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-rw-r--r--fs/gfs2/glock.c2
-rw-r--r--fs/gfs2/glock.h1
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/inode.c107
-rw-r--r--fs/gfs2/inode.h1
-rw-r--r--fs/gfs2/ops_address.c16
-rw-r--r--fs/gfs2/ops_file.c16
-rw-r--r--fs/gfs2/ops_fstype.c23
-rw-r--r--fs/gfs2/ops_super.c53
-rw-r--r--fs/gfs2/sys.c11
10 files changed, 65 insertions, 167 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 806e1eb..c962283 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1580,8 +1580,6 @@ static const char *hflags2str(char *buf, unsigned flags, unsigned long iflags)
*p++ = 'a';
if (flags & GL_EXACT)
*p++ = 'E';
- if (flags & GL_ATIME)
- *p++ = 'a';
if (flags & GL_NOCACHE)
*p++ = 'c';
if (test_bit(HIF_HOLDER, &iflags))
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 971d92a..695c6b1 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -24,7 +24,6 @@
#define GL_ASYNC 0x00000040
#define GL_EXACT 0x00000080
#define GL_SKIP 0x00000100
-#define GL_ATIME 0x00000200
#define GL_NOCACHE 0x00000400
#define GLR_TRYFAILED 13
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index b2c5784..f1ed3a1 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -420,7 +420,6 @@ struct gfs2_tune {
unsigned int gt_quota_scale_den; /* Denominator */
unsigned int gt_quota_cache_secs;
unsigned int gt_quota_quantum; /* Secs between syncs to quota file */
- unsigned int gt_atime_quantum; /* Min secs between atime updates */
unsigned int gt_new_files_jdata;
unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
unsigned int gt_stall_secs; /* Detects trouble! */
@@ -433,7 +432,6 @@ enum {
SDF_JOURNAL_CHECKED = 0,
SDF_JOURNAL_LIVE = 1,
SDF_SHUTDOWN = 2,
- SDF_NOATIME = 3,
};
#define GFS2_FSNAME_LEN 256
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index c8a959c..7cee695 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -18,6 +18,7 @@
#include <linux/crc32.h>
#include <linux/lm_interface.h>
#include <linux/security.h>
+#include <linux/time.h>
#include "gfs2.h"
#include "incore.h"
@@ -249,6 +250,7 @@ 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;
if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
@@ -275,8 +277,10 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
di->di_size = be64_to_cpu(str->di_size);
i_size_write(&ip->i_inode, di->di_size);
gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks));
- ip->i_inode.i_atime.tv_sec = be64_to_cpu(str->di_atime);
- ip->i_inode.i_atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
+ atime.tv_sec = be64_to_cpu(str->di_atime);
+ atime.tv_nsec = be32_to_cpu(str->di_atime_nsec);
+ if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0)
+ ip->i_inode.i_atime = atime;
ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime);
ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec);
ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime);
@@ -1157,8 +1161,8 @@ int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len)
unsigned int x;
int error;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &i_gh);
- error = gfs2_glock_nq_atime(&i_gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &i_gh);
+ error = gfs2_glock_nq(&i_gh);
if (error) {
gfs2_holder_uninit(&i_gh);
return error;
@@ -1193,101 +1197,6 @@ out:
return error;
}
-/**
- * gfs2_glock_nq_atime - Acquire a hold on an inode's glock, and
- * conditionally update the inode's atime
- * @gh: the holder to acquire
- *
- * Tests atime (access time) for gfs2_read, gfs2_readdir and gfs2_mmap
- * Update if the difference between the current time and the inode's current
- * atime is greater than an interval specified at mount.
