From 44f4f729e7a143b08bd63c33cb78b3181d9f4716 Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Mon, 9 Jul 2012 23:40:46 +0200 Subject: [PATCH] ext3: Check return value of blkdev_issue_flush() blkdev_issue_flush() can fail. Make sure the error gets properly propagated. Signed-off-by: Jan Kara --- fs/ext3/fsync.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index d4dff278cbd8..b31dbd4c46ad 100644 --- a/fs/ext3/fsync.c +++ b/fs/ext3/fsync.c @@ -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; -- 2.30.2