Merge branch 'ext3-latency-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

* 'ext3-latency-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext3: Add replace-on-rename hueristics for data=writeback mode
  ext3: Add replace-on-truncate hueristics for data=writeback mode
  ext3: Use WRITE_SYNC for commits which are caused by fsync()
  block_write_full_page: Use synchronous writes for WBC_SYNC_ALL writebacks

1 files changed, 5 insertions, 1 deletions

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 6ddaa0a..6ff7b97 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2274,7 +2274,7 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
 	struct inode * old_inode, * new_inode;
 	struct buffer_head * old_bh, * new_bh, * dir_bh;
 	struct ext3_dir_entry_2 * old_de, * new_de;
-	int retval;
+	int retval, flush_file = 0;
 
 	old_bh = new_bh = dir_bh = NULL;
 
@@ -2410,6 +2410,8 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
 		ext3_mark_inode_dirty(handle, new_inode);
 		if (!new_inode->i_nlink)
 			ext3_orphan_add(handle, new_inode);
+		if (ext3_should_writeback_data(new_inode))
+			flush_file = 1;
 	}
 	retval = 0;
 
@@ -2418,6 +2420,8 @@ end_rename:
 	brelse (old_bh);
 	brelse (new_bh);
 	ext3_journal_stop(handle);
+	if (retval == 0 && flush_file)
+		filemap_flush(old_inode->i_mapping);
 	return retval;
 }