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 (file)
--- 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;
                }