We used to just write changed page for IS_DIRSYNC inodes. But we also have to
update directory inode itself just for the case that we've allocated a new
block and changed i_size.
Thanks to AKPM for spotting a serious bug in the original version of this
patch.
Signed-off-by: Jan Kara <jack@xxxxxxx>
CC: Pavel Machek <pavel@xxxxxxx>
---
fs/ext2/dir.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 9a0fc40..2999d72 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;
}
--
1.6.0.2
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