From 815d053228bffeb0c2774f283c249ddf7f5fb03e Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 18 Oct 2013 08:14:46 +0200 Subject: [PATCH 21/81] block: add default get_block_status implementation for protocols RH-Author: Paolo Bonzini Message-id: <1382084091-16636-22-git-send-email-pbonzini@redhat.com> Patchwork-id: 55004 O-Subject: [RHEL 7.0 qemu-kvm PATCH 21/26] block: add default get_block_status implementation for protocols Bugzilla: 989646 RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Max Reitz RH-Acked-by: Kevin Wolf Protocols return raw data, so you can assume the offsets to pass through unchanged. Reviewed-by: Eric Blake Signed-off-by: Paolo Bonzini (cherry picked from commit 918e92d71b38306a6bf4fedfd1109367f1425587) --- block.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) Signed-off-by: Miroslav Rezanina --- block.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/block.c b/block.c index 36a2f24..2a4a9dd 100644 --- a/block.c +++ b/block.c @@ -3060,7 +3060,11 @@ static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs, if (!bs->drv->bdrv_co_get_block_status) { *pnum = nb_sectors; - return BDRV_BLOCK_DATA; + ret = BDRV_BLOCK_DATA; + if (bs->drv->protocol_name) { + ret |= BDRV_BLOCK_OFFSET_VALID | (sector_num * BDRV_SECTOR_SIZE); + } + return ret; } ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum); -- 1.7.1