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[Qemu-block] [PATCH v2 4/7] block: remove extra condition in bdrv_can_wr
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From: |
Denis V. Lunev |
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Subject: |
[Qemu-block] [PATCH v2 4/7] block: remove extra condition in bdrv_can_write_zeroes_with_unmap |
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Date: |
Thu, 7 Jul 2016 12:35:19 +0300 |
All nowadays .bdrv_co_write_zeroes callbacks could perfectly work even
with backing store attached. If future new callbacks will unable to do
that - they have a chance to block this in bdrv_get_info().
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Stefan Hajnoczi <address@hidden>
CC: Fam Zheng <address@hidden>
CC: Kevin Wolf <address@hidden>
CC: Max Reitz <address@hidden>
CC: Jeff Cody <address@hidden>
CC: Eric Blake <address@hidden>
---
block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 823ff1d..c2fb8bd 100644
--- a/block.c
+++ b/block.c
@@ -2834,7 +2834,7 @@ bool bdrv_can_write_zeroes_with_unmap(BlockDriverState
*bs)
{
BlockDriverInfo bdi;
- if (bs->backing || !(bs->open_flags & BDRV_O_UNMAP)) {
+ if (!(bs->open_flags & BDRV_O_UNMAP)) {
return false;
}
--
2.5.0