From: Jan Kara <jack@suse.cz>
Date: Mon, 1 Mar 2010 13:02:37 +0000 (+0100)
Subject: ext3: Truncate allocated blocks if direct IO write fails to update i_size
X-Git-Tag: v2.6.34-rc1~192^2~10
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=7eb4969e04060dcf3fbd46af9c21b1059b853068

ext3: Truncate allocated blocks if direct IO write fails to update i_size

We have to truncate blocks allocated to file during direct IO when we
fail to update i_size properly.

Signed-off-by: Jan Kara <jack@suse.cz>
---

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 44b5338..c0ff9d6 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1785,8 +1785,9 @@ retry:
 		handle = ext3_journal_start(inode, 2);
 		if (IS_ERR(handle)) {
 			/* This is really bad luck. We've written the data
-			 * but cannot extend i_size. Bail out and pretend
-			 * the write failed... */
+			 * but cannot extend i_size. Truncate allocated blocks
+			 * and pretend the write failed... */
+			ext3_truncate(inode);
 			ret = PTR_ERR(handle);
 			goto out;
 		}