[PATCH 7/7] reiserfs: propagate issue-flush error code

[Fernando Luis Vázquez Cao]

blkdev_issue_flush() may fail (i.e. due to media error on FLUSH CACHE
command execution) so its users should check for the return value.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Signed-off-by: Fernando Luis Vazquez Cao <fernando@xxxxxxxxxxxxx>
---

diff -urNp linux-2.6.29-orig/fs/reiserfs/file.c linux-2.6.29/fs/reiserfs/file.c
--- linux-2.6.29-orig/fs/reiserfs/file.c	2009-03-24 08:12:14.000000000 +0900
+++ linux-2.6.29/fs/reiserfs/file.c	2009-03-30 16:19:19.000000000 +0900
@@ -146,8 +146,9 @@ static int reiserfs_sync_file(struct fil
 	reiserfs_write_lock(p_s_inode->i_sb);
 	barrier_done = reiserfs_commit_for_inode(p_s_inode);
 	reiserfs_write_unlock(p_s_inode->i_sb);
-	if (barrier_done != 1 && reiserfs_barrier_flush(p_s_inode->i_sb))
-		blkdev_issue_flush(p_s_inode->i_sb->s_bdev, NULL);
+	if (!n_err && barrier_done != 1 &&
+			reiserfs_barrier_flush(p_s_inode->i_sb))
+		n_err = block_flush_device(p_s_inode->i_sb->s_bdev);
 	if (barrier_done < 0)
 		return barrier_done;
 	return (n_err < 0) ? -EIO : 0;
--
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