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-rw-r--r--fs/9p/vfs_inode.c4
-rw-r--r--fs/block_dev.c9
-rw-r--r--fs/btrfs/extent-tree.c10
-rw-r--r--fs/btrfs/file.c18
-rw-r--r--fs/btrfs/free-space-cache.c10
-rw-r--r--fs/btrfs/transaction.c1
-rw-r--r--fs/btrfs/transaction.h2
-rw-r--r--fs/btrfs/volumes.c3
-rw-r--r--fs/cifs/inode.c6
-rw-r--r--fs/compat_ioctl.c253
-rw-r--r--fs/direct-io.c1
-rw-r--r--fs/exofs/inode.c5
-rw-r--r--fs/ext4/crypto.c2
-rw-r--r--fs/ext4/ext4.h51
-rw-r--r--fs/ext4/symlink.c2
-rw-r--r--fs/ext4/sysfs.c2
-rw-r--r--fs/fuse/cuse.c2
-rw-r--r--fs/fuse/file.c2
-rw-r--r--fs/internal.h7
-rw-r--r--fs/ioctl.c4
-rw-r--r--fs/jbd2/transaction.c12
-rw-r--r--fs/nfs/callback_xdr.c7
-rw-r--r--fs/nfs/inode.c6
-rw-r--r--fs/nfs/internal.h2
-rw-r--r--fs/nfs/objlayout/objio_osd.c5
-rw-r--r--fs/nfs/pagelist.c2
-rw-r--r--fs/nfs/pnfs.c4
-rw-r--r--fs/nfsd/nfs4layouts.c2
-rw-r--r--fs/ocfs2/dlm/dlmmaster.c2
-rw-r--r--fs/ocfs2/locks.c5
-rw-r--r--fs/ocfs2/namei.c4
-rw-r--r--fs/ocfs2/resize.c15
-rw-r--r--fs/proc/base.c1
33 files changed, 278 insertions, 183 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index f928f87..c7cc7c3 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -451,9 +451,9 @@ void v9fs_evict_inode(struct inode *inode)
{
struct v9fs_inode *v9inode = V9FS_I(inode);
- truncate_inode_pages_final(inode->i_mapping);
+ truncate_inode_pages_final(&inode->i_data);
clear_inode(inode);
- filemap_fdatawrite(inode->i_mapping);
+ filemap_fdatawrite(&inode->i_data);
v9fs_cache_inode_put_cookie(inode);
/* clunk the fid stashed in writeback_fid */
diff --git a/fs/block_dev.c b/fs/block_dev.c
index c25639e..44d4a1e 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1523,11 +1523,14 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
WARN_ON_ONCE(bdev->bd_holders);
sync_blockdev(bdev);
kill_bdev(bdev);
+
+ bdev_write_inode(bdev);
/*
- * ->release can cause the queue to disappear, so flush all
- * dirty data before.
+ * Detaching bdev inode from its wb in __destroy_inode()
+ * is too late: the queue which embeds its bdi (along with
+ * root wb) can be gone as soon as we put_disk() below.
*/
- bdev_write_inode(bdev);
+ inode_detach_wb(bdev->bd_inode);
}
if (bdev->bd_contains == bdev) {
if (disk->fops->release)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4b89680a..c4661db 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -10480,11 +10480,15 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
* until transaction commit to do the actual discard.
*/
if (trimming) {
- WARN_ON(!list_empty(&block_group->bg_list));
- spin_lock(&trans->transaction->deleted_bgs_lock);
+ spin_lock(&fs_info->unused_bgs_lock);
+ /*
+ * A concurrent scrub might have added us to the list
+ * fs_info->unused_bgs, so use a list_move operation
+ * to add the block group to the deleted_bgs list.
+ */
list_move(&block_group->bg_list,
&trans->transaction->deleted_bgs);
- spin_unlock(&trans->transaction->deleted_bgs_lock);
+ spin_unlock(&fs_info->unused_bgs_lock);
btrfs_get_block_group(block_group);
}
end_trans:
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 72e7346..0f09526 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1291,7 +1291,8 @@ out:
* on error we return an unlocked page and the error value
* on success we return a locked page and 0
*/
-static int prepare_uptodate_page(struct page *page, u64 pos,
+static int prepare_uptodate_page(struct inode *inode,
+ struct page *page, u64 pos,
bool force_uptodate)
{
int ret = 0;
@@ -1306,6 +1307,10 @@ static int prepare_uptodate_page(struct page *page, u64 pos,
unlock_page(page);
return -EIO;
}
+ if (page->mapping != inode->i_mapping) {
+ unlock_page(page);
+ return -EAGAIN;
+ }
}
return 0;
}
@@ -1324,6 +1329,7 @@ static noinline int prepare_pages(struct inode *inode, struct page **pages,
int faili;
for (i = 0; i < num_pages; i++) {
+again:
pages[i] = find_or_create_page(inode->i_mapping, index + i,
mask | __GFP_WRITE);
if (!pages[i]) {
@@ -1333,13 +1339,17 @@ static noinline int prepare_pages(struct inode *inode, struct page **pages,
}
if (i == 0)
- err = prepare_uptodate_page(pages[i], pos,
+ err = prepare_uptodate_page(inode, pages[i], pos,
force_uptodate);
- if (i == num_pages - 1)
- err = prepare_uptodate_page(pages[i],
+ if (!err && i == num_pages - 1)
+ err = prepare_uptodate_page(inode, pages[i],
pos + write_bytes, false);
if (err) {
page_cache_release(pages[i]);
+ if (err == -EAGAIN) {
+ err = 0;
+ goto again;
+ }
faili = i - 1;
goto fail;
}
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 85a1f86..cfe99be 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -891,7 +891,7 @@ out:
spin_unlock(&block_group->lock);
ret = 0;
- btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuild it now",
+ btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuilding it now",
block_group->key.objectid);
}
@@ -2972,7 +2972,7 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
u64 cont1_bytes, u64 min_bytes)
{
struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
- struct btrfs_free_space *entry;
+ struct btrfs_free_space *entry = NULL;
int ret = -ENOSPC;
u64 bitmap_offset = offset_to_bitmap(ctl, offset);
@@ -2983,8 +2983,10 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
* The bitmap that covers offset won't be in the list unless offset
* is just its start offset.
