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| author |   Russ W. Knize <rknize@gmail.com> | 2013-09-24 09:40:57 -0500 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-09-25 17:59:32 +0900 |
| commit | 2e5558f4a5cf16a7394fd5770087303db8912c66 (patch) | |
| tree | 08bde9e64eaab5f9154596cf83979b03cc526861 /fs/f2fs | |
| parent | f2fs: don't GC or take an fs_lock from f2fs_initxattrs() (diff) | |
| download | linux-dev-2e5558f4a5cf16a7394fd5770087303db8912c66.tar.xz linux-dev-2e5558f4a5cf16a7394fd5770087303db8912c66.zip | |
f2fs: account for orphan inodes during recovery
During recovery, orphan inodes are deleted via truncate_hole().
These orphans are added by recover_dentry() via f2fs_delete_entry().
However, f2fs_delete_entry() adds them via add_orphan_inode()
without calling acquire_orphan_inode() first. This prevents the
counters from being incremented properly, which causes them to
underflow when remove_orphan_inode() is called later on.
Signed-off-by: Russ Knize <rknize@motorola.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/recovery.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index d43e4cd1f815..a15d122fdc50 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -64,24 +64,31 @@ static int recover_dentry(struct page *ipage, struct inode *inode) name.name = raw_inode->i_name; retry: de = f2fs_find_entry(dir, &name, &page); - if (de && inode->i_ino == le32_to_cpu(de->ino)) { - kunmap(page); - f2fs_put_page(page, 0); - goto out; - } + if (de && inode->i_ino == le32_to_cpu(de->ino)) + goto out_unmap_put; if (de) { einode = f2fs_iget(inode->i_sb, le32_to_cpu(de->ino)); if (IS_ERR(einode)) { WARN_ON(1); if (PTR_ERR(einode) == -ENOENT) err = -EEXIST; - goto out; + goto out_unmap_put; + } + err = acquire_orphan_inode(F2FS_SB(inode->i_sb)); + if (err) { + iput(einode); + goto out_unmap_put; } f2fs_delete_entry(de, page, einode); iput(einode); goto retry; } err = __f2fs_add_link(dir, &name, inode); + goto out; + +out_unmap_put: + kunmap(page); + f2fs_put_page(page, 0); out: f2fs_msg(inode->i_sb, KERN_NOTICE, "recover_inode and its dentry: " "ino = %x, name = %s, dir = %lx, err = %d", |