gfs2_glockd()
- */
-
-static int gfs2_scand(void *data)
-{
- unsigned x;
- unsigned delay;
-
- while (!kthread_should_stop()) {
- for (x = 0; x < GFS2_GL_HASH_SIZE; x++)
- examine_bucket(scan_glock, NULL, x);
- if (freezing(current))
- refrigerator();
- delay = scand_secs;
- if (delay < 1)
- delay = 1;
- schedule_timeout_interruptible(delay * HZ);
- }
-
- return 0;
-}
-
-
int __init gfs2_glock_init(void)
{
@@ -1784,28 +1800,21 @@ int __init gfs2_glock_init(void)
}
#endif
- scand_process = kthread_run(gfs2_scand, NULL, "gfs2_scand");
- if (IS_ERR(scand_process))
- return PTR_ERR(scand_process);
-
glock_workqueue = create_workqueue("glock_workqueue");
- if (IS_ERR(glock_workqueue)) {
- kthread_stop(scand_process);
+ if (IS_ERR(glock_workqueue))
return PTR_ERR(glock_workqueue);
- }
+
+ register_shrinker(&glock_shrinker);
return 0;
}
void gfs2_glock_exit(void)
{
+ unregister_shrinker(&glock_shrinker);
destroy_workqueue(glock_workqueue);
- kthread_stop(scand_process);
}
-module_param(scand_secs, uint, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(scand_secs, "The number of seconds between scand runs");
-
static int gfs2_glock_iter_next(struct gfs2_glock_iter *gi)
{
struct gfs2_glock *gl;
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 695c6b1..543ec7e 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -129,9 +129,9 @@ int gfs2_lvb_hold(struct gfs2_glock *gl);
void gfs2_lvb_unhold(struct gfs2_glock *gl);
void gfs2_glock_cb(void *cb_data, unsigned int type, void *data);
-void gfs2_glock_schedule_for_reclaim(struct gfs2_glock *gl);
void gfs2_reclaim_glock(struct gfs2_sbd *sdp);
void gfs2_gl_hash_clear(struct gfs2_sbd *sdp);
+void gfs2_glock_finish_truncate(struct gfs2_inode *ip);
int __init gfs2_glock_init(void);
void gfs2_glock_exit(void);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index c6c318c..8522d3a 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -201,19 +201,12 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
* Returns: 1 if it's ok
*/
-static int inode_go_demote_ok(struct gfs2_glock *gl)
+static int inode_go_demote_ok(const struct gfs2_glock *gl)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
- int demote = 0;
-
- if (!gl->gl_object && !gl->gl_aspace->i_mapping->nrpages)
- demote = 1;
- else if (!sdp->sd_args.ar_localcaching &&
- time_after_eq(jiffies, gl->gl_stamp +
- gfs2_tune_get(sdp, gt_demote_secs) * HZ))
- demote = 1;
-
- return demote;
+ if (sdp->sd_jindex == gl->gl_object || sdp->sd_rindex == gl->gl_object)
+ return 0;
+ return 1;
}
/**
@@ -227,6 +220,7 @@ static int inode_go_demote_ok(struct gfs2_glock *gl)
static int inode_go_lock(struct gfs2_holder *gh)
{
struct gfs2_glock *gl = gh->gh_gl;
+ struct gfs2_sbd *sdp = gl->gl_sbd;
struct gfs2_inode *ip = gl->gl_object;
int error = 0;
@@ -239,10 +233,16 @@ static int inode_go_lock(struct gfs2_holder *gh)
return error;
}
- if ((ip->i_di.di_flags & GFS2_DIF_TRUNC_IN_PROG) &&
+ if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) &&
(gl->gl_state == LM_ST_EXCLUSIVE) &&
- (gh->gh_state == LM_ST_EXCLUSIVE))
- error = gfs2_truncatei_resume(ip);
+ (gh->gh_state == LM_ST_EXCLUSIVE)) {
+ spin_lock(&sdp->sd_trunc_lock);
+ if (list_empty(&ip->i_trunc_list))
+ list_add(&sdp->sd_trunc_list, &ip->i_trunc_list);
+ spin_unlock(&sdp->sd_trunc_lock);
+ wake_up(&sdp->sd_quota_wait);
+ return 1;
+ }
return error;
}
@@ -260,10 +260,13 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
const struct gfs2_inode *ip = gl->gl_object;
if (ip == NULL)
return 0;
- gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%08lx\n",
+ gfs2_print_dbg(seq, " I: n:%llu/%llu t:%u f:0x%02lx d:0x%08x s:%llu/%llu\n",
(unsigned long long)ip->i_no_formal_ino,
(unsigned long long)ip->i_no_addr,
- IF2DT(ip->i_inode.i_mode), ip->i_flags);
+ IF2DT(ip->i_inode.i_mode), ip->i_flags,
+ (unsigned int)ip->i_diskflags,
+ (unsigned long long)ip->i_inode.i_size,
+ (unsigned long long)ip->i_disksize);
return 0;
}
@@ -274,7 +277,7 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
* Returns: 1 if it's ok
*/
-static int rgrp_go_demote_ok(struct gfs2_glock *gl)
+static int rgrp_go_demote_ok(const struct gfs2_glock *gl)
{
return !gl->gl_aspace->i_mapping->nrpages;
}
@@ -318,7 +321,9 @@ static int rgrp_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
const struct gfs2_rgrpd *rgd = gl->gl_object;
if (rgd == NULL)
return 0;
- gfs2_print_dbg(seq, " R: n:%llu\n", (unsigned long long)rgd->rd_addr);
+ gfs2_print_dbg(seq, " R: n:%llu f:%02x b:%u/%u i:%u\n",
+ (unsigned long long)rgd->rd_addr, rgd->rd_flags,
+ rgd->rd_free, rgd->rd_free_clone, rgd->rd_dinodes);
return 0;
}
@@ -374,13 +379,25 @@ static int trans_go_xmote_bh(struct gfs2_glock *gl, struct gfs2_holder *gh)
}
/**
+ * trans_go_demote_ok
+ * @gl: the glock
+ *
+ * Always returns 0
+ */
+
+static int trans_go_demote_ok(const struct gfs2_glock *gl)
+{
+ return 0;
+}
+
+/**
* quota_go_demote_ok - Check to see if it's ok to unlock a quota glock
* @gl: the glock
*
* Returns: 1 if it's ok
*/
-static int quota_go_demote_ok(struct gfs2_glock *gl)
+static int quota_go_demote_ok(const struct gfs2_glock *gl)
{
return !atomic_read(&gl->gl_lvb_count);
}
@@ -414,6 +431,7 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = {
const struct gfs2_glock_operations gfs2_trans_glops = {
.go_xmote_th = trans_go_sync,
.go_xmote_bh = trans_go_xmote_bh,
+ .go_demote_ok = trans_go_demote_ok,
.go_type = LM_TYPE_NONDISK,
};
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index f566ec1..608849d 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -68,12 +68,6 @@ struct gfs2_bitmap {
u32 bi_len;
};
-struct gfs2_rgrp_host {
- u32 rg_free;
- u32 rg_dinodes;
- u64 rg_igeneration;
-};
-
struct gfs2_rgrpd {
struct list_head rd_list; /* Link with superblock */
struct list_head rd_list_mru;
@@ -83,14 +77,16 @@ struct gfs2_rgrpd {
u32 rd_length; /* length of rgrp header in fs blocks */
u32 rd_data; /* num of data blocks in rgrp */
u32 rd_bitbytes; /* number of bytes in data bitmaps */
- struct gfs2_rgrp_host rd_rg;
+ u32 rd_free;
+ u32 rd_free_clone;
+ u32 rd_dinodes;
+ u64 rd_igeneration;
struct gfs2_bitmap *rd_bits;
- unsigned int rd_bh_count;
struct mutex rd_mutex;
- u32 rd_free_clone;
struct gfs2_log_element rd_le;
- u32 rd_last_alloc;
struct gfs2_sbd *rd_sbd;
+ unsigned int rd_bh_count;
+ u32 rd_last_alloc;
unsigned char rd_flags;
#define GFS2_RDF_CHECK 0x01 /* Need to check for unlinked inodes */
#define GFS2_RDF_NOALLOC 0x02 /* rg prohibits allocation */
@@ -129,7 +125,7 @@ struct gfs2_glock_operations {
void (*go_xmote_th) (struct gfs2_glock *gl);
int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
void (*go_inval) (struct gfs2_glock *gl, int flags);
- int (*go_demote_ok) (struct gfs2_glock *gl);
+ int (*go_demote_ok) (const struct gfs2_glock *gl);
int (*go_lock) (struct gfs2_holder *gh);
void (*go_unlock) (struct gfs2_holder *gh);
int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl);
@@ -159,7 +155,6 @@ struct gfs2_holder {
enum {
GLF_LOCK = 1,
- GLF_STICKY = 2,
GLF_DEMOTE = 3,
GLF_PENDING_DEMOTE = 4,
GLF_DEMOTE_IN_PROGRESS = 5,
@@ -194,7 +189,7 @@ struct gfs2_glock {
unsigned long gl_tchange;
void *gl_object;
- struct list_head gl_reclaim;
+ struct list_head gl_lru;
struct gfs2_sbd *gl_sbd;
@@ -233,29 +228,24 @@ enum {
GIF_USER = 4, /* user inode, not metadata addr space */
};
-struct gfs2_dinode_host {
- u64 di_size; /* number of bytes in file */
- u64 di_generation; /* generation number for NFS */
- u32 di_flags; /* GFS2_DIF_... */
- /* These only apply to directories */
- u32 di_entries; /* The number of entries in the directory */
- u64 di_eattr; /* extended attribute block number */
-};
struct gfs2_inode {
struct inode i_inode;
u64 i_no_addr;
u64 i_no_formal_ino;
+ u64 i_generation;
+ u64 i_eattr;
+ loff_t i_disksize;
unsigned long i_flags; /* GIF_... */
-
- struct gfs2_dinode_host i_di; /* To be replaced by ref to block */
-
struct gfs2_glock *i_gl; /* Move into i_gh? */
struct gfs2_holder i_iopen_gh;
struct gfs2_holder i_gh; /* for prepare/commit_write only */
struct gfs2_alloc *i_alloc;
u64 i_goal; /* goal block for allocations */
struct rw_semaphore i_rw_mutex;
+ struct list_head i_trunc_list;
+ u32 i_entries;
+ u32 i_diskflags;
u8 i_height;
u8 i_depth;
};
@@ -406,13 +396,11 @@ struct gfs2_args {
struct gfs2_tune {
spinlock_t gt_spin;
- unsigned int gt_demote_secs; /* Cache retention for unheld glock */
unsigned int gt_incore_log_blocks;
unsigned int gt_log_flush_secs;
unsigned int gt_recoverd_secs;
unsigned int gt_logd_secs;
- unsigned int gt_quotad_secs;
unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */
unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */
@@ -488,10 +476,6 @@ struct gfs2_sbd {
/* Lock Stuff */
struct lm_lockstruct sd_lockstruct;
- struct list_head sd_reclaim_list;
- spinlock_t sd_reclaim_lock;
- wait_queue_head_t sd_reclaim_wq;
- atomic_t sd_reclaim_count;
struct gfs2_holder sd_live_gh;
struct gfs2_glock *sd_rename_gl;
struct gfs2_glock *sd_trans_gl;
@@ -519,7 +503,6 @@ struct gfs2_sbd {
spinlock_t sd_statfs_spin;
struct gfs2_statfs_change_host sd_statfs_master;
struct gfs2_statfs_change_host sd_statfs_local;
- unsigned long sd_statfs_sync_time;
/* Resource group stuff */
@@ -552,8 +535,6 @@ struct gfs2_sbd {
struct task_struct *sd_recoverd_process;
struct task_struct *sd_logd_process;
struct task_struct *sd_quotad_process;
- struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX];
- unsigned int sd_glockd_num;
/* Quota stuff */
@@ -561,13 +542,15 @@ struct gfs2_sbd {
atomic_t sd_quota_count;
spinlock_t sd_quota_spin;
struct mutex sd_quota_mutex;
+ wait_queue_head_t sd_quota_wait;
+ struct list_head sd_trunc_list;
+ spinlock_t sd_trunc_lock;
unsigned int sd_quota_slots;
unsigned int sd_quota_chunks;
unsigned char **sd_quota_bitmap;
u64 sd_quota_sync_gen;
- unsigned long sd_quota_sync_time;
/* Log stuff */
@@ -624,10 +607,6 @@ struct gfs2_sbd {
struct mutex sd_freeze_lock;
unsigned int sd_freeze_count;
- /* Counters */
-
- atomic_t sd_reclaimed;
-
char sd_fsname[GFS2_FSNAME_LEN];
char sd_table_name[GFS2_FSNAME_LEN];
char sd_proto_name[GFS2_FSNAME_LEN];
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index d576168..3b87c18 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -32,7 +32,6 @@
#include "log.h"
#include "meta_io.h"
#include "ops_address.h"
-#include "ops_inode.h"
#include "quota.h"
#include "rgrp.h"
#include "trans.h"
@@ -248,7 +247,6 @@ fail:
static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
{
- struct gfs2_dinode_host *di = &ip->i_di;
const struct gfs2_dinode *str = buf;
struct timespec atime;
u16 height, depth;
@@ -274,8 +272,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
* to do that.