*/
- entry = list_first_entry(bitmaps, struct btrfs_free_space, list);
- if (entry->offset != bitmap_offset) {
+ if (!list_empty(bitmaps))
+ entry = list_first_entry(bitmaps, struct btrfs_free_space, list);
+
+ if (!entry || entry->offset != bitmap_offset) {
entry = tree_search_offset(ctl, bitmap_offset, 1, 0);
if (entry && list_empty(&entry->list))
list_add(&entry->list, bitmaps);
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 3367a3c..be8eae8 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -274,7 +274,6 @@ loop:
cur_trans->num_dirty_bgs = 0;
spin_lock_init(&cur_trans->dirty_bgs_lock);
INIT_LIST_HEAD(&cur_trans->deleted_bgs);
- spin_lock_init(&cur_trans->deleted_bgs_lock);
spin_lock_init(&cur_trans->dropped_roots_lock);
list_add_tail(&cur_trans->list, &fs_info->trans_list);
extent_io_tree_init(&cur_trans->dirty_pages,
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 0da21ca..64c8221 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -77,8 +77,8 @@ struct btrfs_transaction {
*/
struct mutex cache_write_mutex;
spinlock_t dirty_bgs_lock;
+ /* Protected by spin lock fs_info->unused_bgs_lock. */
struct list_head deleted_bgs;
- spinlock_t deleted_bgs_lock;
spinlock_t dropped_roots_lock;
struct btrfs_delayed_ref_root delayed_refs;
int aborted;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 4564522..a23399e 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3548,12 +3548,11 @@ again:
ret = btrfs_force_chunk_alloc(trans, chunk_root,
BTRFS_BLOCK_GROUP_DATA);
+ btrfs_end_transaction(trans, chunk_root);
if (ret < 0) {
mutex_unlock(&fs_info->delete_unused_bgs_mutex);
goto error;
}
-
- btrfs_end_transaction(trans, chunk_root);
chunk_reserved = 1;
}
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 6b66dd5..a329f5b 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1831,11 +1831,11 @@ cifs_invalidate_mapping(struct inode *inode)
* @word: long word containing the bit lock
*/
static int
-cifs_wait_bit_killable(struct wait_bit_key *key)
+cifs_wait_bit_killable(struct wait_bit_key *key, int mode)
{
- if (fatal_signal_pending(current))
- return -ERESTARTSYS;
freezable_schedule_unsafe();
+ if (signal_pending_state(mode, current))
+ return -ERESTARTSYS;
return 0;
}
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index dcf2653..9144b77 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -58,6 +58,8 @@
#include <linux/atalk.h>
#include <linux/gfp.h>
+#include "internal.h"
+
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_sock.h>
#include <net/bluetooth/rfcomm.h>
@@ -115,19 +117,38 @@
#include <asm/fbio.h>
#endif
-static int w_long(unsigned int fd, unsigned int cmd,
- compat_ulong_t __user *argp)
+#define convert_in_user(srcptr, dstptr) \
+({ \
+ typeof(*srcptr) val; \
+ \
+ get_user(val, srcptr) || put_user(val, dstptr); \
+})
+
+static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int err;
+
+ err = security_file_ioctl(file, cmd, arg);
+ if (err)
+ return err;
+
+ return vfs_ioctl(file, cmd, arg);
+}
+
+static int w_long(struct file *file,
+ unsigned int cmd, compat_ulong_t __user *argp)
{
- mm_segment_t old_fs = get_fs();
int err;
- unsigned long val;
+ unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
- set_fs (KERNEL_DS);
- err = sys_ioctl(fd, cmd, (unsigned long)&val);
- set_fs (old_fs);
- if (!err && put_user(val, argp))
+ if (valp == NULL)
return -EFAULT;
- return err;
+ err = do_ioctl(file, cmd, (unsigned long)valp);
+ if (err)
+ return err;
+ if (convert_in_user(valp, argp))
+ return -EFAULT;
+ return 0;
}
struct compat_video_event {
@@ -139,23 +160,23 @@ struct compat_video_event {
} u;
};
-static int do_video_get_event(unsigned int fd, unsigned int cmd,
- struct compat_video_event __user *up)
+static int do_video_get_event(struct file *file,
+ unsigned int cmd, struct compat_video_event __user *up)
{
- struct video_event kevent;
- mm_segment_t old_fs = get_fs();
+ struct video_event __user *kevent =
+ compat_alloc_user_space(sizeof(*kevent));
int err;
- set_fs(KERNEL_DS);
- err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
- set_fs(old_fs);
+ if (kevent == NULL)
+ return -EFAULT;
+ err = do_ioctl(file, cmd, (unsigned long)kevent);
if (!err) {
- err = put_user(kevent.type, &up->type);
- err |= put_user(kevent.timestamp, &up->timestamp);
- err |= put_user(kevent.u.size.w, &up->u.size.w);
- err |= put_user(kevent.u.size.h, &up->u.size.h);
- err |= put_user(kevent.u.size.aspect_ratio,
+ err = convert_in_user(&kevent->type, &up->type);
+ err |= convert_in_user(&kevent->timestamp, &up->timestamp);
+ err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
+ err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
+ err |= convert_in_user(&kevent->u.size.aspect_ratio,
&up->u.size.aspect_ratio);
if (err)
err = -EFAULT;
@@ -169,8 +190,8 @@ struct compat_video_still_picture {
int32_t size;
};
-static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
- struct compat_video_still_picture __user *up)
+static int do_video_stillpicture(struct file *file,
+ unsigned int cmd, struct compat_video_still_picture __user *up)
{
struct video_still_picture __user *up_native;
compat_uptr_t fp;
@@ -190,7 +211,7 @@ static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
if (err)
return -EFAULT;
- err = sys_ioctl(fd, cmd, (unsigned long) up_native);
+ err = do_ioctl(file, cmd, (unsigned long) up_native);
