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| author | Tao Ma <boyu.mt@taobao.com> | 2012-07-10 00:29:05 +0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-07-10 00:29:05 +0400 |
| commit | ef58f69c3c34f6377f1e21d3533c806dbd980ad0 (patch) | |
| tree | d70873af34e22a92988308a04ec1d5818bff8100 /fs/ext4/namei.c | |
| parent | 952fc18ef9ec707ebdc16c0786ec360295e5ff15 (diff) | |
| download | linux-ef58f69c3c34f6377f1e21d3533c806dbd980ad0.tar.xz | |
ext4: use proper csum calculation in ext4_rename
In ext4_rename, when the old name is a dir, we need to
change ".." to its new parent and journal the change, so
with metadata_csum enabled, we have to re-calc the csum.
As the first block of the dir can be either a htree root
or a normal directory block and we have different csum
calculation for these 2 types, we have to choose the right
one in ext4_rename.
btw, it is found by xfstests 013.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Darrick J. Wong <djwong@us.ibm.com>
Diffstat (limited to 'fs/ext4/namei.c')
| -rw-r--r-- | fs/ext4/namei.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 5845cd97bf8b..0edaf18d843e 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2918,8 +2918,15 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry, PARENT_INO(dir_bh->b_data, new_dir->i_sb->s_blocksize) = cpu_to_le32(new_dir->i_ino); BUFFER_TRACE(dir_bh, "call ext4_handle_dirty_metadata"); - retval = ext4_handle_dirty_dirent_node(handle, old_inode, - dir_bh); + if (is_dx(old_inode)) { + retval = ext4_handle_dirty_dx_node(handle, + old_inode, + dir_bh); + } else { + retval = ext4_handle_dirty_dirent_node(handle, + old_inode, + dir_bh); + } if (retval) { ext4_std_error(old_dir->i_sb, retval); goto end_rename; |