*/
ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink);
- di->di_size = be64_to_cpu(str->di_size);
- i_size_write(&ip->i_inode, di->di_size);
+ ip->i_disksize = be64_to_cpu(str->di_size);
+ i_size_write(&ip->i_inode, ip->i_disksize);
gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
atime.tv_sec = be64_to_cpu(str->di_atime);
atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
@@ -287,9 +285,9 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec);
ip->i_goal = be64_to_cpu(str->di_goal_meta);
- di->di_generation = be64_to_cpu(str->di_generation);
+ ip->i_generation = be64_to_cpu(str->di_generation);
- di->di_flags = be32_to_cpu(str->di_flags);
+ ip->i_diskflags = be32_to_cpu(str->di_flags);
gfs2_set_inode_flags(&ip->i_inode);
height = be16_to_cpu(str->di_height);
if (unlikely(height > GFS2_MAX_META_HEIGHT))
@@ -300,9 +298,9 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
if (unlikely(depth > GFS2_DIR_MAX_DEPTH))
goto corrupt;
ip->i_depth = (u8)depth;
- di->di_entries = be32_to_cpu(str->di_entries);
+ ip->i_entries = be32_to_cpu(str->di_entries);
- di->di_eattr = be64_to_cpu(str->di_eattr);
+ ip->i_eattr = be64_to_cpu(str->di_eattr);
if (S_ISREG(ip->i_inode.i_mode))
gfs2_set_aops(&ip->i_inode);
@@ -388,7 +386,6 @@ int gfs2_dinode_dealloc(struct gfs2_inode *ip)
gfs2_free_di(rgd, ip);
gfs2_trans_end(sdp);
- clear_bit(GLF_STICKY, &ip->i_gl->gl_flags);
out_rg_gunlock:
gfs2_glock_dq_uninit(&al->al_rgd_gh);
@@ -690,7 +687,7 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name,
return error;
}
- if (dip->i_di.di_entries == (u32)-1)
+ if (dip->i_entries == (u32)-1)
return -EFBIG;
if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)
return -EMLINK;
@@ -790,11 +787,11 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,
di->di_flags = 0;
if (S_ISREG(mode)) {
- if ((dip->i_di.di_flags & GFS2_DIF_INHERIT_JDATA) ||
+ if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||
gfs2_tune_get(sdp, gt_new_files_jdata))
di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA);
} else if (S_ISDIR(mode)) {
- di->di_flags |= cpu_to_be32(dip->i_di.di_flags &
+ di->di_flags |= cpu_to_be32(dip->i_diskflags &
GFS2_DIF_INHERIT_JDATA);
}
@@ -1068,7 +1065,7 @@ int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,
struct qstr dotname;
int error;
- if (ip->i_di.di_entries != 2) {
+ if (ip->i_entries != 2) {
if (gfs2_consist_inode(ip))
gfs2_dinode_print(ip);
return -EIO;
@@ -1168,7 +1165,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len)
return error;
}
- if (!ip->i_di.di_size) {
+ if (!ip->i_disksize) {
gfs2_consist_inode(ip);
error = -EIO;
goto out;
@@ -1178,7 +1175,7 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len)
if (error)
goto out;
- x = ip->i_di.di_size + 1;
+ x = ip->i_disksize + 1;
if (x > *len) {
*buf = kmalloc(x, GFP_NOFS);
if (!*buf) {
@@ -1242,7 +1239,6 @@ int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr)
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
{
- const struct gfs2_dinode_host *di = &ip->i_di;
struct gfs2_dinode *str = buf;
str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC);
@@ -1256,7 +1252,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_uid = cpu_to_be32(ip->i_inode.i_uid);
str->di_gid = cpu_to_be32(ip->i_inode.i_gid);
str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink);
- str->di_size = cpu_to_be64(di->di_size);
+ str->di_size = cpu_to_be64(ip->i_disksize);
str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode));
str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec);
@@ -1264,17 +1260,17 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
str->di_goal_meta = cpu_to_be64(ip->i_goal);
str->di_goal_data = cpu_to_be64(ip->i_goal);
- str->di_generation = cpu_to_be64(di->di_generation);
+ str->di_generation = cpu_to_be64(ip->i_generation);
- str->di_flags = cpu_to_be32(di->di_flags);
+ str->di_flags = cpu_to_be32(ip->i_diskflags);
str->di_height = cpu_to_be16(ip->i_height);
str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) &&
- !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ?
+ !(ip->i_diskflags & GFS2_DIF_EXHASH) ?
GFS2_FORMAT_DE : 0);
str->di_depth = cpu_to_be16(ip->i_depth);
- str->di_entries = cpu_to_be32(di->di_entries);
+ str->di_entries = cpu_to_be32(ip->i_entries);
- str->di_eattr = cpu_to_be64(di->di_eattr);
+ str->di_eattr = cpu_to_be64(ip->i_eattr);
str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec);
str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec);
str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec);
@@ -1282,22 +1278,21 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
void gfs2_dinode_print(const struct gfs2_inode *ip)
{
- const struct gfs2_dinode_host *di = &ip->i_di;
-
printk(KERN_INFO " no_formal_ino = %llu\n",
(unsigned long long)ip->i_no_formal_ino);
printk(KERN_INFO " no_addr = %llu\n",
(unsigned long long)ip->i_no_addr);
- printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size);
+ printk(KERN_INFO " i_disksize = %llu\n",
+ (unsigned long long)ip->i_disksize);
printk(KERN_INFO " blocks = %llu\n",
(unsigned long long)gfs2_get_inode_blocks(&ip->i_inode));
printk(KERN_INFO " i_goal = %llu\n",
(unsigned long long)ip->i_goal);
- printk(KERN_INFO " di_flags = 0x%.8X\n", di->di_flags);
+ printk(KERN_INFO " i_diskflags = 0x%.8X\n", ip->i_diskflags);
printk(KERN_INFO " i_height = %u\n", ip->i_height);
printk(KERN_INFO " i_depth = %u\n", ip->i_depth);
- printk(KERN_INFO " di_entries = %u\n", di->di_entries);
- printk(KERN_INFO " di_eattr = %llu\n",
- (unsigned long long)di->di_eattr);
+ printk(KERN_INFO " i_entries = %u\n", ip->i_entries);
+ printk(KERN_INFO " i_eattr = %llu\n",
+ (unsigned long long)ip->i_eattr);
}
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index 2d43f69..d532936 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -10,6 +10,7 @@
#ifndef __INODE_DOT_H__
#define __INODE_DOT_H__
+#include <linux/fs.h>
#include "util.h"
static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
@@ -19,7 +20,7 @@ static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
{
- return ip->i_di.di_flags & GFS2_DIF_JDATA;
+ return ip->i_diskflags & GFS2_DIF_JDATA;
}
static inline int gfs2_is_writeback(const struct gfs2_inode *ip)
@@ -97,5 +98,15 @@ struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
void gfs2_dinode_print(const struct gfs2_inode *ip);
+extern const struct inode_operations gfs2_file_iops;
+extern const struct inode_operations gfs2_dir_iops;
+extern const struct inode_operations gfs2_symlink_iops;
+extern const struct file_operations gfs2_file_fops;
+extern const struct file_operations gfs2_dir_fops;
+extern const struct file_operations gfs2_file_fops_nolock;
+extern const struct file_operations gfs2_dir_fops_nolock;
+
+extern void gfs2_set_inode_flags(struct inode *inode);
+
#endif /* __INODE_DOT_H__ */
diff --git a/fs/gfs2/locking/dlm/mount.c b/fs/gfs2/locking/dlm/mount.c
index 0c4cbe6..1aa7eb6 100644
--- a/fs/gfs2/locking/dlm/mount.c
+++ b/fs/gfs2/locking/dlm/mount.c
@@ -194,17 +194,25 @@ out:
static void gdlm_recovery_done(void *lockspace, unsigned int jid,
unsigned int message)
{
+ char env_jid[20];
+ char env_status[20];
+ char *envp[] = { env_jid, env_status, NULL };
struct gdlm_ls *ls = lockspace;
ls->recover_jid_done = jid;
ls->recover_jid_status = message;
- kobject_uevent(&ls->kobj, KOBJ_CHANGE);
+ sprintf(env_jid, "JID=%d", jid);
+ sprintf(env_status, "RECOVERY=%s",
+ message == LM_RD_SUCCESS ? "Done" : "Failed");
+ kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp);
}
static void gdlm_others_may_mount(void *lockspace)
{
+ char *message = "FIRSTMOUNT=Done";
+ char *envp[] = { message, NULL };
struct gdlm_ls *ls = lockspace;
ls->first_done = 1;
- kobject_uevent(&ls->kobj, KOBJ_CHANGE);
+ kobject_uevent_env(&ls->kobj, KOBJ_CHANGE, envp);
}
/* Userspace gets the offline uevent, blocks new gfs locks on
diff --git a/fs/gfs2/locking/dlm/sysfs.c b/fs/gfs2/locking/dlm/sysfs.c
index 4ec571c..9b7edcf 100644
--- a/fs/gfs2/locking/dlm/sysfs.c
+++ b/fs/gfs2/locking/dlm/sysfs.c
@@ -195,9 +195,23 @@ void gdlm_kobject_release(struct gdlm_ls *ls)
kobject_put(&ls->kobj);
}
+static int gdlm_uevent(struct kset *kset, struct kobject *kobj,
+ struct kobj_uevent_env *env)
+{
+ struct gdlm_ls *ls = container_of(kobj, struct gdlm_ls, kobj);
+ add_uevent_var(env, "LOCKTABLE=%s:%s", ls->clustername, ls->fsname);
+ add_uevent_var(env, "LOCKPROTO=lock_dlm");
+ return 0;
+}
+
+static struct kset_uevent_ops gdlm_uevent_ops = {
+ .uevent = gdlm_uevent,
+};
+
+
int gdlm_sysfs_init(void)
{
- gdlm_kset = kset_create_and_add("lock_dlm", NULL, kernel_kobj);
+ gdlm_kset = kset_create_and_add("lock_dlm", &gdlm_uevent_ops, kernel_kobj);
if (!gdlm_kset) {
printk(KERN_WARNING "%s: can not create kset\n", __func__);
return -ENOMEM;
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index bb2cc30..7cacfde 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -19,7 +19,7 @@
#include "gfs2.h"
#include "incore.h"
-#include "ops_fstype.h"
+#include "super.h"
#include "sys.h"
#include "util.h"
#include "glock.h"
@@ -30,6 +30,7 @@ static void gfs2_init_inode_once(void *foo)