return err;
}
@@ -200,8 +221,8 @@ struct compat_video_spu_palette {
compat_uptr_t palette;
};
-static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
- struct compat_video_spu_palette __user *up)
+static int do_video_set_spu_palette(struct file *file,
+ unsigned int cmd, struct compat_video_spu_palette __user *up)
{
struct video_spu_palette __user *up_native;
compat_uptr_t palp;
@@ -218,7 +239,7 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
if (err)
return -EFAULT;
- err = sys_ioctl(fd, cmd, (unsigned long) up_native);
+ err = do_ioctl(file, cmd, (unsigned long) up_native);
return err;
}
@@ -276,7 +297,7 @@ static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iov
return 0;
}
-static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
+static int sg_ioctl_trans(struct file *file, unsigned int cmd,
sg_io_hdr32_t __user *sgio32)
{
sg_io_hdr_t __user *sgio;
@@ -289,7 +310,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
if (get_user(interface_id, &sgio32->interface_id))
return -EFAULT;
if (interface_id != 'S')
- return sys_ioctl(fd, cmd, (unsigned long)sgio32);
+ return do_ioctl(file, cmd, (unsigned long)sgio32);
if (get_user(iovec_count, &sgio32->iovec_count))
return -EFAULT;
@@ -349,7 +370,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
if (put_user(compat_ptr(data), &sgio->usr_ptr))
return -EFAULT;
- err = sys_ioctl(fd, cmd, (unsigned long) sgio);
+ err = do_ioctl(file, cmd, (unsigned long) sgio);
if (err >= 0) {
void __user *datap;
@@ -380,13 +401,13 @@ struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
int unused;
};
-static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
- compat_sg_req_info __user *o)
+static int sg_grt_trans(struct file *file,
+ unsigned int cmd, struct compat_sg_req_info __user *o)
{
int err, i;
sg_req_info_t __user *r;
r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
- err = sys_ioctl(fd,cmd,(unsigned long)r);
+ err = do_ioctl(file, cmd, (unsigned long)r);
if (err < 0)
return err;
for (i = 0; i < SG_MAX_QUEUE; i++) {
@@ -412,8 +433,8 @@ struct sock_fprog32 {
#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
-static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
- struct sock_fprog32 __user *u_fprog32)
+static int ppp_sock_fprog_ioctl_trans(struct file *file,
+ unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
{
struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
void __user *fptr64;
@@ -435,7 +456,7 @@ static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
else
cmd = PPPIOCSACTIVE;
- return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
+ return do_ioctl(file, cmd, (unsigned long) u_fprog64);
}
struct ppp_option_data32 {
@@ -451,7 +472,7 @@ struct ppp_idle32 {
};
#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
-static int ppp_gidle(unsigned int fd, unsigned int cmd,
+static int ppp_gidle(struct file *file, unsigned int cmd,
struct ppp_idle32 __user *idle32)
{
struct ppp_idle __user *idle;
@@ -460,7 +481,7 @@ static int ppp_gidle(unsigned int fd, unsigned int cmd,
idle = compat_alloc_user_space(sizeof(*idle));
- err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
+ err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
if (!err) {
if (get_user(xmit, &idle->xmit_idle) ||
@@ -472,7 +493,7 @@ static int ppp_gidle(unsigned int fd, unsigned int cmd,
return err;
}
-static int ppp_scompress(unsigned int fd, unsigned int cmd,
+static int ppp_scompress(struct file *file, unsigned int cmd,
struct ppp_option_data32 __user *odata32)
{
struct ppp_option_data __user *odata;
@@ -492,7 +513,7 @@ static int ppp_scompress(unsigned int fd, unsigned int cmd,
sizeof(__u32) + sizeof(int)))
return -EFAULT;
- return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
+ return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
}
#ifdef CONFIG_BLOCK
@@ -512,12 +533,13 @@ struct mtpos32 {
};
#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
-static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
+static int mt_ioctl_trans(struct file *file,
+ unsigned int cmd, void __user *argp)
{
- mm_segment_t old_fs = get_fs();
- struct mtget get;
+ /* NULL initialization to make gcc shut up */
+ struct mtget __user *get = NULL;
struct mtget32 __user *umget32;
- struct mtpos pos;
+ struct mtpos __user *pos = NULL;
struct mtpos32 __user *upos32;
unsigned long kcmd;
void *karg;
@@ -526,32 +548,34 @@ static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
switch(cmd) {
case MTIOCPOS32:
kcmd = MTIOCPOS;
- karg = &pos;
+ pos = compat_alloc_user_space(sizeof(*pos));
+ karg = pos;
break;
default: /* MTIOCGET32 */
kcmd = MTIOCGET;
- karg = &get;
+ get = compat_alloc_user_space(sizeof(*get));
+ karg = get;
break;
}
- set_fs (KERNEL_DS);
- err = sys_ioctl (fd, kcmd, (unsigned long)karg);
- set_fs (old_fs);
+ if (karg == NULL)
+ return -EFAULT;
+ err = do_ioctl(file, kcmd, (unsigned long)karg);
if (err)
return err;
switch (cmd) {
case MTIOCPOS32:
upos32 = argp;
- err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
+ err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
break;
case MTIOCGET32:
umget32 = argp;
- err = __put_user(get.mt_type, &umget32->mt_type);
- err |= __put_user(get.mt_resid, &umget32->mt_resid);
- err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
- err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
