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[Qemu-stable] [PATCH 02/10] block: add missed aio_context_acquire around
From: |
Denis V. Lunev |
Subject: |
[Qemu-stable] [PATCH 02/10] block: add missed aio_context_acquire around bdrv_set_aio_context |
Date: |
Tue, 3 Nov 2015 17:12:05 +0300 |
It is required for bdrv_drain.
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Stefan Hajnoczi <address@hidden>
---
block/block-backend.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/block/block-backend.c b/block/block-backend.c
index 19fdaae..07fcfc7 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1065,7 +1065,10 @@ static AioContext *blk_aiocb_get_aio_context(BlockAIOCB
*acb)
void blk_set_aio_context(BlockBackend *blk, AioContext *new_context)
{
if (blk->bs) {
+ AioContext *ctx = blk_get_aio_context(blk);
+ aio_context_acquire(ctx);
bdrv_set_aio_context(blk->bs, new_context);
+ aio_context_release(ctx);
}
}
--
2.5.0
- [Qemu-stable] [PATCH QEMU 2.5 v4 0/10] dataplane snapshot fixes + aio_poll fixes, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 01/10] migration: add missed aio_context_acquire for state writing/reading, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 02/10] block: add missed aio_context_acquire around bdrv_set_aio_context,
Denis V. Lunev <=
- [Qemu-stable] [PATCH 03/10] migration: added missed aio_context_acquire around bdrv_snapshot_delete, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 05/10] block: guard bdrv_drain in bdrv_close with aio_context_acquire, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 04/10] blockdev: acquire AioContext in hmp_commit(), Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 07/10] block: call aio_context_acquire in qemu_img/nbd/io, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 08/10] fifolock: create rfifolock_is_owner helper, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 06/10] io: guard aio_poll with aio_context_acquire, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 09/10] aio_context: create aio_context_is_owner helper, Denis V. Lunev, 2015/11/03
- [Qemu-stable] [PATCH 10/10] aio: change aio_poll constraints, Denis V. Lunev, 2015/11/03