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ext3: Check return value of blkdev_issue_flush()

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blkdev_issue_flush() can fail. Make sure the error gets properly propagated.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2012-07-09 23:40:46 +02:00
parent 349ecd6a3c
commit 44f4f729e7
1 changed files with 7 additions and 2 deletions
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9
fs/ext3/fsync.c
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@ -92,8 +92,13 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
* disk caches manually so that data really is on persistent
* storage
*/
if (needs_barrier)
blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
if (needs_barrier) {
int err;
err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
if (!ret)
ret = err;
}
out:
trace_ext3_sync_file_exit(inode, ret);
return ret;