- err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
- err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
- err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
+ err = convert_in_user(&get->mt_type, &umget32->mt_type);
+ err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
+ err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
+ err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
+ err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
+ err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
+ err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
break;
}
return err ? -EFAULT: 0;
@@ -605,42 +629,41 @@ struct serial_struct32 {
compat_int_t reserved[1];
};
-static int serial_struct_ioctl(unsigned fd, unsigned cmd,
- struct serial_struct32 __user *ss32)
+static int serial_struct_ioctl(struct file *file,
+ unsigned cmd, struct serial_struct32 __user *ss32)
{
typedef struct serial_struct32 SS32;
int err;
- struct serial_struct ss;
- mm_segment_t oldseg = get_fs();
+ struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
__u32 udata;
unsigned int base;
+ unsigned char *iomem_base;
+ if (ss == NULL)
+ return -EFAULT;
if (cmd == TIOCSSERIAL) {
- if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
- return -EFAULT;
- if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
+ if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
+ get_user(udata, &ss32->iomem_base))
return -EFAULT;
- if (__get_user(udata, &ss32->iomem_base))
+ iomem_base = compat_ptr(udata);
+ if (put_user(iomem_base, &ss->iomem_base) ||
+ convert_in_user(&ss32->iomem_reg_shift,
+ &ss->iomem_reg_shift) ||
+ convert_in_user(&ss32->port_high, &ss->port_high) ||
+ put_user(0UL, &ss->iomap_base))
return -EFAULT;
- ss.iomem_base = compat_ptr(udata);
- if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
- __get_user(ss.port_high, &ss32->port_high))
- return -EFAULT;
- ss.iomap_base = 0UL;
}
- set_fs(KERNEL_DS);
- err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
- set_fs(oldseg);
+ err = do_ioctl(file, cmd, (unsigned long)ss);
if (cmd == TIOCGSERIAL && err >= 0) {
- if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
- return -EFAULT;
- if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
+ if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
+ get_user(iomem_base, &ss->iomem_base))
return -EFAULT;
- base = (unsigned long)ss.iomem_base >> 32 ?
- 0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
- if (__put_user(base, &ss32->iomem_base) ||
- __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
- __put_user(ss.port_high, &ss32->port_high))
+ base = (unsigned long)iomem_base >> 32 ?
+ 0xffffffff : (unsigned)(unsigned long)iomem_base;
+ if (put_user(base, &ss32->iomem_base) ||
+ convert_in_user(&ss->iomem_reg_shift,
+ &ss32->iomem_reg_shift) ||
+ convert_in_user(&ss->port_high, &ss32->port_high))
return -EFAULT;
}
return err;
@@ -674,8 +697,8 @@ struct i2c_rdwr_aligned {
struct i2c_msg msgs[0];
};
-static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
- struct i2c_rdwr_ioctl_data32 __user *udata)
+static int do_i2c_rdwr_ioctl(struct file *file,
+ unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
{
struct i2c_rdwr_aligned __user *tdata;
struct i2c_msg __user *tmsgs;
@@ -708,11 +731,11 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
put_user(compat_ptr(datap), &tmsgs[i].buf))
return -EFAULT;
}
- return sys_ioctl(fd, cmd, (unsigned long)tdata);
+ return do_ioctl(file, cmd, (unsigned long)tdata);
}
-static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
- struct i2c_smbus_ioctl_data32 __user *udata)
+static int do_i2c_smbus_ioctl(struct file *file,
+ unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
{
struct i2c_smbus_ioctl_data __user *tdata;
compat_caddr_t datap;
@@ -734,7 +757,7 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
__put_user(compat_ptr(datap), &tdata->data))
return -EFAULT;
- return sys_ioctl(fd, cmd, (unsigned long)tdata);
+ return do_ioctl(file, cmd, (unsigned long)tdata);
}
#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
@@ -742,29 +765,27 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
-static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
+static int rtc_ioctl(struct file *file,
+ unsigned cmd, void __user *argp)
{
- mm_segment_t oldfs = get_fs();
- compat_ulong_t val32;
- unsigned long kval;
+ unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
int ret;
+ if (valp == NULL)
+ return -EFAULT;
switch (cmd) {
case RTC_IRQP_READ32:
case RTC_EPOCH_READ32:
- set_fs(KERNEL_DS);
- ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
+ ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
RTC_IRQP_READ : RTC_EPOCH_READ,
- (unsigned long)&kval);
- set_fs(oldfs);
+ (unsigned long)valp);
if (ret)
return ret;
- val32 = kval;
- return put_user(val32, (unsigned int __user *)argp);
+ return convert_in_user(valp, (unsigned int __user *)argp);
case RTC_IRQP_SET32:
- return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
+ return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
case RTC_EPOCH_SET32:
- return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
+ return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
}
return -ENOIOCTLCMD;
@@ -1436,53 +1457,53 @@ IGNORE_IOCTL(FBIOGCURSOR32)
* a compat_ioctl operation in the place that handleѕ the
* ioctl for the native case.
