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authorSheng Yong <shengyong1@huawei.com>2016-06-04 17:01:28 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2016-06-16 01:32:35 +0300
commit8be0fea9c09d5be1693e50d1439f14878837fa4f (patch)
tree9f6d9815115d995c317b70e8a4c58ddff2e3e57c /fs/f2fs/inline.c
parentc92737ceecaf24643cc58182afdf9b13074cfb0d (diff)
downloadlinux-8be0fea9c09d5be1693e50d1439f14878837fa4f.tar.xz
f2fs: find parent dentry correctly
If dotdot directory is corrupted, its slot may be ocupied by another file. In this case, dentry[1] is not the parent directory. Rename and cross-rename will update the inode in dentry[1] incorrectly. This patch finds dotdot dentry by name. Signed-off-by: Sheng Yong <shengyong1@huawei.com> [Jaegeuk Kim: remove wron bug_on] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/inline.c')
-rw-r--r--fs/f2fs/inline.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 669f92ffd111..e10e958250ff 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -306,25 +306,6 @@ struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
return de;
}
-struct f2fs_dir_entry *f2fs_parent_inline_dir(struct inode *dir,
- struct page **p)
-{
- struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
- struct page *ipage;
- struct f2fs_dir_entry *de;
- struct f2fs_inline_dentry *dentry_blk;
-
- ipage = get_node_page(sbi, dir->i_ino);
- if (IS_ERR(ipage))
- return NULL;
-
- dentry_blk = inline_data_addr(ipage);
- de = &dentry_blk->dentry[1];
- *p = ipage;
- unlock_page(ipage);
- return de;
-}
-
int make_empty_inline_dir(struct inode *inode, struct inode *parent,
struct page *ipage)
{