- *
- * Returns: errno
- */
-
-int gfs2_glock_nq_atime(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;
- s64 quantum = gfs2_tune_get(sdp, gt_atime_quantum);
- unsigned int state;
- int flags;
- int error;
- struct timespec tv = CURRENT_TIME;
-
- if (gfs2_assert_warn(sdp, gh->gh_flags & GL_ATIME) ||
- gfs2_assert_warn(sdp, !(gh->gh_flags & GL_ASYNC)) ||
- gfs2_assert_warn(sdp, gl->gl_ops == &gfs2_inode_glops))
- return -EINVAL;
-
- state = gh->gh_state;
- flags = gh->gh_flags;
-
- error = gfs2_glock_nq(gh);
- if (error)
- return error;
-
- if (test_bit(SDF_NOATIME, &sdp->sd_flags) ||
- (sdp->sd_vfs->s_flags & MS_RDONLY))
- return 0;
-
- if (tv.tv_sec - ip->i_inode.i_atime.tv_sec >= quantum) {
- gfs2_glock_dq(gh);
- gfs2_holder_reinit(LM_ST_EXCLUSIVE, gh->gh_flags & ~LM_FLAG_ANY,
- gh);
- error = gfs2_glock_nq(gh);
- if (error)
- return error;
-
- /* Verify that atime hasn't been updated while we were
- trying to get exclusive lock. */
-
- tv = CURRENT_TIME;
- if (tv.tv_sec - ip->i_inode.i_atime.tv_sec >= quantum) {
- struct buffer_head *dibh;
- struct gfs2_dinode *di;
-
- error = gfs2_trans_begin(sdp, RES_DINODE, 0);
- if (error == -EROFS)
- return 0;
- if (error)
- goto fail;
-
- error = gfs2_meta_inode_buffer(ip, &dibh);
- if (error)
- goto fail_end_trans;
-
- ip->i_inode.i_atime = tv;
-
- gfs2_trans_add_bh(ip->i_gl, dibh, 1);
- di = (struct gfs2_dinode *)dibh->b_data;
- di->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec);
- di->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec);
- brelse(dibh);
-
- gfs2_trans_end(sdp);
- }
-
- /* If someone else has asked for the glock,
- unlock and let them have it. Then reacquire
- in the original state. */
- if (gfs2_glock_is_blocking(gl)) {
- gfs2_glock_dq(gh);
- gfs2_holder_reinit(state, flags, gh);
- return gfs2_glock_nq(gh);
- }
- }
-
- return 0;
-
-fail_end_trans:
- gfs2_trans_end(sdp);
-fail:
- gfs2_glock_dq(gh);
- return error;
-}
-
static int
__gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr)
{
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index bfd2afc..2d43f69 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -92,7 +92,6 @@ int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
const struct gfs2_inode *ip);
int gfs2_permission(struct inode *inode, int mask);
int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
-int gfs2_glock_nq_atime(struct gfs2_holder *gh);
int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index ae7126a..2756381 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -512,8 +512,8 @@ static int gfs2_readpage(struct file *file, struct page *page)
int error;
unlock_page(page);
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh);
- error = gfs2_glock_nq_atime(&gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ error = gfs2_glock_nq(&gh);
if (unlikely(error))
goto out;
error = AOP_TRUNCATED_PAGE;
@@ -594,8 +594,8 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping,
struct gfs2_holder gh;
int ret;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh);
- ret = gfs2_glock_nq_atime(&gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ ret = gfs2_glock_nq(&gh);
if (unlikely(ret))
goto out_uninit;
if (!gfs2_is_stuffed(ip))
@@ -636,8 +636,8 @@ static int gfs2_write_begin(struct file *file, struct address_space *mapping,
unsigned to = from + len;
struct page *page;
- gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME, &ip->i_gh);
- error = gfs2_glock_nq_atime(&ip->i_gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &ip->i_gh);
+ error = gfs2_glock_nq(&ip->i_gh);
if (unlikely(error))
goto out_uninit;
@@ -1000,8 +1000,8 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb,
* unfortunately have the option of only flushing a range like
* the VFS does.