*/
-static long do_ioctl_trans(int fd, unsigned int cmd,
+static long do_ioctl_trans(unsigned int cmd,
unsigned long arg, struct file *file)
{
void __user *argp = compat_ptr(arg);
switch (cmd) {
case PPPIOCGIDLE32:
- return ppp_gidle(fd, cmd, argp);
+ return ppp_gidle(file, cmd, argp);
case PPPIOCSCOMPRESS32:
- return ppp_scompress(fd, cmd, argp);
+ return ppp_scompress(file, cmd, argp);
case PPPIOCSPASS32:
case PPPIOCSACTIVE32:
- return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
+ return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
#ifdef CONFIG_BLOCK
case SG_IO:
- return sg_ioctl_trans(fd, cmd, argp);
+ return sg_ioctl_trans(file, cmd, argp);
case SG_GET_REQUEST_TABLE:
- return sg_grt_trans(fd, cmd, argp);
+ return sg_grt_trans(file, cmd, argp);
case MTIOCGET32:
case MTIOCPOS32:
- return mt_ioctl_trans(fd, cmd, argp);
+ return mt_ioctl_trans(file, cmd, argp);
#endif
/* Serial */
case TIOCGSERIAL:
case TIOCSSERIAL:
- return serial_struct_ioctl(fd, cmd, argp);
+ return serial_struct_ioctl(file, cmd, argp);
/* i2c */
case I2C_FUNCS:
- return w_long(fd, cmd, argp);
+ return w_long(file, cmd, argp);
case I2C_RDWR:
- return do_i2c_rdwr_ioctl(fd, cmd, argp);
+ return do_i2c_rdwr_ioctl(file, cmd, argp);
case I2C_SMBUS:
- return do_i2c_smbus_ioctl(fd, cmd, argp);
+ return do_i2c_smbus_ioctl(file, cmd, argp);
/* Not implemented in the native kernel */
case RTC_IRQP_READ32:
case RTC_IRQP_SET32:
case RTC_EPOCH_READ32:
case RTC_EPOCH_SET32:
- return rtc_ioctl(fd, cmd, argp);
+ return rtc_ioctl(file, cmd, argp);
/* dvb */
case VIDEO_GET_EVENT:
- return do_video_get_event(fd, cmd, argp);
+ return do_video_get_event(file, cmd, argp);
case VIDEO_STILLPICTURE:
- return do_video_stillpicture(fd, cmd, argp);
+ return do_video_stillpicture(file, cmd, argp);
case VIDEO_SET_SPU_PALETTE:
- return do_video_set_spu_palette(fd, cmd, argp);
+ return do_video_set_spu_palette(file, cmd, argp);
}
/*
@@ -1513,7 +1534,7 @@ static long do_ioctl_trans(int fd, unsigned int cmd,
case NBD_SET_BLKSIZE:
case NBD_SET_SIZE:
case NBD_SET_SIZE_BLOCKS:
- return do_vfs_ioctl(file, fd, cmd, arg);
+ return vfs_ioctl(file, cmd, arg);
}
return -ENOIOCTLCMD;
@@ -1602,7 +1623,7 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
if (compat_ioctl_check_table(XFORM(cmd)))
goto found_handler;
- error = do_ioctl_trans(fd, cmd, arg, f.file);
+ error = do_ioctl_trans(cmd, arg, f.file);
if (error == -ENOIOCTLCMD)
error = -ENOTTY;
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 1c75a3a..602e844 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1175,6 +1175,7 @@ do_blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
if (dio->flags & DIO_LOCKING)
mutex_unlock(&inode->i_mutex);
kmem_cache_free(dio_cache, dio);
+ retval = 0;
goto out;
}
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index d8e9c181..9eaf595 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -592,10 +592,7 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
}
unlock_page(page);
}
- if (PageDirty(page) || PageWriteback(page))
- *uptodate = true;
- else
- *uptodate = PageUptodate(page);
+ *uptodate = PageUptodate(page);
EXOFS_DBGMSG2("index=0x%lx uptodate=%d\n", index, *uptodate);
return page;
} else {
diff --git a/fs/ext4/crypto.c b/fs/ext4/crypto.c
index af06830..1a08350 100644
--- a/fs/ext4/crypto.c
+++ b/fs/ext4/crypto.c
@@ -389,7 +389,7 @@ int ext4_encrypted_zeroout(struct inode *inode, struct ext4_extent *ex)
struct ext4_crypto_ctx *ctx;
struct page *ciphertext_page = NULL;
struct bio *bio;
- ext4_lblk_t lblk = ex->ee_block;
+ ext4_lblk_t lblk = le32_to_cpu(ex->ee_block);
ext4_fsblk_t pblk = ext4_ext_pblock(ex);
unsigned int len = ext4_ext_get_actual_len(ex);
int ret, err = 0;
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 750063f..cc7ca4e 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -26,6 +26,7 @@
#include <linux/seqlock.h>
#include <linux/mutex.h>
#include <linux/timer.h>
+#include <linux/version.h>
#include <linux/wait.h>
#include <linux/blockgroup_lock.h>
#include <linux/percpu_counter.h>
@@ -727,19 +728,55 @@ struct move_extent {
<= (EXT4_GOOD_OLD_INODE_SIZE + \
(einode)->i_extra_isize)) \
+/*
+ * We use an encoding that preserves the times for extra epoch "00":
+ *
+ * extra msb of adjust for signed
+ * epoch 32-bit 32-bit tv_sec to
+ * bits time decoded 64-bit tv_sec 64-bit tv_sec valid time range
+ * 0 0 1 -0x80000000..-0x00000001 0x000000000 1901-12-13..1969-12-31
+ * 0 0 0 0x000000000..0x07fffffff 0x000000000 1970-01-01..2038-01-19
+ * 0 1 1 0x080000000..0x0ffffffff 0x100000000 2038-01-19..2106-02-07
+ * 0 1 0 0x100000000..0x17fffffff 0x100000000 2106-02-07..2174-02-25
+ * 1 0 1 0x180000000..0x1ffffffff 0x200000000 2174-02-25..2242-03-16
+ * 1 0 0 0x200000000..0x27fffffff 0x200000000 2242-03-16..2310-04-04
+ * 1 1 1 0x280000000..0x2ffffffff 0x300000000 2310-04-04..2378-04-22
+ * 1 1 0 0x300000000..0x37fffffff 0x300000000 2378-04-22..2446-05-10
+ *
+ * Note that previous versions of the kernel on 64-bit systems would
+ * incorrectly use extra epoch bits 1,1 for dates between 1901 and
+ * 1970. e2fsck will correct this, assuming that it is run on the
+ * affected filesystem before 2242.