inode_init_once(&ip->i_inode);
init_rwsem(&ip->i_rw_mutex);
+ INIT_LIST_HEAD(&ip->i_trunc_list);
ip->i_alloc = NULL;
}
@@ -42,7 +43,7 @@ static void gfs2_init_glock_once(void *foo)
INIT_LIST_HEAD(&gl->gl_holders);
gl->gl_lvb = NULL;
atomic_set(&gl->gl_lvb_count, 0);
- INIT_LIST_HEAD(&gl->gl_reclaim);
+ INIT_LIST_HEAD(&gl->gl_lru);
INIT_LIST_HEAD(&gl->gl_ail_list);
atomic_set(&gl->gl_ail_count, 0);
}
@@ -93,6 +94,12 @@ static int __init init_gfs2_fs(void)
if (!gfs2_rgrpd_cachep)
goto fail;
+ gfs2_quotad_cachep = kmem_cache_create("gfs2_quotad",
+ sizeof(struct gfs2_quota_data),
+ 0, 0, NULL);
+ if (!gfs2_quotad_cachep)
+ goto fail;
+
error = register_filesystem(&gfs2_fs_type);
if (error)
goto fail;
@@ -112,6 +119,9 @@ fail_unregister:
fail:
gfs2_glock_exit();
+ if (gfs2_quotad_cachep)
+ kmem_cache_destroy(gfs2_quotad_cachep);
+
if (gfs2_rgrpd_cachep)
kmem_cache_destroy(gfs2_rgrpd_cachep);
@@ -140,6 +150,7 @@ static void __exit exit_gfs2_fs(void)
unregister_filesystem(&gfs2_fs_type);
unregister_filesystem(&gfs2meta_fs_type);
+ kmem_cache_destroy(gfs2_quotad_cachep);
kmem_cache_destroy(gfs2_rgrpd_cachep);
kmem_cache_destroy(gfs2_bufdata_cachep);
kmem_cache_destroy(gfs2_inode_cachep);
diff --git a/fs/gfs2/mount.c b/fs/gfs2/mount.c
index f96eb90..3cb0a44 100644
--- a/fs/gfs2/mount.c
+++ b/fs/gfs2/mount.c
@@ -32,7 +32,6 @@ enum {
Opt_debug,
Opt_nodebug,
Opt_upgrade,
- Opt_num_glockd,
Opt_acl,
Opt_noacl,
Opt_quota_off,
@@ -57,7 +56,6 @@ static const match_table_t tokens = {
{Opt_debug, "debug"},
{Opt_nodebug, "nodebug"},
{Opt_upgrade, "upgrade"},
- {Opt_num_glockd, "num_glockd=%d"},
{Opt_acl, "acl"},
{Opt_noacl, "noacl"},
{Opt_quota_off, "quota=off"},
@@ -87,16 +85,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount)
int error = 0;
if (!remount) {
- /* If someone preloaded options, use those instead */
- spin_lock(&gfs2_sys_margs_lock);
- if (gfs2_sys_margs) {
- data = gfs2_sys_margs;
- gfs2_sys_margs = NULL;
- }
- spin_unlock(&gfs2_sys_margs_lock);
-
/* Set some defaults */
- args->ar_num_glockd = GFS2_GLOCKD_DEFAULT;
args->ar_quota = GFS2_QUOTA_DEFAULT;
args->ar_data = GFS2_DATA_DEFAULT;
}
@@ -105,7 +94,7 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount)
process them */
for (options = data; (o = strsep(&options, ",")); ) {
- int token, option;
+ int token;
substring_t tmp[MAX_OPT_ARGS];
if (!*o)
@@ -196,22 +185,6 @@ int gfs2_mount_args(struct gfs2_sbd *sdp, char *data_arg, int remount)
goto cant_remount;
args->ar_upgrade = 1;
break;
- case Opt_num_glockd:
- if ((error = match_int(&tmp[0], &option))) {
- fs_info(sdp, "problem getting num_glockd\n");
- goto out_error;
- }
-
- if (remount && option != args->ar_num_glockd)
- goto cant_remount;
- if (!option || option > GFS2_GLOCKD_MAX) {
- fs_info(sdp, "0 < num_glockd <= %u (not %u)\n",
- GFS2_GLOCKD_MAX, option);
- error = -EINVAL;
- goto out_error;
- }
- args->ar_num_glockd = option;
- break;
case Opt_acl:
args->ar_posix_acl = 1;
sdp->sd_vfs->s_flags |= MS_POSIXACL;
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 15f710f..6e4ea36 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -210,25 +210,23 @@ static int gfs2_jdata_writepage(struct page *page, struct writeback_control *wbc
{
struct inode *inode = page->mapping->host;
struct gfs2_sbd *sdp = GFS2_SB(inode);
- int error;
+ int ret;
int done_trans = 0;
- error = gfs2_writepage_common(page, wbc);
- if (error <= 0)
- return error;
-
if (PageChecked(page)) {
if (wbc->sync_mode != WB_SYNC_ALL)
goto out_ignore;
- error = gfs2_trans_begin(sdp, RES_DINODE + 1, 0);
- if (error)
+ ret = gfs2_trans_begin(sdp, RES_DINODE + 1, 0);
+ if (ret)
goto out_ignore;
done_trans = 1;
}
- error = __gfs2_jdata_writepage(page, wbc);
+ ret = gfs2_writepage_common(page, wbc);
+ if (ret > 0)
+ ret = __gfs2_jdata_writepage(page, wbc);
if (done_trans)
gfs2_trans_end(sdp);
- return error;
+ return ret;
out_ignore:
redirty_page_for_writepage(wbc, page);
@@ -453,8 +451,8 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
kaddr = kmap_atomic(page, KM_USER0);
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode),
- ip->i_di.di_size);
- memset(kaddr + ip->i_di.di_size, 0, PAGE_CACHE_SIZE - ip->i_di.di_size);
+ ip->i_disksize);
+ memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize);
kunmap_atomic(kaddr, KM_USER0);
flush_dcache_page(page);
brelse(dibh);
@@ -627,7 +625,7 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
{
struct gfs2_inode *ip = GFS2_I(mapping->host);
struct gfs2_sbd *sdp = GFS2_SB(mapping->host);
- unsigned int data_blocks, ind_blocks, rblocks;
+ unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
int alloc_required;
int error = 0;
struct gfs2_alloc *al;
@@ -641,11 +639,13 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
if (unlikely(error))
goto out_uninit;
- gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
error = gfs2_write_alloc_required(ip, pos, len, &alloc_required);
if (error)
goto out_unlock;
+ if (alloc_required || gfs2_is_jdata(ip))
+ gfs2_write_calc_reserv(ip, len, &data_blocks, &ind_blocks);
+
if (alloc_required) {
al = gfs2_alloc_get(ip);
if (!al) {
@@ -782,7 +782,7 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
if (inode->i_size < to) {
i_size_write(inode, to);
- ip->i_di.di_size = inode->i_size;
+ ip->i_disksize = inode->i_size;
di->di_size = cpu_to_be64(inode->i_size);
mark_inode_dirty(inode);
}
@@ -847,9 +847,9 @@ static int gfs2_write_end(struct file *file, struct address_space *mapping,
ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata);
- if (likely(ret >= 0) && (inode->i_size > ip->i_di.di_size)) {
+ if (likely(ret >= 0) && (inode->i_size > ip->i_disksize)) {
di = (struct gfs2_dinode *)dibh->b_data;
- ip->i_di.di_size = inode->i_size;
+ ip->i_disksize = inode->i_size;
di->di_size = cpu_to_be64(inode->i_size);
mark_inode_dirty(inode);
}
diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c
index 4a5e676..c2ad363 100644
--- a/fs/gfs2/ops_dentry.c
+++ b/fs/gfs2/ops_dentry.c
@@ -19,7 +19,7 @@
#include "incore.h"
#include "dir.h"
#include "glock.h"
-#include "ops_dentry.h"
+#include "super.h"
#include "util.h"
#include "inode.h"
diff --git a/fs/gfs2/ops_dentry.h b/fs/gfs2/ops_dentry.h
deleted file mode 100644
index 5caa3db..0000000
--- a/fs/gfs2/ops_dentry.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_DENTRY_DOT_H__
-#define __OPS_DENTRY_DOT_H__
-
-#include <linux/dcache.h>
-
-extern struct dentry_operations gfs2_dops;
-
-#endif /* __OPS_DENTRY_DOT_H__ */
diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c
index bbb8c36..7fdeb14 100644
--- a/fs/gfs2/ops_export.c
+++ b/fs/gfs2/ops_export.c
@@ -22,8 +22,7 @@
#include "glock.h"
#include "glops.h"
#include "inode.h"
-#include "ops_dentry.h"
-#include "ops_fstype.h"
+#include "super.h"
#include "rgrp.h"
#include "util.h"
@@ -214,7 +213,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
}
error = -EIO;
- if (GFS2_I(inode)->i_di.di_flags & GFS2_DIF_SYSTEM) {
+ if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) {
iput(inode);
goto fail;
}
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 3a747f8..289c5f5 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -39,7 +39,6 @@
#include "util.h"
#include "eaops.h"
#include "ops_address.h"
-#include "ops_inode.h"
/**
* gfs2_llseek - seek to a location in a file
@@ -158,8 +157,8 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
if (error)
return error;
- fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_di.di_flags);
- if (!S_ISDIR(inode->i_mode) && ip->i_di.di_flags & GFS2_DIF_JDATA)
+ fsflags = fsflags_cvt(gfs2_to_fsflags, ip->i_diskflags);
+ if (!S_ISDIR(inode->i_mode) && ip->i_diskflags & GFS2_DIF_JDATA)
fsflags |= FS_JOURNAL_DATA_FL;
if (put_user(fsflags, ptr))
error = -EFAULT;
@@ -172,17 +171,16 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
void gfs2_set_inode_flags(struct inode *inode)
{
struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_dinode_host *di = &ip->i_di;
unsigned int flags = inode->i_flags;
flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
- if (di->di_flags & GFS2_DIF_IMMUTABLE)
+ if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
flags |= S_IMMUTABLE;
- if (di->di_flags & GFS2_DIF_APPENDONLY)
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
flags |= S_APPEND;
- if (di->di_flags & GFS2_DIF_NOATIME)
+ if (ip->i_diskflags & GFS2_DIF_NOATIME)
flags |= S_NOATIME;
- if (di->di_flags & GFS2_DIF_SYNC)
+ if (ip->i_diskflags & GFS2_DIF_SYNC)
flags |= S_SYNC;
inode->i_flags = flags;
}
@@ -221,7 +219,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
if (error)
goto out_drop_write;
- flags = ip->i_di.di_flags;
+ flags = ip->i_diskflags;
new_flags = (flags & ~mask) | (reqflags & mask);
if ((new_flags ^ flags) == 0)
goto out;
@@ -260,7 +258,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
if (error)
goto out_trans_end;
gfs2_trans_add_bh(ip->i_gl, bh, 1);
- ip->i_di.di_flags = new_flags;
+ ip->i_diskflags = new_flags;
gfs2_dinode_out(ip, bh->b_data);
brelse(bh);
gfs2_set_inode_flags(inode);
@@ -357,7 +355,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
goto out;
