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| author | Liu Xue <liuxueliu.liu@huawei.com> | 2016-02-26 06:39:23 +0000 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-03-02 09:25:33 -0800 |
| commit | 8c2b1435b9f48904aaa9401d12b800ca8c4dae05 (patch) | |
| tree | d4051c2d8c4e83649e45db6054a44d1e6512ba9b | |
| parent | 19c7377b56a618c2a6ae1dfef1c22f19ad9d427c (diff) | |
| download | linux-8c2b1435b9f48904aaa9401d12b800ca8c4dae05.tar.gz | |
f2fs: recovery missing dot dentries in root directory
If f2fs was corrupted with missing dot dentries in root dirctory, it needs to recover them after fsck.f2fs set F2FS_INLINE_DOTS flag in directory inode when fsck.f2fs detects missing dot dentries. Signed-off-by: Xue Liu <liuxueliu.liu@huawei.com> Signed-off-by: Yong Sheng <shengyong1@huawei.com> Reviewed-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/namei.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 01b9ef6ac581..b3c423a645bc 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -260,6 +260,7 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, struct page *page; nid_t ino; int err = 0; + unsigned int root_ino = F2FS_ROOT_INO(F2FS_I_SB(dir)); if (dentry->d_name.len > F2FS_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); @@ -276,6 +277,12 @@ static struct dentry *f2fs_lookup(struct inode *dir, struct dentry *dentry, if (IS_ERR(inode)) return ERR_CAST(inode); + if ((dir->i_ino == root_ino) && f2fs_has_inline_dots(dir)) { + err = __recover_dot_dentries(dir, root_ino); + if (err) + goto err_out; + } + if (f2fs_has_inline_dots(inode)) { err = __recover_dot_dentries(inode, dir->i_ino); if (err) |