Use WRITE_BARRIER in blkdev_issue_flush(), not (1<<BIO_RW_BARRIER)
authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Mon, 11 Aug 2008 16:07:08 +0000 (17:07 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Thu, 9 Oct 2008 06:56:02 +0000 (08:56 +0200)
Barriers should be submitted with the WRITE flag set.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/blk-barrier.c

index 273121c0eb805c57ce0138ffc2dfec0b2dc67a28..e5448131d4f1f90c8bec86db97096d99466408de 100644 (file)
@@ -293,7 +293,7 @@ int blkdev_issue_flush(struct block_device *bdev, sector_t *error_sector)
        bio->bi_end_io = bio_end_empty_barrier;
        bio->bi_private = &wait;
        bio->bi_bdev = bdev;
-       submit_bio(1 << BIO_RW_BARRIER, bio);
+       submit_bio(WRITE_BARRIER, bio);
 
        wait_for_completion(&wait);