set_bit(GIF_SW_PAGED, &ip->i_flags);
- gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
ret = gfs2_write_alloc_required(ip, pos, PAGE_CACHE_SIZE, &alloc_required);
if (ret || !alloc_required)
goto out_unlock;
@@ -369,6 +366,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
ret = gfs2_quota_lock_check(ip);
if (ret)
goto out_alloc_put;
+ gfs2_write_calc_reserv(ip, PAGE_CACHE_SIZE, &data_blocks, &ind_blocks);
al->al_requested = data_blocks + ind_blocks;
ret = gfs2_inplace_reserve(ip);
if (ret)
@@ -479,7 +477,7 @@ static int gfs2_open(struct inode *inode, struct file *file)
goto fail;
if (!(file->f_flags & O_LARGEFILE) &&
- ip->i_di.di_size > MAX_NON_LFS) {
+ ip->i_disksize > MAX_NON_LFS) {
error = -EOVERFLOW;
goto fail_gunlock;
}
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index b117fcf..f91eebd 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -22,20 +22,18 @@
#include "gfs2.h"
#include "incore.h"
#include "bmap.h"
-#include "daemon.h"
#include "glock.h"
#include "glops.h"
#include "inode.h"
#include "mount.h"
-#include "ops_fstype.h"
-#include "ops_dentry.h"
-#include "ops_super.h"
#include "recovery.h"
#include "rgrp.h"
#include "super.h"
#include "sys.h"
#include "util.h"
#include "log.h"
+#include "quota.h"
+#include "dir.h"
#define DO 0
#define UNDO 1
@@ -58,12 +56,10 @@ static void gfs2_tune_init(struct gfs2_tune *gt)
{
spin_lock_init(&gt->gt_spin);
- gt->gt_demote_secs = 300;
gt->gt_incore_log_blocks = 1024;
gt->gt_log_flush_secs = 60;
gt->gt_recoverd_secs = 60;
gt->gt_logd_secs = 1;
- gt->gt_quotad_secs = 5;
gt->gt_quota_simul_sync = 64;
gt->gt_quota_warn_period = 10;
gt->gt_quota_scale_num = 1;
@@ -91,10 +87,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
gfs2_tune_init(&sdp->sd_tune);
- INIT_LIST_HEAD(&sdp->sd_reclaim_list);
- spin_lock_init(&sdp->sd_reclaim_lock);
- init_waitqueue_head(&sdp->sd_reclaim_wq);
-
mutex_init(&sdp->sd_inum_mutex);
spin_lock_init(&sdp->sd_statfs_spin);
@@ -110,6 +102,9 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
INIT_LIST_HEAD(&sdp->sd_quota_list);
spin_lock_init(&sdp->sd_quota_spin);
mutex_init(&sdp->sd_quota_mutex);
+ init_waitqueue_head(&sdp->sd_quota_wait);
+ INIT_LIST_HEAD(&sdp->sd_trunc_list);
+ spin_lock_init(&sdp->sd_trunc_lock);
spin_lock_init(&sdp->sd_log_lock);
@@ -443,24 +438,11 @@ out:
static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh,
int undo)
{
- struct task_struct *p;
int error = 0;
if (undo)
goto fail_trans;
- for (sdp->sd_glockd_num = 0;
- sdp->sd_glockd_num < sdp->sd_args.ar_num_glockd;
- sdp->sd_glockd_num++) {
- p = kthread_run(gfs2_glockd, sdp, "gfs2_glockd");
- error = IS_ERR(p);
- if (error) {
- fs_err(sdp, "can't start glockd thread: %d\n", error);
- goto fail;
- }
- sdp->sd_glockd_process[sdp->sd_glockd_num] = p;
- }
-
error = gfs2_glock_nq_num(sdp,
GFS2_MOUNT_LOCK, &gfs2_nondisk_glops,
LM_ST_EXCLUSIVE, LM_FLAG_NOEXP | GL_NOCACHE,
@@ -493,7 +475,6 @@ static int init_locking(struct gfs2_sbd *sdp, struct gfs2_holder *mount_gh,
fs_err(sdp, "can't create transaction glock: %d\n", error);
goto fail_rename;
}
- set_bit(GLF_STICKY, &sdp->sd_trans_gl->gl_flags);
return 0;
@@ -506,9 +487,6 @@ fail_live:
fail_mount:
gfs2_glock_dq_uninit(mount_gh);
fail:
- while (sdp->sd_glockd_num--)
- kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]);
-
return error;
}
@@ -620,7 +598,7 @@ static int map_journal_extents(struct gfs2_sbd *sdp)
prev_db = 0;
- for (lb = 0; lb < ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift; lb++) {
+ for (lb = 0; lb < ip->i_disksize >> sdp->sd_sb.sb_bsize_shift; lb++) {
bh.b_state = 0;
bh.b_blocknr = 0;
bh.b_size = 1 << ip->i_inode.i_blkbits;
@@ -661,6 +639,72 @@ static void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp)
sdp->sd_lockstruct.ls_lockspace);
}
+/**
+ * gfs2_jindex_hold - Grab a lock on the jindex
+ * @sdp: The GFS2 superblock
+ * @ji_gh: the holder for the jindex glock
+ *
+ * Returns: errno
+ */
+
+static int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh)
+{
+ struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex);
+ struct qstr name;
+ char buf[20];
+ struct gfs2_jdesc *jd;
+ int error;
+
+ name.name = buf;
+
+ mutex_lock(&sdp->sd_jindex_mutex);
+
+ for (;;) {
+ error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh);
+ if (error)
+ break;
+
+ name.len = sprintf(buf, "journal%u", sdp->sd_journals);
+ name.hash = gfs2_disk_hash(name.name, name.len);
+
+ error = gfs2_dir_check(sdp->sd_jindex, &name, NULL);
+ if (error == -ENOENT) {
+ error = 0;
+ break;
+ }
+
+ gfs2_glock_dq_uninit(ji_gh);
+
+ if (error)
+ break;
+
+ error = -ENOMEM;
+ jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL);
+ if (!jd)
+ break;
+
+ INIT_LIST_HEAD(&jd->extent_list);
+ jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1);
+ if (!jd->jd_inode || IS_ERR(jd->jd_inode)) {
+ if (!jd->jd_inode)
+ error = -ENOENT;
+ else
+ error = PTR_ERR(jd->jd_inode);
+ kfree(jd);
+ break;
+ }
+
+ spin_lock(&sdp->sd_jindex_spin);
+ jd->jd_jid = sdp->sd_journals++;
+ list_add_tail(&jd->jd_list, &sdp->sd_jindex_list);
+ spin_unlock(&sdp->sd_jindex_spin);
+ }
+
+ mutex_unlock(&sdp->sd_jindex_mutex);
+
+ return error;
+}
+
static int init_journal(struct gfs2_sbd *sdp, int undo)
{
struct inode *master = sdp->sd_master_dir->d_inode;
@@ -681,7 +725,6 @@ static int init_journal(struct gfs2_sbd *sdp, int undo)
return PTR_ERR(sdp->sd_jindex);
}
ip = GFS2_I(sdp->sd_jindex);
- set_bit(GLF_STICKY, &ip->i_gl->gl_flags);
/* Load in the journal index special file */
@@ -832,7 +875,6 @@ static int init_inodes(struct gfs2_sbd *sdp, int undo)
goto fail_statfs;
}
ip = GFS2_I(sdp->sd_rindex);
- set_bit(GLF_STICKY, &ip->i_gl->gl_flags);
sdp->sd_rindex_uptodate = 0;
/* Read in the quota inode */
@@ -973,9 +1015,6 @@ static int init_threads(struct gfs2_sbd *sdp, int undo)
}
sdp->sd_logd_process = p;
- sdp->sd_statfs_sync_time = jiffies;
- sdp->sd_quota_sync_time = jiffies;
-
p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");
error = IS_ERR(p);
if (error) {
@@ -1224,17 +1263,21 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags,
static void gfs2_kill_sb(struct super_block *sb)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
- if (sdp) {
- gfs2_meta_syncfs(sdp);
- dput(sdp->sd_root_dir);
- dput(sdp->sd_master_dir);
- sdp->sd_root_dir = NULL;
- sdp->sd_master_dir = NULL;
+
+ if (sdp == NULL) {
+ kill_block_super(sb);
+ return;
}
+
+ gfs2_meta_syncfs(sdp);
+ dput(sdp->sd_root_dir);
+ dput(sdp->sd_master_dir);
+ sdp->sd_root_dir = NULL;
+ sdp->sd_master_dir = NULL;
shrink_dcache_sb(sb);
kill_block_super(sb);
- if (sdp)
- gfs2_delete_debugfs_file(sdp);
+ gfs2_delete_debugfs_file(sdp);
+ kfree(sdp);
}
struct file_system_type gfs2_fs_type = {
diff --git a/fs/gfs2/ops_fstype.h b/fs/gfs2/ops_fstype.h
deleted file mode 100644
index da84905..0000000
--- a/fs/gfs2/ops_fstype.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_FSTYPE_DOT_H__
-#define __OPS_FSTYPE_DOT_H__
-
-#include <linux/fs.h>
-
-extern struct file_system_type gfs2_fs_type;
-extern struct file_system_type gfs2meta_fs_type;
-extern const struct export_operations gfs2_export_ops;
-
-#endif /* __OPS_FSTYPE_DOT_H__ */
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index d232991..4987754 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -19,6 +19,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/lm_interface.h>
+#include <linux/fiemap.h>
#include <asm/uaccess.h>
#include "gfs2.h"
@@ -31,12 +32,11 @@
#include "glock.h"
#include "inode.h"
#include "meta_io.h"
-#include "ops_dentry.h"
-#include "ops_inode.h"
#include "quota.h"
#include "rgrp.h"
#include "trans.h"
#include "util.h"
+#include "super.h"
/**
* gfs2_create - Create a file
@@ -185,7 +185,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
if (!dip->i_inode.i_nlink)
goto out_gunlock;
error = -EFBIG;
- if (dip->i_di.di_entries == (u32)-1)
+ if (dip->i_entries == (u32)-1)
goto out_gunlock;
error = -EPERM;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
@@ -371,7 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
ip = ghs[1].gh_gl->gl_object;
- ip->i_di.di_size = size;
+ ip->i_disksize = size;
error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -425,9 +425,9 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode)
ip = ghs[1].gh_gl->gl_object;
ip->i_inode.i_nlink = 2;
- ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
- ip->i_di.di_flags |= GFS2_DIF_JDATA;
- ip->i_di.di_entries = 2;
+ ip->i_disksize = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode);
+ ip->i_diskflags |= GFS2_DIF_JDATA;
+ ip->i_entries = 2;
error = gfs2_meta_inode_buffer(ip, &dibh);
@@ -517,13 +517,13 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry)
if (error)
goto out_gunlock;
- if (ip->i_di.di_entries < 2) {
+ if (ip->i_entries < 2) {
if (gfs2_consist_inode(ip))
gfs2_dinode_print(ip);
error = -EIO;
goto out_gunlock;
}
- if (ip->i_di.di_entries > 2) {
+ if (ip->i_entries > 2) {
error = -ENOTEMPTY;
goto out_gunlock;
}
@@ -726,13 +726,13 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
goto out_gunlock;
if (S_ISDIR(nip->i_inode.i_mode)) {
- if (nip->i_di.di_entries < 2) {