*/
- gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, GL_ATIME, &gh);
- rv = gfs2_glock_nq_atime(&gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, 0, &gh);
+ rv = gfs2_glock_nq(&gh);
if (rv)
return rv;
rv = gfs2_ok_for_dio(ip, rw, offset);
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index e9a366d..3a747f8 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -89,8 +89,8 @@ static int gfs2_readdir(struct file *file, void *dirent, filldir_t filldir)
u64 offset = file->f_pos;
int error;
- gfs2_holder_init(dip->i_gl, LM_ST_SHARED, GL_ATIME, &d_gh);
- error = gfs2_glock_nq_atime(&d_gh);
+ gfs2_holder_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);
+ error = gfs2_glock_nq(&d_gh);
if (error) {
gfs2_holder_uninit(&d_gh);
return error;
@@ -153,8 +153,8 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
int error;
u32 fsflags;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh);
- error = gfs2_glock_nq_atime(&gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ error = gfs2_glock_nq(&gh);
if (error)
return error;
@@ -351,8 +351,8 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
struct gfs2_alloc *al;
int ret;
- gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME, &gh);
- ret = gfs2_glock_nq_atime(&gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ ret = gfs2_glock_nq(&gh);
if (ret)
goto out;
@@ -434,8 +434,8 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma)
struct gfs2_holder i_gh;
int error;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &i_gh);
- error = gfs2_glock_nq_atime(&i_gh);
+ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &i_gh);
+ error = gfs2_glock_nq(&i_gh);
if (error) {
gfs2_holder_uninit(&i_gh);
return error;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index ae35f09..b117fcf 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -70,7 +70,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt)
gt->gt_quota_scale_den = 1;
gt->gt_quota_cache_secs = 300;
gt->gt_quota_quantum = 60;
- gt->gt_atime_quantum = 3600;
gt->gt_new_files_jdata = 0;
gt->gt_max_readahead = 1 << 18;
gt->gt_stall_secs = 600;
@@ -135,22 +134,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
return sdp;
}
-static void init_vfs(struct super_block *sb, unsigned noatime)
-{
- struct gfs2_sbd *sdp = sb->s_fs_info;
-
- sb->s_magic = GFS2_MAGIC;
- sb->s_op = &gfs2_super_ops;
- sb->s_export_op = &gfs2_export_ops;
- sb->s_time_gran = 1;
- sb->s_maxbytes = MAX_LFS_FILESIZE;
-
- if (sb->s_flags & (MS_NOATIME | MS_NODIRATIME))
- set_bit(noatime, &sdp->sd_flags);
-
- /* Don't let the VFS update atimes. GFS2 handles this itself. */
- sb->s_flags |= MS_NOATIME | MS_NODIRATIME;
-}
/**
* gfs2_check_sb - Check superblock
@@ -1100,7 +1083,11 @@ static int fill_super(struct super_block *sb, void *data, int silent)
goto fail;
}
- init_vfs(sb, SDF_NOATIME);
+ sb->s_magic = GFS2_MAGIC;
+ sb->s_op = &gfs2_super_ops;
+ sb->s_export_op = &gfs2_export_ops;
+ sb->s_time_gran = 1;
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
/* Set up the buffer cache and fill in some fake block size values
to allow us to read-in the on-disk superblock. */
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index 8f332d2..d5355d9 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -20,6 +20,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/lm_interface.h>
