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From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, mreitz@redhat.com, famz@redhat.com,
	qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH for-2.9 1/2] commit: Set commit_top_bs->aio_context
Date: Thu,  6 Apr 2017 19:14:10 +0200	[thread overview]
Message-ID: <1491498851-16709-2-git-send-email-kwolf@redhat.com> (raw)
In-Reply-To: <1491498851-16709-1-git-send-email-kwolf@redhat.com>

The filter driver that is inserted by the commit job needs to use the
same AioContext as its parent and child nodes.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/commit.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/commit.c b/block/commit.c
index 2832482..4c38220 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -335,6 +335,7 @@ void commit_start(const char *job_id, BlockDriverState *bs,
     if (commit_top_bs == NULL) {
         goto fail;
     }
+    bdrv_set_aio_context(commit_top_bs, bdrv_get_aio_context(top));
 
     bdrv_set_backing_hd(commit_top_bs, top, &local_err);
     if (local_err) {
@@ -482,6 +483,7 @@ int bdrv_commit(BlockDriverState *bs)
         error_report_err(local_err);
         goto ro_cleanup;
     }
+    bdrv_set_aio_context(commit_top_bs, bdrv_get_aio_context(backing_file_bs));
 
     bdrv_set_backing_hd(commit_top_bs, backing_file_bs, &error_abort);
     bdrv_set_backing_hd(bs, commit_top_bs, &error_abort);
-- 
1.8.3.1

  reply	other threads:[~2017-04-06 17:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-06 17:14 [Qemu-devel] [PATCH for-2.9 0/2] commit: Fix commit_top_bs problems Kevin Wolf
2017-04-06 17:14 ` Kevin Wolf [this message]
2017-04-06 17:35   ` [Qemu-devel] [PATCH for-2.9 1/2] commit: Set commit_top_bs->aio_context Eric Blake
2017-04-06 17:14 ` [Qemu-devel] [PATCH for-2.9 2/2] commit: Set commit_top_bs->total_sectors Kevin Wolf
2017-04-06 17:36   ` Eric Blake
2017-04-07  7:14 ` [Qemu-devel] [PATCH for-2.9 0/2] commit: Fix commit_top_bs problems Fam Zheng

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