From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39360) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dcDSj-0004nt-HK for qemu-devel@nongnu.org; Mon, 31 Jul 2017 12:22:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dcDSi-0005PG-As for qemu-devel@nongnu.org; Mon, 31 Jul 2017 12:22:33 -0400 From: Anton Nefedov Date: Mon, 31 Jul 2017 19:21:56 +0300 Message-Id: <1501518125-29851-5-git-send-email-anton.nefedov@virtuozzo.com> In-Reply-To: <1501518125-29851-1-git-send-email-anton.nefedov@virtuozzo.com> References: <1501518125-29851-1-git-send-email-anton.nefedov@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v3 04/13] block: support BDRV_REQ_ALLOCATE in passthrough drivers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, den@virtuozzo.com, kwolf@redhat.com, mreitz@redhat.com, eblake@redhat.com, Anton Nefedov Support the flag if the underlying BDS supports it Signed-off-by: Anton Nefedov --- block/blkdebug.c | 3 ++- block/raw-format.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/block/blkdebug.c b/block/blkdebug.c index c19ab28..ef2d764 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -414,7 +414,8 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags, bs->supported_write_flags = BDRV_REQ_FUA & bs->file->bs->supported_write_flags; - bs->supported_zero_flags = (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP) & + bs->supported_zero_flags = + (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_ALLOCATE) & bs->file->bs->supported_zero_flags; ret = -EINVAL; diff --git a/block/raw-format.c b/block/raw-format.c index 142649e..fc97a7d 100644 --- a/block/raw-format.c +++ b/block/raw-format.c @@ -421,7 +421,8 @@ static int raw_open(BlockDriverState *bs, QDict *options, int flags, bs->sg = bs->file->bs->sg; bs->supported_write_flags = BDRV_REQ_FUA & bs->file->bs->supported_write_flags; - bs->supported_zero_flags = (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP) & + bs->supported_zero_flags = + (BDRV_REQ_FUA | BDRV_REQ_MAY_UNMAP | BDRV_REQ_ALLOCATE) & bs->file->bs->supported_zero_flags; if (bs->probed && !bdrv_is_read_only(bs)) { -- 2.7.4