From b9d7b6bbaa64404eb9b4a65d0af841bfae5c9089 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Mon, 11 Jul 2016 05:33:36 +0200 Subject: [PATCH 3/7] block-backend: expose bs->bl.max_transfer_length RH-Author: Fam Zheng Message-id: <1468215219-30793-4-git-send-email-famz@redhat.com> Patchwork-id: 71107 O-Subject: [RHEL-7.3 qemu-kvm PATCH 3/6] block-backend: expose bs->bl.max_transfer_length Bugzilla: 1318199 RH-Acked-by: Stefan Hajnoczi RH-Acked-by: John Snow RH-Acked-by: Paolo Bonzini From: Peter Lieven Signed-off-by: Peter Lieven Reviewed-by: Max Reitz Signed-off-by: Kevin Wolf (cherry picked from commit 454057b7d9b9ad141bd5df8c4075745e56b4870f) Signed-off-by: Miroslav Rezanina Conflicts: block/block-backend.c include/sysemu/block-backend.h Downstream doesn't have BlockBackend yet, so "blk_" -> "bdrv_" and put the function in block.c. Signed-off-by: Fam Zheng --- block.c | 5 +++++ include/block/block.h | 1 + 2 files changed, 6 insertions(+) diff --git a/block.c b/block.c index ae756aa..bdcd741 100644 --- a/block.c +++ b/block.c @@ -3656,6 +3656,11 @@ int bdrv_get_flags(BlockDriverState *bs) return bs->open_flags; } +int bdrv_get_max_transfer_length(BlockDriverState *bs) +{ + return bs->bl.max_transfer_length; +} + int bdrv_flush_all(void) { BlockDriverState *bs; diff --git a/include/block/block.h b/include/block/block.h index 75147b2..d29733a 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -379,6 +379,7 @@ void bdrv_iterate_format(void (*it)(void *opaque, const char *name), void *opaque); const char *bdrv_get_device_name(BlockDriverState *bs); int bdrv_get_flags(BlockDriverState *bs); +int bdrv_get_max_transfer_length(BlockDriverState *bs); int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num, const uint8_t *buf, int nb_sectors); int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi); -- 1.8.3.1