From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36599) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vjq2D-000241-5n for qemu-devel@nongnu.org; Fri, 22 Nov 2013 07:40:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Vjq26-0001Ng-Tt for qemu-devel@nongnu.org; Fri, 22 Nov 2013 07:40:32 -0500 Received: from mx1.redhat.com ([209.132.183.28]:10278) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Vjq26-0001NV-CL for qemu-devel@nongnu.org; Fri, 22 Nov 2013 07:40:26 -0500 From: Paolo Bonzini Date: Fri, 22 Nov 2013 13:39:46 +0100 Message-Id: <1385124001-3576-5-git-send-email-pbonzini@redhat.com> In-Reply-To: <1385124001-3576-1-git-send-email-pbonzini@redhat.com> References: <1385124001-3576-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH v3 04/19] block: add bdrv_aio_write_zeroes List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pl@kamp.de, ronniesahlberg@gmail.com, stefanha@redhat.com This will be used by the SCSI layer. Signed-off-by: Paolo Bonzini --- block.c | 11 +++++++++++ include/block/block.h | 3 +++ trace-events | 1 + 3 files changed, 15 insertions(+) diff --git a/block.c b/block.c index cb07e57..f9674d9 100644 --- a/block.c +++ b/block.c @@ -3670,6 +3670,17 @@ BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, cb, opaque, true); } +BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, + int64_t sector_num, int nb_sectors, BdrvRequestFlags flags, + BlockDriverCompletionFunc *cb, void *opaque) +{ + trace_bdrv_aio_write_zeroes(bs, sector_num, nb_sectors, flags, opaque); + + return bdrv_co_aio_rw_vector(bs, sector_num, NULL, nb_sectors, + BDRV_REQ_ZERO_WRITE | flags, + cb, opaque, true); +} + typedef struct MultiwriteCB { int error; diff --git a/include/block/block.h b/include/block/block.h index 703d875..4967ed2 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -216,6 +216,9 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num, const uint8_t *buf, int nb_sectors); int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num, int nb_sectors, BdrvRequestFlags flags); +BlockDriverAIOCB *bdrv_aio_write_zeroes(BlockDriverState *bs, int64_t sector_num, + int nb_sectors, BdrvRequestFlags flags, + BlockDriverCompletionFunc *cb, void *opaque); int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags); int bdrv_writev(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov); int bdrv_pread(BlockDriverState *bs, int64_t offset, diff --git a/trace-events b/trace-events index f159ac9..d318d6f 100644 --- a/trace-events +++ b/trace-events @@ -60,6 +60,7 @@ bdrv_aio_discard(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs bdrv_aio_flush(void *bs, void *opaque) "bs %p opaque %p" bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p" bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p" +bdrv_aio_write_zeroes(void *bs, int64_t sector_num, int nb_sectors, int flags, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d flags %#x opaque %p" bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d" bdrv_co_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d" bdrv_co_copy_on_readv(void *bs, int64_t sector_num, int nb_sector) "bs %p sector_num %"PRId64" nb_sectors %d" -- 1.8.4.2