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From: Stefan Hajnoczi <stefanha@redhat.com>
To: qemu-devel@nongnu.org, Peter Maydell <peter.maydell@linaro.org>
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
	Akihiko Odaki <akihiko.odaki@gmail.com>,
	qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>, John Snow <jsnow@redhat.com>
Subject: [PULL 5/5] block/io: Merge discard request alignments
Date: Thu,  8 Jul 2021 14:11:43 +0100	[thread overview]
Message-ID: <20210708131143.240647-6-stefanha@redhat.com> (raw)
In-Reply-To: <20210708131143.240647-1-stefanha@redhat.com>

From: Akihiko Odaki <akihiko.odaki@gmail.com>

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>
---
 block/io.c | 2 ++
 1 file changed, 2 insertions(+)

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,
-- 
2.31.1


  parent reply	other threads:[~2021-07-08 13:19 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-08 13:11 [PULL 0/5] Block patches Stefan Hajnoczi
2021-07-08 13:11 ` [PULL 1/5] util/async: add a human-readable name to BHs for debugging Stefan Hajnoczi
2021-07-08 13:11 ` [PULL 2/5] util/async: print leaked BH name when AioContext finalizes Stefan Hajnoczi
2021-07-08 13:11 ` [PULL 3/5] block/file-posix: Optimize for macOS Stefan Hajnoczi
2021-07-08 13:11 ` [PULL 4/5] block: Add backend_defaults property Stefan Hajnoczi
2021-07-08 13:11 ` Stefan Hajnoczi [this message]
2021-07-09 13:29 ` [PULL 0/5] Block patches Peter Maydell

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