ext2: also update the inode on disk when dir is IS_DIRSYNC

We used to just write changed page for IS_DIRSYNC inodes.  But we also
have to update the directory inode itself just for the case that we've
allocated a new block and changed i_size.

[akpm@linux-foundation.org: still sync the data page]
Signed-off-by: Jan Kara <jack@suse.cz>
Tested-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 9a0fc400f91c..2999d72153b7 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -95,10 +95,13 @@ static int ext2_commit_chunk(struct page *page, loff_t pos, unsigned len)
                 mark_inode_dirty(dir);
         }
 
-        if (IS_DIRSYNC(dir))
+        if (IS_DIRSYNC(dir)) {
                 err = write_one_page(page, 1);
-        else
+                if (!err)
+                        err = ext2_sync_inode(dir);
+        } else {
                 unlock_page(page);
+        }
 
         return err;
 }