+ if (nip->i_entries < 2) {
if (gfs2_consist_inode(nip))
gfs2_dinode_print(nip);
error = -EIO;
goto out_gunlock;
}
- if (nip->i_di.di_entries > 2) {
+ if (nip->i_entries > 2) {
error = -ENOTEMPTY;
goto out_gunlock;
}
@@ -758,7 +758,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
error = -EINVAL;
goto out_gunlock;
}
- if (ndip->i_di.di_entries == (u32)-1) {
+ if (ndip->i_entries == (u32)-1) {
error = -EFBIG;
goto out_gunlock;
}
@@ -990,7 +990,7 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
struct gfs2_sbd *sdp = GFS2_SB(inode);
int error;
- if (attr->ia_size != ip->i_di.di_size) {
+ if (attr->ia_size != ip->i_disksize) {
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (error)
return error;
@@ -1001,8 +1001,8 @@ static int setattr_size(struct inode *inode, struct iattr *attr)
}
error = gfs2_truncatei(ip, attr->ia_size);
- if (error && (inode->i_size != ip->i_di.di_size))
- i_size_write(inode, ip->i_di.di_size);
+ if (error && (inode->i_size != ip->i_disksize))
+ i_size_write(inode, ip->i_disksize);
return error;
}
@@ -1212,6 +1212,48 @@ static int gfs2_removexattr(struct dentry *dentry, const char *name)
return gfs2_ea_remove(GFS2_I(dentry->d_inode), &er);
}
+static int gfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len)
+{
+ struct gfs2_inode *ip = GFS2_I(inode);
+ struct gfs2_holder gh;
+ int ret;
+
+ ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC);
+ if (ret)
+ return ret;
+
+ mutex_lock(&inode->i_mutex);
+
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ if (ret)
+ goto out;
+
+ if (gfs2_is_stuffed(ip)) {
+ u64 phys = ip->i_no_addr << inode->i_blkbits;
+ u64 size = i_size_read(inode);
+ u32 flags = FIEMAP_EXTENT_LAST|FIEMAP_EXTENT_NOT_ALIGNED|
+ FIEMAP_EXTENT_DATA_INLINE;
+ phys += sizeof(struct gfs2_dinode);
+ phys += start;
+ if (start + len > size)
+ len = size - start;
+ if (start < size)
+ ret = fiemap_fill_next_extent(fieinfo, start, phys,
+ len, flags);
+ if (ret == 1)
+ ret = 0;
+ } else {
+ ret = __generic_block_fiemap(inode, fieinfo, start, len,
+ gfs2_block_map);
+ }
+
+ gfs2_glock_dq_uninit(&gh);
+out:
+ mutex_unlock(&inode->i_mutex);
+ return ret;
+}
+
const struct inode_operations gfs2_file_iops = {
.permission = gfs2_permission,
.setattr = gfs2_setattr,
@@ -1220,6 +1262,7 @@ const struct inode_operations gfs2_file_iops = {
.getxattr = gfs2_getxattr,
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
+ .fiemap = gfs2_fiemap,
};
const struct inode_operations gfs2_dir_iops = {
@@ -1239,6 +1282,7 @@ const struct inode_operations gfs2_dir_iops = {
.getxattr = gfs2_getxattr,
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
+ .fiemap = gfs2_fiemap,
};
const struct inode_operations gfs2_symlink_iops = {
@@ -1251,5 +1295,6 @@ const struct inode_operations gfs2_symlink_iops = {
.getxattr = gfs2_getxattr,
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
+ .fiemap = gfs2_fiemap,
};
diff --git a/fs/gfs2/ops_inode.h b/fs/gfs2/ops_inode.h
deleted file mode 100644
index 14b4b79..0000000
--- a/fs/gfs2/ops_inode.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_INODE_DOT_H__
-#define __OPS_INODE_DOT_H__
-
-#include <linux/fs.h>
-
-extern const struct inode_operations gfs2_file_iops;
-extern const struct inode_operations gfs2_dir_iops;
-extern const struct inode_operations gfs2_symlink_iops;
-extern const struct file_operations gfs2_file_fops;
-extern const struct file_operations gfs2_dir_fops;
-extern const struct file_operations gfs2_file_fops_nolock;
-extern const struct file_operations gfs2_dir_fops_nolock;
-
-extern void gfs2_set_inode_flags(struct inode *inode);
-
-#endif /* __OPS_INODE_DOT_H__ */
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index d5355d9..777783d 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -28,7 +28,6 @@
#include "inode.h"
#include "log.h"
#include "mount.h"
-#include "ops_super.h"
#include "quota.h"
#include "recovery.h"
#include "rgrp.h"
@@ -143,8 +142,6 @@ static void gfs2_put_super(struct super_block *sb)
kthread_stop(sdp->sd_quotad_process);
kthread_stop(sdp->sd_logd_process);
kthread_stop(sdp->sd_recoverd_process);
- while (sdp->sd_glockd_num--)
- kthread_stop(sdp->sd_glockd_process[sdp->sd_glockd_num]);
if (!(sb->s_flags & MS_RDONLY)) {
error = gfs2_make_fs_ro(sdp);
@@ -185,7 +182,6 @@ static void gfs2_put_super(struct super_block *sb)
/* At this point, we're through participating in the lockspace */
gfs2_sys_fs_del(sdp);
- kfree(sdp);
}
/**
@@ -260,6 +256,137 @@ static void gfs2_unlockfs(struct super_block *sb)
}
/**
+ * statfs_fill - fill in the sg for a given RG
+ * @rgd: the RG
+ * @sc: the sc structure
+ *
+ * Returns: 0 on success, -ESTALE if the LVB is invalid
+ */
+
+static int statfs_slow_fill(struct gfs2_rgrpd *rgd,
+ struct gfs2_statfs_change_host *sc)
+{
+ gfs2_rgrp_verify(rgd);
+ sc->sc_total += rgd->rd_data;
+ sc->sc_free += rgd->rd_free;
+ sc->sc_dinodes += rgd->rd_dinodes;
+ return 0;
+}
+
+/**
+ * gfs2_statfs_slow - Stat a filesystem using asynchronous locking
+ * @sdp: the filesystem
+ * @sc: the sc info that will be returned
+ *
+ * Any error (other than a signal) will cause this routine to fall back
+ * to the synchronous version.
+ *
+ * FIXME: This really shouldn't busy wait like this.
+ *
+ * Returns: errno
+ */
+
+static int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
+{
+ struct gfs2_holder ri_gh;
+ struct gfs2_rgrpd *rgd_next;
+ struct gfs2_holder *gha, *gh;
+ unsigned int slots = 64;
+ unsigned int x;
+ int done;
+ int error = 0, err;
+
+ memset(sc, 0, sizeof(struct gfs2_statfs_change_host));
+ gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL);
+ if (!gha)
+ return -ENOMEM;
+
+ error = gfs2_rindex_hold(sdp, &ri_gh);
+ if (error)
+ goto out;
+
+ rgd_next = gfs2_rgrpd_get_first(sdp);
+
+ for (;;) {
+ done = 1;
+
+ for (x = 0; x < slots; x++) {
+ gh = gha + x;
+
+ if (gh->gh_gl && gfs2_glock_poll(gh)) {
+ err = gfs2_glock_wait(gh);
+ if (err) {
+ gfs2_holder_uninit(gh);
+ error = err;
+ } else {
+ if (!error)
+ error = statfs_slow_fill(
+ gh->gh_gl->gl_object, sc);
+ gfs2_glock_dq_uninit(gh);
+ }
+ }
+
+ if (gh->gh_gl)
+ done = 0;
+ else if (rgd_next && !error) {
+ error = gfs2_glock_nq_init(rgd_next->rd_gl,
+ LM_ST_SHARED,
+ GL_ASYNC,
+ gh);
+ rgd_next = gfs2_rgrpd_get_next(rgd_next);
+ done = 0;
+ }
+
+ if (signal_pending(current))
+ error = -ERESTARTSYS;
+ }
+
+ if (done)
+ break;
+
+ yield();
+ }
+
+ gfs2_glock_dq_uninit(&ri_gh);
+
+out:
+ kfree(gha);
+ return error;
+}
+
+/**
+ * gfs2_statfs_i - Do a statfs
+ * @sdp: the filesystem
+ * @sg: the sg structure
+ *
+ * Returns: errno
+ */
+
+static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
+{
+ struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
+ struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
+
+ spin_lock(&sdp->sd_statfs_spin);
+
+ *sc = *m_sc;
+ sc->sc_total += l_sc->sc_total;
+ sc->sc_free += l_sc->sc_free;
+ sc->sc_dinodes += l_sc->sc_dinodes;
+
+ spin_unlock(&sdp->sd_statfs_spin);
+
+ if (sc->sc_free < 0)
+ sc->sc_free = 0;
+ if (sc->sc_free > sc->sc_total)
+ sc->sc_free = sc->sc_total;
+ if (sc->sc_dinodes < 0)
+ sc->sc_dinodes = 0;
+
+ return 0;
+}
+
+/**
* gfs2_statfs - Gather and return stats about the filesystem
* @sb: The superblock
* @statfsbuf: The buffer
@@ -370,7 +497,6 @@ static void gfs2_clear_inode(struct inode *inode)
*/
if (test_bit(GIF_USER, &ip->i_flags)) {
ip->i_gl->gl_object = NULL;
- gfs2_glock_schedule_for_reclaim(ip->i_gl);
gfs2_glock_put(ip->i_gl);
ip->i_gl = NULL;
if (ip->i_iopen_gh.gh_gl) {
@@ -423,8 +549,6 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
seq_printf(s, ",debug");
if (args->ar_upgrade)
seq_printf(s, ",upgrade");
- if (args->ar_num_glockd != GFS2_GLOCKD_DEFAULT)
- seq_printf(s, ",num_glockd=%u", args->ar_num_glockd);
if (args->ar_posix_acl)
seq_printf(s, ",acl");
if (args->ar_quota != GFS2_QUOTA_DEFAULT) {
@@ -494,16 +618,16 @@ static void gfs2_delete_inode(struct inode *inode)
gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh);
error = gfs2_glock_nq(&ip->i_iopen_gh);
if (error)
- goto out_uninit;
+ goto out_truncate;
if (S_ISDIR(inode->i_mode) &&
- (ip->i_di.di_flags & GFS2_DIF_EXHASH)) {
+ (ip->i_diskflags & GFS2_DIF_EXHASH)) {
error = gfs2_dir_exhash_dealloc(ip);
if (error)
goto out_unlock;
}
- if (ip->i_di.di_eattr) {
+ if (ip->i_eattr) {
error = gfs2_ea_dealloc(ip);
if (error)
goto out_unlock;
@@ -519,6 +643,7 @@ static void gfs2_delete_inode(struct inode *inode)
if (error)
goto out_unlock;
+out_truncate:
error = gfs2_trans_begin(sdp, 0, sdp->sd_jdesc->jd_blocks);
if (error)
goto out_unlock;
@@ -527,8 +652,8 @@ static void gfs2_delete_inode(struct inode *inode)
gfs2_trans_end(sdp);
out_unlock:
- gfs2_glock_dq(&ip->i_iopen_gh);
-out_uninit:
+ if (test_bit(HIF_HOLDER, &ip->i_iopen_gh.gh_iflags))
+ gfs2_glock_dq(&ip->i_iopen_gh);
gfs2_holder_uninit(&ip->i_iopen_gh);
gfs2_glock_dq_uninit(&gh);
if (error && error != GLR_TRYFAILED)
diff --git a/fs/gfs2/ops_super.h b/fs/gfs2/ops_super.h
deleted file mode 100644
index 442a274..0000000
--- a/fs/gfs2/ops_super.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License version 2.
