aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAkihiko Odaki <akihiko.odaki@gmail.com>2021-07-05 22:04:58 +0900
committerStefan Hajnoczi <stefanha@redhat.com>2021-07-06 14:28:55 +0100
commit9f460c64e13897117f35ffb61f6f5e0102cabc70 (patch)
tree3f33b9e9ade124bcd6638a3687f4aa9a0f2976de
parent12a521b56d0538ca0363dd79db8f359cef40da69 (diff)
block/io: Merge discard request alignments
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com> Message-id: 20210705130458.97642-3-akihiko.odaki@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--block/io.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/io.c b/block/io.c
index cf177a9d2d..e0a689c584 100644
--- a/block/io.c
+++ b/block/io.c
@@ -125,6 +125,8 @@ void bdrv_parent_drained_begin_single(BdrvChild *c, bool poll)
static void bdrv_merge_limits(BlockLimits *dst, const BlockLimits *src)
{
+ dst->pdiscard_alignment = MAX(dst->pdiscard_alignment,
+ src->pdiscard_alignment);
dst->opt_transfer = MAX(dst->opt_transfer, src->opt_transfer);
dst->max_transfer = MIN_NON_ZERO(dst->max_transfer, src->max_transfer);
dst->max_hw_transfer = MIN_NON_ZERO(dst->max_hw_transfer,