From 648296e067e617e140032c0ab329fb89ffb92aaa Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Thu, 9 Jul 2015 10:56:45 +0100 Subject: [PATCH] block-backend: add blk_get_max_iov() 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 36ccc9e616..f41d326b3c 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 fb068ea47b..dc244760a1 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); -- 2.11.0