+ */
+
static inline __le32 ext4_encode_extra_time(struct timespec *time)
{
- return cpu_to_le32((sizeof(time->tv_sec) > 4 ?
- (time->tv_sec >> 32) & EXT4_EPOCH_MASK : 0) |
- ((time->tv_nsec << EXT4_EPOCH_BITS) & EXT4_NSEC_MASK));
+ u32 extra = sizeof(time->tv_sec) > 4 ?
+ ((time->tv_sec - (s32)time->tv_sec) >> 32) & EXT4_EPOCH_MASK : 0;
+ return cpu_to_le32(extra | (time->tv_nsec << EXT4_EPOCH_BITS));
}
static inline void ext4_decode_extra_time(struct timespec *time, __le32 extra)
{
- if (sizeof(time->tv_sec) > 4)
- time->tv_sec |= (__u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK)
- << 32;
- time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS;
+ if (unlikely(sizeof(time->tv_sec) > 4 &&
+ (extra & cpu_to_le32(EXT4_EPOCH_MASK)))) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,20,0)
+ /* Handle legacy encoding of pre-1970 dates with epoch
+ * bits 1,1. We assume that by kernel version 4.20,
+ * everyone will have run fsck over the affected
+ * filesystems to correct the problem. (This
+ * backwards compatibility may be removed before this
+ * time, at the discretion of the ext4 developers.)
+ */
+ u64 extra_bits = le32_to_cpu(extra) & EXT4_EPOCH_MASK;
+ if (extra_bits == 3 && ((time->tv_sec) & 0x80000000) != 0)
+ extra_bits = 0;
+ time->tv_sec += extra_bits << 32;
+#else
+ time->tv_sec += (u64)(le32_to_cpu(extra) & EXT4_EPOCH_MASK) << 32;
+#endif
+ }
+ time->tv_nsec = (le32_to_cpu(extra) & EXT4_NSEC_MASK) >> EXT4_EPOCH_BITS;
}
#define EXT4_INODE_SET_XTIME(xtime, inode, raw_inode) \
diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c
index 2281ac2..6f7ee30 100644
--- a/fs/ext4/symlink.c
+++ b/fs/ext4/symlink.c
@@ -56,7 +56,7 @@ static const char *ext4_encrypted_get_link(struct dentry *dentry,
/* Symlink is encrypted */
sd = (struct ext4_encrypted_symlink_data *)caddr;
cstr.name = sd->encrypted_path;
- cstr.len = le32_to_cpu(sd->len);
+ cstr.len = le16_to_cpu(sd->len);
if ((cstr.len +
sizeof(struct ext4_encrypted_symlink_data) - 1) >
max_size) {
diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index 1b57c72..1420a3c 100644
--- a/fs/ext4/sysfs.c
+++ b/fs/ext4/sysfs.c
@@ -358,7 +358,7 @@ static int name##_open(struct inode *inode, struct file *file) \
return single_open(file, ext4_seq_##name##_show, PDE_DATA(inode)); \
} \
\
-const struct file_operations ext4_seq_##name##_fops = { \
+static const struct file_operations ext4_seq_##name##_fops = { \
.owner = THIS_MODULE, \
.open = name##_open, \
.read = seq_read, \
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c
index eae2c11..8e3ee19 100644
--- a/fs/fuse/cuse.c
+++ b/fs/fuse/cuse.c
@@ -549,6 +549,8 @@ static int cuse_channel_release(struct inode *inode, struct file *file)
unregister_chrdev_region(cc->cdev->dev, 1);
cdev_del(cc->cdev);
}
+ /* Base reference is now owned by "fud" */
+ fuse_conn_put(&cc->fc);
rc = fuse_dev_release(inode, file); /* puts the base reference */
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e0faf8f..570ca40 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1049,6 +1049,7 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
tmp = iov_iter_copy_from_user_atomic(page, ii, offset, bytes);
flush_dcache_page(page);
+ iov_iter_advance(ii, tmp);
if (!tmp) {
unlock_page(page);
page_cache_release(page);
@@ -1061,7 +1062,6 @@ static ssize_t fuse_fill_write_pages(struct fuse_req *req,
req->page_descs[req->num_pages].length = tmp;
req->num_pages++;
- iov_iter_advance(ii, tmp);
count += tmp;
pos += tmp;
offset += tmp;
diff --git a/fs/internal.h b/fs/internal.h
index 71859c4d..e38c08c 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -151,3 +151,10 @@ extern void mnt_pin_kill(struct mount *m);
* fs/nsfs.c
*/
extern struct dentry_operations ns_dentry_operations;
+
+/*
+ * fs/ioctl.c
+ */
+extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
+ unsigned long arg);
+extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 5d01d26..41c352e 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -15,6 +15,7 @@
#include <linux/writeback.h>
#include <linux/buffer_head.h>
#include <linux/falloc.h>
+#include "internal.h"
#include <asm/ioctls.h>
@@ -32,8 +33,7 @@
*
* Returns 0 on success, -errno on error.
