From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34922) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZD8Zd-0006Km-Bz for qemu-devel@nongnu.org; Thu, 09 Jul 2015 05:56:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZD8Zc-000099-Ii for qemu-devel@nongnu.org; Thu, 09 Jul 2015 05:56:57 -0400 From: Stefan Hajnoczi Date: Thu, 9 Jul 2015 10:56:45 +0100 Message-Id: <1436435807-29422-3-git-send-email-stefanha@redhat.com> In-Reply-To: <1436435807-29422-1-git-send-email-stefanha@redhat.com> References: <1436435807-29422-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH for-2.5 v2 2/4] 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: Kevin Wolf , Stefan Hajnoczi , qemu-block@nongnu.org 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 aee8a12..5108aec 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -777,6 +777,11 @@ int blk_get_max_transfer_length(BlockBackend *blk) return blk->bs->bl.max_transfer_length; } +int blk_get_max_iov(BlockBackend *blk) +{ + return blk->bs->bl.max_iov; +} + void blk_set_guest_block_size(BlockBackend *blk, int align) { bdrv_set_guest_block_size(blk->bs, align); diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 8fc960f..c114440 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -135,6 +135,7 @@ 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); -- 2.4.3