- */
-
-#ifndef __OPS_SUPER_DOT_H__
-#define __OPS_SUPER_DOT_H__
-
-#include <linux/fs.h>
-
-extern const struct super_operations gfs2_super_ops;
-
-#endif /* __OPS_SUPER_DOT_H__ */
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 3e073f5..b08d096 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -46,6 +46,8 @@
#include <linux/bio.h>
#include <linux/gfs2_ondisk.h>
#include <linux/lm_interface.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
#include "gfs2.h"
#include "incore.h"
@@ -94,7 +96,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id,
struct gfs2_quota_data *qd;
int error;
- qd = kzalloc(sizeof(struct gfs2_quota_data), GFP_NOFS);
+ qd = kmem_cache_zalloc(gfs2_quotad_cachep, GFP_NOFS);
if (!qd)
return -ENOMEM;
@@ -119,7 +121,7 @@ static int qd_alloc(struct gfs2_sbd *sdp, int user, u32 id,
return 0;
fail:
- kfree(qd);
+ kmem_cache_free(gfs2_quotad_cachep, qd);
return error;
}
@@ -158,7 +160,7 @@ static int qd_get(struct gfs2_sbd *sdp, int user, u32 id, int create,
if (qd || !create) {
if (new_qd) {
gfs2_lvb_unhold(new_qd->qd_gl);
- kfree(new_qd);
+ kmem_cache_free(gfs2_quotad_cachep, new_qd);
}
*qdp = qd;
return 0;
@@ -1013,7 +1015,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), change))
return;
- if (ip->i_di.di_flags & GFS2_DIF_SYSTEM)
+ if (ip->i_diskflags & GFS2_DIF_SYSTEM)
return;
for (x = 0; x < al->al_qd_num; x++) {
@@ -1100,15 +1102,15 @@ static void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *
int gfs2_quota_init(struct gfs2_sbd *sdp)
{
struct gfs2_inode *ip = GFS2_I(sdp->sd_qc_inode);
- unsigned int blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift;
+ unsigned int blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
unsigned int x, slot = 0;
unsigned int found = 0;
u64 dblock;
u32 extlen = 0;
int error;
- if (!ip->i_di.di_size || ip->i_di.di_size > (64 << 20) ||
- ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1)) {
+ if (!ip->i_disksize || ip->i_disksize > (64 << 20) ||
+ ip->i_disksize & (sdp->sd_sb.sb_bsize - 1)) {
gfs2_consist_inode(ip);
return -EIO;
}
@@ -1195,7 +1197,7 @@ fail:
return error;
}
-void gfs2_quota_scan(struct gfs2_sbd *sdp)
+static void gfs2_quota_scan(struct gfs2_sbd *sdp)
{
struct gfs2_quota_data *qd, *safe;
LIST_HEAD(dead);
@@ -1222,7 +1224,7 @@ void gfs2_quota_scan(struct gfs2_sbd *sdp)
gfs2_assert_warn(sdp, !qd->qd_bh_count);
gfs2_lvb_unhold(qd->qd_gl);
- kfree(qd);
+ kmem_cache_free(gfs2_quotad_cachep, qd);
}
}
@@ -1257,7 +1259,7 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp)
gfs2_assert_warn(sdp, !qd->qd_bh_count);
gfs2_lvb_unhold(qd->qd_gl);
- kfree(qd);
+ kmem_cache_free(gfs2_quotad_cachep, qd);
spin_lock(&sdp->sd_quota_spin);
}
@@ -1272,3 +1274,94 @@ void gfs2_quota_cleanup(struct gfs2_sbd *sdp)
}
}
+static void quotad_error(struct gfs2_sbd *sdp, const char *msg, int error)
+{
+ if (error == 0 || error == -EROFS)
+ return;
+ if (!test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
+ fs_err(sdp, "gfs2_quotad: %s error %d\n", msg, error);
+}
+
+static void quotad_check_timeo(struct gfs2_sbd *sdp, const char *msg,
+ int (*fxn)(struct gfs2_sbd *sdp),
+ unsigned long t, unsigned long *timeo,
+ unsigned int *new_timeo)
+{
+ if (t >= *timeo) {
+ int error = fxn(sdp);
+ quotad_error(sdp, msg, error);
+ *timeo = gfs2_tune_get_i(&sdp->sd_tune, new_timeo) * HZ;
+ } else {
+ *timeo -= t;
+ }
+}
+
+static void quotad_check_trunc_list(struct gfs2_sbd *sdp)
+{
+ struct gfs2_inode *ip;
+
+ while(1) {
+ ip = NULL;
+ spin_lock(&sdp->sd_trunc_lock);
+ if (!list_empty(&sdp->sd_trunc_list)) {
+ ip = list_entry(sdp->sd_trunc_list.next,
+ struct gfs2_inode, i_trunc_list);
+ list_del_init(&ip->i_trunc_list);
+ }
+ spin_unlock(&sdp->sd_trunc_lock);
+ if (ip == NULL)
+ return;
+ gfs2_glock_finish_truncate(ip);
+ }
+}
+
+/**
+ * gfs2_quotad - Write cached quota changes into the quota file
+ * @sdp: Pointer to GFS2 superblock
+ *
+ */
+
+int gfs2_quotad(void *data)
+{
+ struct gfs2_sbd *sdp = data;
+ struct gfs2_tune *tune = &sdp->sd_tune;
+ unsigned long statfs_timeo = 0;
+ unsigned long quotad_timeo = 0;
+ unsigned long t = 0;
+ DEFINE_WAIT(wait);
+ int empty;
+
+ while (!kthread_should_stop()) {
+
+ /* Update the master statfs file */
+ quotad_check_timeo(sdp, "statfs", gfs2_statfs_sync, t,
+ &statfs_timeo, &tune->gt_statfs_quantum);
+
+ /* Update quota file */
+ quotad_check_timeo(sdp, "sync", gfs2_quota_sync, t,
+ &quotad_timeo, &tune->gt_quota_quantum);
+
+ /* FIXME: This should be turned into a shrinker */
+ gfs2_quota_scan(sdp);
+
+ /* Check for & recover partially truncated inodes */
+ quotad_check_trunc_list(sdp);
+
+ if (freezing(current))
+ refrigerator();
+ t = min(quotad_timeo, statfs_timeo);
+
+ prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE);
+ spin_lock(&sdp->sd_trunc_lock);
+ empty = list_empty(&sdp->sd_trunc_list);
+ spin_unlock(&sdp->sd_trunc_lock);
+ if (empty)
+ t -= schedule_timeout(t);
+ else
+ t = 0;
+ finish_wait(&sdp->sd_quota_wait, &wait);
+ }
+
+ return 0;
+}
+
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 3b7f4b0..cec9032 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -15,22 +15,22 @@ struct gfs2_sbd;
#define NO_QUOTA_CHANGE ((u32)-1)
-int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
-void gfs2_quota_unhold(struct gfs2_inode *ip);
+extern int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unhold(struct gfs2_inode *ip);
-int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
-void gfs2_quota_unlock(struct gfs2_inode *ip);
+extern int gfs2_quota_lock(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_unlock(struct gfs2_inode *ip);
-int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
-void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
- u32 uid, u32 gid);
+extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
+extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
+ u32 uid, u32 gid);
-int gfs2_quota_sync(struct gfs2_sbd *sdp);
-int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
+extern int gfs2_quota_sync(struct gfs2_sbd *sdp);
+extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
-int gfs2_quota_init(struct gfs2_sbd *sdp);
-void gfs2_quota_scan(struct gfs2_sbd *sdp);
-void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+extern int gfs2_quota_init(struct gfs2_sbd *sdp);
+extern void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+extern int gfs2_quotad(void *data);
static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
{
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index d5e91f4..efd09c3 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -14,6 +14,8 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/lm_interface.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
#include "gfs2.h"
#include "incore.h"
@@ -583,13 +585,35 @@ fail:
return error;
}
+static struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp)
+{
+ struct gfs2_jdesc *jd;
+ int found = 0;
+
+ spin_lock(&sdp->sd_jindex_spin);
+
+ list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
+ if (jd->jd_dirty) {
+ jd->jd_dirty = 0;
+ found = 1;
+ break;
+ }
+ }
+ spin_unlock(&sdp->sd_jindex_spin);
+
+ if (!found)
+ jd = NULL;
+
+ return jd;
+}
+
/**
* gfs2_check_journals - Recover any dirty journals
* @sdp: the filesystem
*
*/
-void gfs2_check_journals(struct gfs2_sbd *sdp)
+static void gfs2_check_journals(struct gfs2_sbd *sdp)
{
struct gfs2_jdesc *jd;
@@ -603,3 +627,25 @@ void gfs2_check_journals(struct gfs2_sbd *sdp)
}
}
+/**
+ * gfs2_recoverd - Recover dead machine's journals
+ * @sdp: Pointer to GFS2 superblock
+ *
+ */
+
+int gfs2_recoverd(void *data)
+{
+ struct gfs2_sbd *sdp = data;
+ unsigned long t;
+
+ while (!kthread_should_stop()) {
+ gfs2_check_journals(sdp);
+ t = gfs2_tune_get(sdp, gt_recoverd_secs) * HZ;
+ if (freezing(current))
+ refrigerator();
+ schedule_timeout_interruptible(t);
+ }
+
+ return 0;
+}
+
diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h
index f7235e6..a8218ea 100644
--- a/fs/gfs2/recovery.h
+++ b/fs/gfs2/recovery.h
@@ -18,17 +18,17 @@ static inline void gfs2_replay_incr_blk(struct gfs2_sbd *sdp, unsigned int *blk)
*blk = 0;
}
-int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
+extern int gfs2_replay_read_block(struct gfs2_jdesc *jd, unsigned int blk,
struct buffer_head **bh);
-int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
-int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
-void gfs2_revoke_clean(struct gfs2_sbd *sdp);
+extern int gfs2_revoke_add(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
+extern int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where);
+extern void gfs2_revoke_clean(struct gfs2_sbd *sdp);
-int gfs2_find_jhead(struct gfs2_jdesc *jd,
+extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head);
-int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
-void gfs2_check_journals(struct gfs2_sbd *sdp);
+extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd);
+extern int gfs2_recoverd(void *data);
#endif /* __RECOVERY_DOT_H__ */
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 2d90fb2..8b01c63 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -269,16 +269,14 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd)
bi->bi_len, x);
}
- if (count[0] != rgd->rd_rg.rg_free) {
+ if (count[0] != rgd->rd_free) {
if (gfs2_consist_rgrpd(rgd))
fs_err(sdp, "free data mismatch: %u != %u\n",
- count[0], rgd->rd_rg.rg_free);
+ count[0], rgd->rd_free);
return;
}
- tmp = rgd->rd_data -
- rgd->rd_rg.rg_free -
- rgd->rd_rg.rg_dinodes;
