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UBIFS: fix inode size debugging check failure

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This patch fixes a problem with the following symptoms:

UBIFS: deferred recovery completed
UBIFS error (pid 15676): dbg_check_synced_i_size: ui_size is 11481088, synced_i_size is 11459081, but inode is clean
UBIFS error (pid 15676): dbg_check_synced_i_size: i_ino 128, i_mode 0x81a4, i_size 11481088

It happens when additional debugging checks are enabled and we are recovering
from a power cut. When we fixup corrupted inode size during recovery, we change
them in-place and we change ui_size as well, but not synced_i_size, which
causes this failure. This patch makes sure we change both fields and fixes the
issue.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2011-05-05 14:16:32 +03:00
parent 45cd5cddbf
commit c1f1f91d21
1 changed files with 5 additions and 1 deletions
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6
fs/ubifs/recovery.c
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@ -1490,18 +1490,22 @@ int ubifs_recover_size(struct ubifs_info *c)
if (c->ro_mount) {
/* Fix the inode size and pin it in memory */
struct inode *inode;
struct ubifs_inode *ui;
ubifs_assert(!e->inode);
inode = ubifs_iget(c->vfs_sb, e->inum);
if (IS_ERR(inode))
return PTR_ERR(inode);
ui = ubifs_inode(inode);
if (inode->i_size < e->d_size) {
dbg_rcvry("ino %lu size %lld -> %lld",
(unsigned long)e->inum,
inode->i_size, e->d_size);
inode->i_size = e->d_size;
ubifs_inode(inode)->ui_size = e->d_size;
ui->ui_size = e->d_size;
ui->synced_i_size = e->d_size;
e->inode = inode;
this = rb_next(this);
continue;