From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38200) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1agaIl-0002y2-1J for qemu-devel@nongnu.org; Thu, 17 Mar 2016 11:57:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1agaIh-0001sp-6b for qemu-devel@nongnu.org; Thu, 17 Mar 2016 11:57:30 -0400 From: Kevin Wolf Date: Thu, 17 Mar 2016 16:56:40 +0100 Message-Id: <1458230202-29136-28-git-send-email-kwolf@redhat.com> In-Reply-To: <1458230202-29136-1-git-send-email-kwolf@redhat.com> References: <1458230202-29136-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 27/29] block: Use blk_co_pwritev() in blk_co_write_zeroes() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, qemu-devel@nongnu.org Signed-off-by: Kevin Wolf --- block/block-backend.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index 972a617..dca21d1 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1462,12 +1462,13 @@ void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, int coroutine_fn blk_co_write_zeroes(BlockBackend *blk, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags) { - int ret = blk_check_request(blk, sector_num, nb_sectors); - if (ret < 0) { - return ret; + if (nb_sectors < 0 || nb_sectors > BDRV_REQUEST_MAX_SECTORS) { + return -EINVAL; } - return bdrv_co_write_zeroes(blk_bs(blk), sector_num, nb_sectors, flags); + return blk_co_pwritev(blk, sector_num << BDRV_SECTOR_BITS, + nb_sectors << BDRV_SECTOR_BITS, NULL, + BDRV_REQ_ZERO_WRITE); } int blk_write_compressed(BlockBackend *blk, int64_t sector_num, -- 1.8.3.1