+ tmp = rgd->rd_data - rgd->rd_free - rgd->rd_dinodes;
if (count[1] + count[2] != tmp) {
if (gfs2_consist_rgrpd(rgd))
fs_err(sdp, "used data mismatch: %u != %u\n",
@@ -286,10 +284,10 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd)
return;
}
- if (count[3] != rgd->rd_rg.rg_dinodes) {
+ if (count[3] != rgd->rd_dinodes) {
if (gfs2_consist_rgrpd(rgd))
fs_err(sdp, "used metadata mismatch: %u != %u\n",
- count[3], rgd->rd_rg.rg_dinodes);
+ count[3], rgd->rd_dinodes);
return;
}
@@ -501,7 +499,7 @@ u64 gfs2_ri_total(struct gfs2_sbd *sdp)
for (rgrps = 0;; rgrps++) {
loff_t pos = rgrps * sizeof(struct gfs2_rindex);
- if (pos + sizeof(struct gfs2_rindex) >= ip->i_di.di_size)
+ if (pos + sizeof(struct gfs2_rindex) >= ip->i_disksize)
break;
error = gfs2_internal_read(ip, &ra_state, buf, &pos,
sizeof(struct gfs2_rindex));
@@ -590,7 +588,7 @@ static int gfs2_ri_update(struct gfs2_inode *ip)
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct inode *inode = &ip->i_inode;
struct file_ra_state ra_state;
- u64 rgrp_count = ip->i_di.di_size;
+ u64 rgrp_count = ip->i_disksize;
int error;
if (do_div(rgrp_count, sizeof(struct gfs2_rindex))) {
@@ -634,7 +632,7 @@ static int gfs2_ri_update_special(struct gfs2_inode *ip)
for (sdp->sd_rgrps = 0;; sdp->sd_rgrps++) {
/* Ignore partials */
if ((sdp->sd_rgrps + 1) * sizeof(struct gfs2_rindex) >
- ip->i_di.di_size)
+ ip->i_disksize)
break;
error = read_rindex_entry(ip, &ra_state);
if (error) {
@@ -692,7 +690,6 @@ int gfs2_rindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ri_gh)
static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf)
{
const struct gfs2_rgrp *str = buf;
- struct gfs2_rgrp_host *rg = &rgd->rd_rg;
u32 rg_flags;
rg_flags = be32_to_cpu(str->rg_flags);
@@ -700,24 +697,23 @@ static void gfs2_rgrp_in(struct gfs2_rgrpd *rgd, const void *buf)
rgd->rd_flags |= GFS2_RDF_NOALLOC;
else
rgd->rd_flags &= ~GFS2_RDF_NOALLOC;
- rg->rg_free = be32_to_cpu(str->rg_free);
- rg->rg_dinodes = be32_to_cpu(str->rg_dinodes);
- rg->rg_igeneration = be64_to_cpu(str->rg_igeneration);
+ rgd->rd_free = be32_to_cpu(str->rg_free);
+ rgd->rd_dinodes = be32_to_cpu(str->rg_dinodes);
+ rgd->rd_igeneration = be64_to_cpu(str->rg_igeneration);
}
static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf)
{
struct gfs2_rgrp *str = buf;
- struct gfs2_rgrp_host *rg = &rgd->rd_rg;
u32 rg_flags = 0;
if (rgd->rd_flags & GFS2_RDF_NOALLOC)
rg_flags |= GFS2_RGF_NOALLOC;
str->rg_flags = cpu_to_be32(rg_flags);
- str->rg_free = cpu_to_be32(rg->rg_free);
- str->rg_dinodes = cpu_to_be32(rg->rg_dinodes);
+ str->rg_free = cpu_to_be32(rgd->rd_free);
+ str->rg_dinodes = cpu_to_be32(rgd->rd_dinodes);
str->__pad = cpu_to_be32(0);
- str->rg_igeneration = cpu_to_be64(rg->rg_igeneration);
+ str->rg_igeneration = cpu_to_be64(rgd->rd_igeneration);
memset(&str->rg_reserved, 0, sizeof(str->rg_reserved));
}
@@ -776,7 +772,7 @@ int gfs2_rgrp_bh_get(struct gfs2_rgrpd *rgd)
}
spin_lock(&sdp->sd_rindex_spin);
- rgd->rd_free_clone = rgd->rd_rg.rg_free;
+ rgd->rd_free_clone = rgd->rd_free;
rgd->rd_bh_count++;
spin_unlock(&sdp->sd_rindex_spin);
@@ -850,7 +846,7 @@ void gfs2_rgrp_repolish_clones(struct gfs2_rgrpd *rgd)
}
spin_lock(&sdp->sd_rindex_spin);
- rgd->rd_free_clone = rgd->rd_rg.rg_free;
+ rgd->rd_free_clone = rgd->rd_free;
spin_unlock(&sdp->sd_rindex_spin);
}
@@ -1403,8 +1399,8 @@ u64 gfs2_alloc_block(struct gfs2_inode *ip, unsigned int *n)
block = rgd->rd_data0 + blk;
ip->i_goal = block;
- gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free >= *n);
- rgd->rd_rg.rg_free -= *n;
+ gfs2_assert_withdraw(sdp, rgd->rd_free >= *n);
+ rgd->rd_free -= *n;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1445,10 +1441,10 @@ u64 gfs2_alloc_di(struct gfs2_inode *dip, u64 *generation)
block = rgd->rd_data0 + blk;
- gfs2_assert_withdraw(sdp, rgd->rd_rg.rg_free);
- rgd->rd_rg.rg_free--;
- rgd->rd_rg.rg_dinodes++;
- *generation = rgd->rd_rg.rg_igeneration++;
+ gfs2_assert_withdraw(sdp, rgd->rd_free);
+ rgd->rd_free--;
+ rgd->rd_dinodes++;
+ *generation = rgd->rd_igeneration++;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1481,7 +1477,7 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen)
if (!rgd)
return;
- rgd->rd_rg.rg_free += blen;
+ rgd->rd_free += blen;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1509,7 +1505,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen)
if (!rgd)
return;
- rgd->rd_rg.rg_free += blen;
+ rgd->rd_free += blen;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
@@ -1546,10 +1542,10 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno)
return;
gfs2_assert_withdraw(sdp, rgd == tmp_rgd);
- if (!rgd->rd_rg.rg_dinodes)
+ if (!rgd->rd_dinodes)
gfs2_consist_rgrpd(rgd);
- rgd->rd_rg.rg_dinodes--;
- rgd->rd_rg.rg_free++;
+ rgd->rd_dinodes--;
+ rgd->rd_free++;
gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index c3ba3d9..141b781 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -34,76 +34,6 @@
#include "util.h"
/**
- * gfs2_jindex_hold - Grab a lock on the jindex
- * @sdp: The GFS2 superblock
- * @ji_gh: the holder for the jindex glock
- *
- * This is very similar to the gfs2_rindex_hold() function, except that
- * in general we hold the jindex lock for longer periods of time and
- * we grab it far less frequently (in general) then the rgrp lock.
- *
- * Returns: errno
- */
-
-int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh)
-{
- struct gfs2_inode *dip = GFS2_I(sdp->sd_jindex);
- struct qstr name;
- char buf[20];
- struct gfs2_jdesc *jd;
- int error;
-
- name.name = buf;
-
- mutex_lock(&sdp->sd_jindex_mutex);
-
- for (;;) {
- error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, ji_gh);
- if (error)
- break;
-
- name.len = sprintf(buf, "journal%u", sdp->sd_journals);
- name.hash = gfs2_disk_hash(name.name, name.len);
-
- error = gfs2_dir_check(sdp->sd_jindex, &name, NULL);
- if (error == -ENOENT) {
- error = 0;
- break;
- }
-
- gfs2_glock_dq_uninit(ji_gh);
-
- if (error)
- break;
-
- error = -ENOMEM;
- jd = kzalloc(sizeof(struct gfs2_jdesc), GFP_KERNEL);
- if (!jd)
- break;
-
- INIT_LIST_HEAD(&jd->extent_list);
- jd->jd_inode = gfs2_lookupi(sdp->sd_jindex, &name, 1);
- if (!jd->jd_inode || IS_ERR(jd->jd_inode)) {
- if (!jd->jd_inode)
- error = -ENOENT;
- else
- error = PTR_ERR(jd->jd_inode);
- kfree(jd);
- break;
- }
-
- spin_lock(&sdp->sd_jindex_spin);
- jd->jd_jid = sdp->sd_journals++;
- list_add_tail(&jd->jd_list, &sdp->sd_jindex_list);
- spin_unlock(&sdp->sd_jindex_spin);
- }
-
- mutex_unlock(&sdp->sd_jindex_mutex);
-
- return error;
-}
-
-/**
* gfs2_jindex_free - Clear all the journal index information
* @sdp: The GFS2 superblock
*
@@ -166,39 +96,6 @@ struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid)
return jd;
}
-void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid)
-{
- struct gfs2_jdesc *jd;
-
- spin_lock(&sdp->sd_jindex_spin);
- jd = jdesc_find_i(&sdp->sd_jindex_list, jid);
- if (jd)
- jd->jd_dirty = 1;
- spin_unlock(&sdp->sd_jindex_spin);
-}
-
-struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp)
-{
- struct gfs2_jdesc *jd;
- int found = 0;
-
- spin_lock(&sdp->sd_jindex_spin);
-
- list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
- if (jd->jd_dirty) {
- jd->jd_dirty = 0;
- found = 1;
- break;
- }
- }
- spin_unlock(&sdp->sd_jindex_spin);
-
- if (!found)
- jd = NULL;
-
- return jd;
-}
-
int gfs2_jdesc_check(struct gfs2_jdesc *jd)
{
struct gfs2_inode *ip = GFS2_I(jd->jd_inode);
@@ -206,14 +103,14 @@ int gfs2_jdesc_check(struct gfs2_jdesc *jd)
int ar;
int error;
- if (ip->i_di.di_size < (8 << 20) || ip->i_di.di_size > (1 << 30) ||
- (ip->i_di.di_size & (sdp->sd_sb.sb_bsize - 1))) {
+ if (ip->i_disksize < (8 << 20) || ip->i_disksize > (1 << 30) ||
+ (ip->i_disksize & (sdp->sd_sb.sb_bsize - 1))) {
gfs2_consist_inode(ip);
return -EIO;
}
- jd->jd_blocks = ip->i_di.di_size >> sdp->sd_sb.sb_bsize_shift;
+ jd->jd_blocks = ip->i_disksize >> sdp->sd_sb.sb_bsize_shift;
- error = gfs2_write_alloc_required(ip, 0, ip->i_di.di_size, &ar);
+ error = gfs2_write_alloc_required(ip, 0, ip->i_disksize, &ar);
if (!error && ar) {
gfs2_consist_inode(ip);
error = -EIO;
@@ -423,137 +320,6 @@ out:
return error;
}
-/**
- * gfs2_statfs_i - Do a statfs
- * @sdp: the filesystem
- * @sg: the sg structure
- *
- * Returns: errno
- */
-
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
-{
- struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
- struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
-
- spin_lock(&sdp->sd_statfs_spin);
-
- *sc = *m_sc;
- sc->sc_total += l_sc->sc_total;
- sc->sc_free += l_sc->sc_free;
- sc->sc_dinodes += l_sc->sc_dinodes;
-
- spin_unlock(&sdp->sd_statfs_spin);
-
- if (sc->sc_free < 0)
- sc->sc_free = 0;
- if (sc->sc_free > sc->sc_total)
- sc->sc_free = sc->sc_total;
- if (sc->sc_dinodes < 0)
- sc->sc_dinodes = 0;
-
- return 0;
-}
-
-/**
- * statfs_fill - fill in the sg for a given RG
- * @rgd: the RG
- * @sc: the sc structure
- *
- * Returns: 0 on success, -ESTALE if the LVB is invalid
- */
-
-static int statfs_slow_fill(struct gfs2_rgrpd *rgd,
- struct gfs2_statfs_change_host *sc)
-{
- gfs2_rgrp_verify(rgd);
- sc->sc_total += rgd->rd_data;
- sc->sc_free += rgd->rd_rg.rg_free;
- sc->sc_dinodes += rgd->rd_rg.rg_dinodes;
- return 0;
-}
-
-/**
- * gfs2_statfs_slow - Stat a filesystem using asynchronous locking
- * @sdp: the filesystem
- * @sc: the sc info that will be returned
- *
- * Any error (other than a signal) will cause this routine to fall back
- * to the synchronous version.
- *
- * FIXME: This really shouldn't busy wait like this.
