Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 005a1d15 authored by Jens Axboe's avatar Jens Axboe
Browse files

xen-blkfront: disable barrier/flush write support 



The driver doesn't handle empty flushes. Disable barrier/flush
write support until this is fixed up.

Signed-off-by: default avatarJens Axboe <jaxboe@fusionio.com>
parent 4d152904

drivers/block/xen-blkfront.c

+7 −0
Original line number Diff line number Diff line
@@ -1067,8 +1067,15 @@ static void blkfront_connect(struct blkfront_info *info) 
	 * If there are barriers, then we use flush.

	 */

	info->feature_flush = 0;



	/*

	 * The driver doesn't properly handled empty flushes, so

	 * lets disable barrier support for now.

	 */

#if 0

	if (!err && barrier)

		info->feature_flush = REQ_FLUSH;

#endif



	err = xlvbd_alloc_gendisk(sectors, info, binfo, sector_size);

	if (err) {