*/
-static long vfs_ioctl(struct file *filp, unsigned int cmd,
- unsigned long arg)
+long vfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int error = -ENOTTY;
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 89463ee..ca181e8 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1009,7 +1009,8 @@ out:
}
/* Fast check whether buffer is already attached to the required transaction */
-static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh)
+static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh,
+ bool undo)
{
struct journal_head *jh;
bool ret = false;
@@ -1036,6 +1037,9 @@ static bool jbd2_write_access_granted(handle_t *handle, struct buffer_head *bh)
jh = READ_ONCE(bh->b_private);
if (!jh)
goto out;
+ /* For undo access buffer must have data copied */
+ if (undo && !jh->b_committed_data)
+ goto out;
if (jh->b_transaction != handle->h_transaction &&
jh->b_next_transaction != handle->h_transaction)
goto out;
@@ -1073,7 +1077,7 @@ int jbd2_journal_get_write_access(handle_t *handle, struct buffer_head *bh)
struct journal_head *jh;
int rc;
- if (jbd2_write_access_granted(handle, bh))
+ if (jbd2_write_access_granted(handle, bh, false))
return 0;
jh = jbd2_journal_add_journal_head(bh);
@@ -1210,7 +1214,7 @@ int jbd2_journal_get_undo_access(handle_t *handle, struct buffer_head *bh)
char *committed_data = NULL;
JBUFFER_TRACE(jh, "entry");
- if (jbd2_write_access_granted(handle, bh))
+ if (jbd2_write_access_granted(handle, bh, true))
return 0;
jh = jbd2_journal_add_journal_head(bh);
@@ -2152,6 +2156,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
if (!buffer_dirty(bh)) {
/* bdflush has written it. We can drop it now */
+ __jbd2_journal_remove_checkpoint(jh);
goto zap_buffer;
}
@@ -2181,6 +2186,7 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh,
/* The orphan record's transaction has
* committed. We can cleanse this buffer */
clear_buffer_jbddirty(bh);
+ __jbd2_journal_remove_checkpoint(jh);
goto zap_buffer;
}
}
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index beac58b..646cdac 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -78,8 +78,7 @@ static __be32 *read_buf(struct xdr_stream *xdr, int nbytes)
p = xdr_inline_decode(xdr, nbytes);
if (unlikely(p == NULL))
- printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed "
- "or truncated request.\n");
+ printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed!\n");
return p;
}
@@ -890,7 +889,6 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
struct cb_compound_hdr_arg hdr_arg = { 0 };
struct cb_compound_hdr_res hdr_res = { NULL };
struct xdr_stream xdr_in, xdr_out;
- struct xdr_buf *rq_arg = &rqstp->rq_arg;
__be32 *p, status;
struct cb_process_state cps = {
.drc_status = 0,
@@ -902,8 +900,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
dprintk("%s: start\n", __func__);
- rq_arg->len = rq_arg->head[0].iov_len + rq_arg->page_len;
- xdr_init_decode(&xdr_in, rq_arg, rq_arg->head[0].iov_base);
+ xdr_init_decode(&xdr_in, &rqstp->rq_arg, rqstp->rq_arg.head[0].iov_base);
p = (__be32*)((char *)rqstp->rq_res.head[0].iov_base + rqstp->rq_res.head[0].iov_len);
xdr_init_encode(&xdr_out, &rqstp->rq_res, p);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index aa828e8..bdb4dc7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -75,11 +75,11 @@ nfs_fattr_to_ino_t(struct nfs_fattr *fattr)
* nfs_wait_bit_killable - helper for functions that are sleeping on bit locks
* @word: long word containing the bit lock
*/
-int nfs_wait_bit_killable(struct wait_bit_key *key)
+int nfs_wait_bit_killable(struct wait_bit_key *key, int mode)
{
- if (fatal_signal_pending(current))
- return -ERESTARTSYS;
freezable_schedule_unsafe();
+ if (signal_pending_state(mode, current))
+ return -ERESTARTSYS;
return 0;
}
EXPORT_SYMBOL_GPL(nfs_wait_bit_killable);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 56cfde2..9dea85f 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -379,7 +379,7 @@ extern int nfs_drop_inode(struct inode *);
extern void nfs_clear_inode(struct inode *);
extern void nfs_evict_inode(struct inode *);
void nfs_zap_acl_cache(struct inode *inode);
-extern int nfs_wait_bit_killable(struct wait_bit_key *key);
+extern int nfs_wait_bit_killable(struct wait_bit_key *key, int mode);
/* super.c */
extern const struct super_operations nfs_sops;
diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
index 5c0c6b5..9aebffb 100644
--- a/fs/nfs/objlayout/objio_osd.c
+++ b/fs/nfs/objlayout/objio_osd.c
@@ -476,10 +476,7 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
}
unlock_page(page);
}
- if (PageDirty(page) || PageWriteback(page))
- *uptodate = true;
- else
- *uptodate = PageUptodate(page);
+ *uptodate = PageUptodate(page);
dprintk("%s: index=0x%lx uptodate=%d\n", __func__, index, *uptodate);
return page;
}
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index fe3ddd2..452a011 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -129,7 +129,7 @@ __nfs_iocounter_wait(struct nfs_io_counter *c)
set_bit(NFS_IO_INPROGRESS, &c->flags);