- *
- * Returns: errno
- */
-
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
-{
- struct gfs2_holder ri_gh;
- struct gfs2_rgrpd *rgd_next;
- struct gfs2_holder *gha, *gh;
- unsigned int slots = 64;
- unsigned int x;
- int done;
- int error = 0, err;
-
- memset(sc, 0, sizeof(struct gfs2_statfs_change_host));
- gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL);
- if (!gha)
- return -ENOMEM;
-
- error = gfs2_rindex_hold(sdp, &ri_gh);
- if (error)
- goto out;
-
- rgd_next = gfs2_rgrpd_get_first(sdp);
-
- for (;;) {
- done = 1;
-
- for (x = 0; x < slots; x++) {
- gh = gha + x;
-
- if (gh->gh_gl && gfs2_glock_poll(gh)) {
- err = gfs2_glock_wait(gh);
- if (err) {
- gfs2_holder_uninit(gh);
- error = err;
- } else {
- if (!error)
- error = statfs_slow_fill(
- gh->gh_gl->gl_object, sc);
- gfs2_glock_dq_uninit(gh);
- }
- }
-
- if (gh->gh_gl)
- done = 0;
- else if (rgd_next && !error) {
- error = gfs2_glock_nq_init(rgd_next->rd_gl,
- LM_ST_SHARED,
- GL_ASYNC,
- gh);
- rgd_next = gfs2_rgrpd_get_next(rgd_next);
- done = 0;
- }
-
- if (signal_pending(current))
- error = -ERESTARTSYS;
- }
-
- if (done)
- break;
-
- yield();
- }
-
- gfs2_glock_dq_uninit(&ri_gh);
-
-out:
- kfree(gha);
- return error;
-}
-
struct lfcc {
struct list_head list;
struct gfs2_holder gh;
@@ -580,10 +346,6 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp,
struct gfs2_log_header_host lh;
int error;
- error = gfs2_jindex_hold(sdp, &ji_gh);
- if (error)
- return error;
-
list_for_each_entry(jd, &sdp->sd_jindex_list, jd_list) {
lfcc = kmalloc(sizeof(struct lfcc), GFP_KERNEL);
if (!lfcc) {
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 50a4c9b..f6b8b00 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -10,6 +10,8 @@
#ifndef __SUPER_DOT_H__
#define __SUPER_DOT_H__
+#include <linux/fs.h>
+#include <linux/dcache.h>
#include "incore.h"
void gfs2_lm_unmount(struct gfs2_sbd *sdp);
@@ -23,12 +25,9 @@ static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
return x;
}
-int gfs2_jindex_hold(struct gfs2_sbd *sdp, struct gfs2_holder *ji_gh);
void gfs2_jindex_free(struct gfs2_sbd *sdp);
struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
-void gfs2_jdesc_make_dirty(struct gfs2_sbd *sdp, unsigned int jid);
-struct gfs2_jdesc *gfs2_jdesc_find_dirty(struct gfs2_sbd *sdp);
int gfs2_jdesc_check(struct gfs2_jdesc *jd);
int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
@@ -40,11 +39,15 @@ int gfs2_statfs_init(struct gfs2_sbd *sdp);
void gfs2_statfs_change(struct gfs2_sbd *sdp,
s64 total, s64 free, s64 dinodes);
int gfs2_statfs_sync(struct gfs2_sbd *sdp);
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
int gfs2_freeze_fs(struct gfs2_sbd *sdp);
void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);
+extern struct file_system_type gfs2_fs_type;
+extern struct file_system_type gfs2meta_fs_type;
+extern const struct export_operations gfs2_export_ops;
+extern const struct super_operations gfs2_super_ops;
+extern struct dentry_operations gfs2_dops;
+
#endif /* __SUPER_DOT_H__ */
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 7e1879f..26c1fa7 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -26,9 +26,6 @@
#include "quota.h"
#include "util.h"
-char *gfs2_sys_margs;
-spinlock_t gfs2_sys_margs_lock;
-
static ssize_t id_show(struct gfs2_sbd *sdp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%u:%u\n",
@@ -263,7 +260,6 @@ ARGS_ATTR(localcaching, "%d\n");
ARGS_ATTR(localflocks, "%d\n");
ARGS_ATTR(debug, "%d\n");
ARGS_ATTR(upgrade, "%d\n");
-ARGS_ATTR(num_glockd, "%u\n");
ARGS_ATTR(posix_acl, "%d\n");
ARGS_ATTR(quota, "%u\n");
ARGS_ATTR(suiddir, "%d\n");
@@ -279,7 +275,6 @@ static struct attribute *args_attrs[] = {
&args_attr_localflocks.attr,
&args_attr_debug.attr,
&args_attr_upgrade.attr,
- &args_attr_num_glockd.attr,
&args_attr_posix_acl.attr,
&args_attr_quota.attr,
&args_attr_suiddir.attr,
@@ -288,30 +283,6 @@ static struct attribute *args_attrs[] = {
};
/*
- * display counters from superblock
- */
-
-struct counters_attr {
- struct attribute attr;
- ssize_t (*show)(struct gfs2_sbd *, char *);
-};
-
-#define COUNTERS_ATTR(name, fmt) \
-static ssize_t name##_show(struct gfs2_sbd *sdp, char *buf) \
-{ \
- return snprintf(buf, PAGE_SIZE, fmt, \
- (unsigned int)atomic_read(&sdp->sd_##name)); \
-} \
-static struct counters_attr counters_attr_##name = __ATTR_RO(name)
-
-COUNTERS_ATTR(reclaimed, "%u\n");
-
-static struct attribute *counters_attrs[] = {
- &counters_attr_reclaimed.attr,
- NULL,
-};
-
-/*
* get and set struct gfs2_tune fields
*/
@@ -393,7 +364,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\
} \
TUNE_ATTR_2(name, name##_store)
-TUNE_ATTR(demote_secs, 0);
TUNE_ATTR(incore_log_blocks, 0);
TUNE_ATTR(log_flush_secs, 0);
TUNE_ATTR(quota_warn_period, 0);
@@ -408,11 +378,9 @@ TUNE_ATTR(stall_secs, 1);
TUNE_ATTR(statfs_quantum, 1);
TUNE_ATTR_DAEMON(recoverd_secs, recoverd_process);
TUNE_ATTR_DAEMON(logd_secs, logd_process);
-TUNE_ATTR_DAEMON(quotad_secs, quotad_process);
TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
static struct attribute *tune_attrs[] = {
- &tune_attr_demote_secs.attr,
&tune_attr_incore_log_blocks.attr,
&tune_attr_log_flush_secs.attr,
&tune_attr_quota_warn_period.attr,
@@ -426,7 +394,6 @@ static struct attribute *tune_attrs[] = {
&tune_attr_statfs_quantum.attr,
&tune_attr_recoverd_secs.attr,
&tune_attr_logd_secs.attr,
- &tune_attr_quotad_secs.attr,
&tune_attr_quota_scale.attr,
&tune_attr_new_files_jdata.attr,
NULL,
@@ -437,11 +404,6 @@ static struct attribute_group lockstruct_group = {
.attrs = lockstruct_attrs,
};
-static struct attribute_group counters_group = {
- .name = "counters",
- .attrs = counters_attrs,
-};
-
static struct attribute_group args_group = {
.name = "args",
.attrs = args_attrs,
@@ -466,13 +428,9 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
if (error)
goto fail_reg;
- error = sysfs_create_group(&sdp->sd_kobj, &counters_group);
- if (error)
- goto fail_lockstruct;
-
error = sysfs_create_group(&sdp->sd_kobj, &args_group);
if (error)
- goto fail_counters;
+ goto fail_lockstruct;
error = sysfs_create_group(&sdp->sd_kobj, &tune_group);
if (error)
@@ -483,8 +441,6 @@ int gfs2_sys_fs_add(struct gfs2_sbd *sdp)
fail_args:
sysfs_remove_group(&sdp->sd_kobj, &args_group);
-fail_counters:
- sysfs_remove_group(&sdp->sd_kobj, &counters_group);
fail_lockstruct:
sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
fail_reg:
@@ -498,16 +454,27 @@ void gfs2_sys_fs_del(struct gfs2_sbd *sdp)
{
sysfs_remove_group(&sdp->sd_kobj, &tune_group);
sysfs_remove_group(&sdp->sd_kobj, &args_group);
- sysfs_remove_group(&sdp->sd_kobj, &counters_group);
sysfs_remove_group(&sdp->sd_kobj, &lockstruct_group);
kobject_put(&sdp->sd_kobj);
}
+static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
+ struct kobj_uevent_env *env)
+{
+ struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
+ add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
+ add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
+ return 0;
+}
+
+static struct kset_uevent_ops gfs2_uevent_ops = {
+ .uevent = gfs2_uevent,
+};
+
+
int gfs2_sys_init(void)
{
- gfs2_sys_margs = NULL;
- spin_lock_init(&gfs2_sys_margs_lock);
- gfs2_kset = kset_create_and_add("gfs2", NULL, fs_kobj);
+ gfs2_kset = kset_create_and_add("gfs2", &gfs2_uevent_ops, fs_kobj);
if (!gfs2_kset)
return -ENOMEM;
return 0;
@@ -515,7 +482,6 @@ int gfs2_sys_init(void)
void gfs2_sys_uninit(void)
{
- kfree(gfs2_sys_margs);
kset_unregister(gfs2_kset);
}
diff --git a/fs/gfs2/sys.h b/fs/gfs2/sys.h
index 1ca8cda..e94560e 100644
--- a/fs/gfs2/sys.h
+++ b/fs/gfs2/sys.h
@@ -13,10 +13,6 @@
#include <linux/spinlock.h>
struct gfs2_sbd;
-/* Allow args to be passed to GFS2 when using an initial ram disk */
-extern char *gfs2_sys_margs;
-extern spinlock_t gfs2_sys_margs_lock;
-
int gfs2_sys_fs_add(struct gfs2_sbd *sdp);
void gfs2_sys_fs_del(struct gfs2_sbd *sdp);
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index d31e355..374f50e 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -25,6 +25,7 @@ struct kmem_cache *gfs2_glock_cachep __read_mostly;
struct kmem_cache *gfs2_inode_cachep __read_mostly;
struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
+struct kmem_cache *gfs2_quotad_cachep __read_mostly;
void gfs2_assert_i(struct gfs2_sbd *sdp)
{
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index 7f48576..33e96b0 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -148,6 +148,7 @@ extern struct kmem_cache *gfs2_glock_cachep;
extern struct kmem_cache *gfs2_inode_cachep;
extern struct kmem_cache *gfs2_bufdata_cachep;
extern struct kmem_cache *gfs2_rgrpd_cachep;
+extern struct kmem_cache *gfs2_quotad_cachep;
static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt,
unsigned int *p)
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 43e8b2c..cc3f1aa 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -231,7 +231,8 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
#define blk_to_logical(inode, blk) (blk << (inode)->i_blkbits)
#define logical_to_blk(inode, offset) (offset >> (inode)->i_blkbits);
-/*
+/**
+ * __generic_block_fiemap - FIEMAP for block based inodes (no locking)
* @inode - the inode to map
* @arg - the pointer to userspace where we copy everything to
* @get_block - the fs's get_block function
@@ -242,11 +243,15 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
*
* If it is possible to have data blocks beyond a hole past @inode->i_size, then
* please do not use this function, it will stop at the first unmapped block
- * beyond i_size
+ * beyond i_size.
+ *
+ * If you use this function directly, you need to do your own locking. Use
+ * generic_block_fiemap if you want the locking done for you.
*/
-int generic_block_fiemap(struct inode *inode,
- struct fiemap_extent_info *fieinfo, u64 start,
- u64 len, get_block_t *get_block)
+
+int __generic_block_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo, u64 start,
+ u64 len, get_block_t *get_block)
{
struct buffer_head tmp;
unsigned int start_blk;
@@ -260,9 +265,6 @@ int generic_block_fiemap(struct inode *inode,
start_blk = logical_to_blk(inode, start);
- /* guard against change */
- mutex_lock(&inode->i_mutex);
-
length = (long long)min_t(u64, len, i_size_read(inode));
map_len = length;
@@ -334,14 +336,36 @@ int generic_block_fiemap(struct inode *inode,
cond_resched();
} while (1);
- mutex_unlock(&inode->i_mutex);
-
/* if ret is 1 then we just hit the end of the extent array */
if (ret == 1)
ret = 0;
return ret;
}
+EXPORT_SYMBOL(__generic_block_fiemap);
+
+/**
+ * generic_block_fiemap - FIEMAP for block based inodes
+ * @inode: The inode to map
+ * @fieinfo: The mapping information
+ * @start: The initial block to map
+ * @len: The length of the extect to attempt to map
+ * @get_block: The block mapping function for the fs
+ *
+ * Calls __generic_block_fiemap to map the inode, after taking
+ * the inode's mutex lock.
+ */
+
+int generic_block_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo, u64 start,
+ u64 len, get_block_t *get_block)
+{
+ int ret;
+ mutex_lock(&inode->i_mutex);
+ ret = __generic_block_fiemap(inode, fieinfo, start, len, get_block);
+ mutex_unlock(&inode->i_mutex);
+ return ret;
+}
EXPORT_SYMBOL(generic_block_fiemap);
#endif /* CONFIG_BLOCK */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8b916ce..fb59673 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2059,6 +2059,9 @@ extern int vfs_fstat(unsigned int, struct kstat *);
extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
unsigned long arg);
+extern int __generic_block_fiemap(struct inode *inode,
+ struct fiemap_extent_info *fieinfo, u64 start,
+ u64 len, get_block_t *get_block);
extern int generic_block_fiemap(struct inode *inode,
struct fiemap_extent_info *fieinfo, u64 start,
u64 len, get_block_t *get_block);
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