+#include <linux/time.h>
#include "gfs2.h"
#include "incore.h"
@@ -38,6 +39,7 @@
#include "dir.h"
#include "eattr.h"
#include "bmap.h"
+#include "meta_io.h"
/**
* gfs2_write_inode - Make sure the inode is stable on the disk
@@ -50,16 +52,41 @@
static int gfs2_write_inode(struct inode *inode, int sync)
{
struct gfs2_inode *ip = GFS2_I(inode);
-
- /* Check this is a "normal" inode */
- if (test_bit(GIF_USER, &ip->i_flags)) {
- if (current->flags & PF_MEMALLOC)
- return 0;
- if (sync)
- gfs2_log_flush(GFS2_SB(inode), ip->i_gl);
+ struct gfs2_sbd *sdp = GFS2_SB(inode);
+ struct gfs2_holder gh;
+ struct buffer_head *bh;
+ struct timespec atime;
+ struct gfs2_dinode *di;
+ int ret = 0;
+
+ /* Check this is a "normal" inode, etc */
+ if (!test_bit(GIF_USER, &ip->i_flags) ||
+ (current->flags & PF_MEMALLOC))
+ return 0;
+ ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
+ if (ret)
+ goto do_flush;
+ ret = gfs2_trans_begin(sdp, RES_DINODE, 0);
+ if (ret)
+ goto do_unlock;
+ ret = gfs2_meta_inode_buffer(ip, &bh);
+ if (ret == 0) {
+ di = (struct gfs2_dinode *)bh->b_data;
+ atime.tv_sec = be64_to_cpu(di->di_atime);
+ atime.tv_nsec = be32_to_cpu(di->di_atime_nsec);
+ if (timespec_compare(&inode->i_atime, &atime) > 0) {
+ gfs2_trans_add_bh(ip->i_gl, bh, 1);
+ gfs2_dinode_out(ip, bh->b_data);
+ }
+ brelse(bh);
}
-
- return 0;
+ gfs2_trans_end(sdp);
+do_unlock:
+ gfs2_glock_dq_uninit(&gh);
+do_flush:
+ if (sync != 0)
+ gfs2_log_flush(GFS2_SB(inode), ip->i_gl);
+ return ret;
}
/**
@@ -297,14 +324,6 @@ static int gfs2_remount_fs(struct super_block *sb, int *flags, char *data)
}
}
- if (*flags & (MS_NOATIME | MS_NODIRATIME))
- set_bit(SDF_NOATIME, &sdp->sd_flags);
- else
- clear_bit(SDF_NOATIME, &sdp->sd_flags);
-
- /* Don't let the VFS update atimes. GFS2 handles this itself. */
- *flags |= MS_NOATIME | MS_NODIRATIME;
-
return error;
}
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 7484655..7e1879f 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -269,14 +269,6 @@ ARGS_ATTR(quota, "%u\n");
ARGS_ATTR(suiddir, "%d\n");
ARGS_ATTR(data, "%d\n");
-/* one oddball doesn't fit the macro mold */
-static ssize_t noatime_show(struct gfs2_sbd *sdp, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n",
- !!test_bit(SDF_NOATIME, &sdp->sd_flags));
-}
-static struct args_attr args_attr_noatime = __ATTR_RO(noatime);
-
static struct attribute *args_attrs[] = {
&args_attr_lockproto.attr,
&args_attr_locktable.attr,
@@ -292,7 +284,6 @@ static struct attribute *args_attrs[] = {
&args_attr_quota.attr,
&args_attr_suiddir.attr,
&args_attr_data.attr,
- &args_attr_noatime.attr,
NULL,
};
@@ -407,7 +398,6 @@ TUNE_ATTR(incore_log_blocks, 0);
TUNE_ATTR(log_flush_secs, 0);
TUNE_ATTR(quota_warn_period, 0);
TUNE_ATTR(quota_quantum, 0);
-TUNE_ATTR(atime_quantum, 0);
TUNE_ATTR(max_readahead, 0);
TUNE_ATTR(complain_secs, 0);
TUNE_ATTR(statfs_slow, 0);
@@ -427,7 +417,6 @@ static struct attribute *tune_attrs[] = {
&tune_attr_log_flush_secs.attr,
&tune_attr_quota_warn_period.attr,
&tune_attr_quota_quantum.attr,
- &tune_attr_atime_quantum.attr,
&tune_attr_max_readahead.attr,
&tune_attr_complain_secs.attr,
&tune_attr_statfs_slow.attr,
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