if (atomic_read(&c->io_count) == 0)
break;
- ret = nfs_wait_bit_killable(&q.key);
+ ret = nfs_wait_bit_killable(&q.key, TASK_KILLABLE);
} while (atomic_read(&c->io_count) != 0 && !ret);
finish_wait(wq, &q.wait);
return ret;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 5a8ae21..bec0384 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1466,11 +1466,11 @@ static bool pnfs_within_mdsthreshold(struct nfs_open_context *ctx,
}
/* stop waiting if someone clears NFS_LAYOUT_RETRY_LAYOUTGET bit. */
-static int pnfs_layoutget_retry_bit_wait(struct wait_bit_key *key)
+static int pnfs_layoutget_retry_bit_wait(struct wait_bit_key *key, int mode)
{
if (!test_bit(NFS_LAYOUT_RETRY_LAYOUTGET, key->flags))
return 1;
- return nfs_wait_bit_killable(key);
+ return nfs_wait_bit_killable(key, mode);
}
static bool pnfs_prepare_to_retry_layoutget(struct pnfs_layout_hdr *lo)
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 9ffef06..c9d6c71 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -616,6 +616,7 @@ nfsd4_cb_layout_prepare(struct nfsd4_callback *cb)
mutex_lock(&ls->ls_mutex);
nfs4_inc_and_copy_stateid(&ls->ls_recall_sid, &ls->ls_stid);
+ mutex_unlock(&ls->ls_mutex);
}
static int
@@ -659,7 +660,6 @@ nfsd4_cb_layout_release(struct nfsd4_callback *cb)
trace_layout_recall_release(&ls->ls_stid.sc_stateid);
- mutex_unlock(&ls->ls_mutex);
nfsd4_return_all_layouts(ls, &reaplist);
nfsd4_free_layouts(&reaplist);
nfs4_put_stid(&ls->ls_stid);
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index ce38b4c..84f2f80 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2843,6 +2843,8 @@ again:
res->state &= ~DLM_LOCK_RES_BLOCK_DIRTY;
if (!ret)
BUG_ON(!(res->state & DLM_LOCK_RES_MIGRATING));
+ else
+ res->migration_pending = 0;
spin_unlock(&res->spinlock);
/*
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index 652ece4..d56f007 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -67,7 +67,10 @@ static int ocfs2_do_flock(struct file *file, struct inode *inode,
*/
locks_lock_file_wait(file,
- &(struct file_lock){.fl_type = F_UNLCK});
+ &(struct file_lock) {
+ .fl_type = F_UNLCK,
+ .fl_flags = FL_FLOCK
+ });
ocfs2_file_unlock(file);
}
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 2efe8af..afb81ea 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -367,13 +367,11 @@ static int ocfs2_mknod(struct inode *dir,
goto leave;
}
- status = posix_acl_create(dir, &mode, &default_acl, &acl);
+ status = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);
if (status) {
mlog_errno(status);
goto leave;
}
- /* update inode->i_mode after mask with "umask". */
- inode->i_mode = mode;
handle = ocfs2_start_trans(osb, ocfs2_mknod_credits(osb->sb,
S_ISDIR(mode),
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index d5da6f62..79b8021 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -54,11 +54,12 @@
static u16 ocfs2_calc_new_backup_super(struct inode *inode,
struct ocfs2_group_desc *gd,
u16 cl_cpg,
+ u16 old_bg_clusters,
int set)
{
int i;
u16 backups = 0;
- u32 cluster;
+ u32 cluster, lgd_cluster;
u64 blkno, gd_blkno, lgd_blkno = le64_to_cpu(gd->bg_blkno);
for (i = 0; i < OCFS2_MAX_BACKUP_SUPERBLOCKS; i++) {
@@ -71,6 +72,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode,
else if (gd_blkno > lgd_blkno)
break;
+ /* check if already done backup super */
+ lgd_cluster = ocfs2_blocks_to_clusters(inode->i_sb, lgd_blkno);
+ lgd_cluster += old_bg_clusters;
+ if (lgd_cluster >= cluster)
+ continue;
+
if (set)
ocfs2_set_bit(cluster % cl_cpg,
(unsigned long *)gd->bg_bitmap);
@@ -99,6 +106,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
u16 chain, num_bits, backups = 0;
u16 cl_bpc = le16_to_cpu(cl->cl_bpc);
u16 cl_cpg = le16_to_cpu(cl->cl_cpg);
+ u16 old_bg_clusters;
trace_ocfs2_update_last_group_and_inode(new_clusters,
first_new_cluster);
@@ -112,6 +120,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
group = (struct ocfs2_group_desc *)group_bh->b_data;
+ old_bg_clusters = le16_to_cpu(group->bg_bits) / cl_bpc;
/* update the group first. */
num_bits = new_clusters * cl_bpc;
le16_add_cpu(&group->bg_bits, num_bits);
@@ -125,7 +134,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
OCFS2_FEATURE_COMPAT_BACKUP_SB)) {
backups = ocfs2_calc_new_backup_super(bm_inode,
group,
- cl_cpg, 1);
+ cl_cpg, old_bg_clusters, 1);
le16_add_cpu(&group->bg_free_bits_count, -1 * backups);
}
@@ -163,7 +172,7 @@ out_rollback:
if (ret < 0) {
ocfs2_calc_new_backup_super(bm_inode,
group,
- cl_cpg, 0);
+ cl_cpg, old_bg_clusters, 0);
le16_add_cpu(&group->bg_free_bits_count, backups);
le16_add_cpu(&group->bg_bits, -1 * num_bits);
le16_add_cpu(&group->bg_free_bits_count, -1 * num_bits);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 71660bb..55e01f8 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2500,6 +2500,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
mm = get_task_mm(task);
if (!mm)
goto out_no_mm;
+ ret = 0;
for (i = 0, mask = 1; i < MMF_DUMP_FILTER_BITS; i++, mask <<= 1) {
if (val & mask)
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