From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45994) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBIiW-0001Io-FN for qemu-devel@nongnu.org; Tue, 22 Dec 2015 03:54:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aBIiV-0007YP-Jp for qemu-devel@nongnu.org; Tue, 22 Dec 2015 03:54:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39939) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBIiV-0007YJ-EO for qemu-devel@nongnu.org; Tue, 22 Dec 2015 03:54:47 -0500 From: Stefan Hajnoczi Date: Tue, 22 Dec 2015 16:54:13 +0800 Message-Id: <1450774460-17259-4-git-send-email-stefanha@redhat.com> In-Reply-To: <1450774460-17259-1-git-send-email-stefanha@redhat.com> References: <1450774460-17259-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 03/10] block-backend: add blk_get_max_iov() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Stefan Hajnoczi Add a function to query BlockLimits.max_iov. Signed-off-by: Stefan Hajnoczi --- block/block-backend.c | 5 +++++ include/sysemu/block-backend.h | 1 + 2 files changed, 6 insertions(+) diff --git a/block/block-backend.c b/block/block-backend.c index 36ccc9e..f41d326 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1023,6 +1023,11 @@ int blk_get_max_transfer_length(BlockBackend *blk) } } +int blk_get_max_iov(BlockBackend *blk) +{ + return blk->bs->bl.max_iov; +} + void blk_set_guest_block_size(BlockBackend *blk, int align) { blk->guest_block_size = align; diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index fb068ea4..dc24476 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -146,6 +146,7 @@ void blk_lock_medium(BlockBackend *blk, bool locked); void blk_eject(BlockBackend *blk, bool eject_flag); int blk_get_flags(BlockBackend *blk); int blk_get_max_transfer_length(BlockBackend *blk); +int blk_get_max_iov(BlockBackend *blk); void blk_set_guest_block_size(BlockBackend *blk, int align); void *blk_blockalign(BlockBackend *blk, size_t size); bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp); -- 2.5.0