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author | Denis V. Lunev | 2016-07-14 15:33:26 +0200 |
---|---|---|
committer | Jeff Cody | 2016-07-19 22:54:46 +0200 |
commit | 2f0342efdbb0a3c5b5a6a4f4831cbe90c445510b (patch) | |
tree | 0faac84059f301d83c6322fc595defffa6ab16c2 /block.c | |
parent | mirror: create mirror_dirty_init helper for mirror_run (diff) | |
download | qemu-2f0342efdbb0a3c5b5a6a4f4831cbe90c445510b.tar.gz qemu-2f0342efdbb0a3c5b5a6a4f4831cbe90c445510b.tar.xz qemu-2f0342efdbb0a3c5b5a6a4f4831cbe90c445510b.zip |
block: remove extra condition in bdrv_can_write_zeroes_with_unmap
All .bdrv_co_write_zeroes callbacks nowadays work perfectly even
with backing store attached. If future new callbacks would be unable to do
that - they have a chance to block this in bdrv_get_info().
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 1468503209-19498-6-git-send-email-den@openvz.org
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
CC: Max Reitz <mreitz@redhat.com>
CC: Jeff Cody <jcody@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Diffstat (limited to 'block.c')
-rw-r--r-- | block.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -2837,7 +2837,7 @@ 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; } |