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[Qemu-block] [PATCH v2 08/16] mirror: Request aio context change permiss
From: |
Fam Zheng |
Subject: |
[Qemu-block] [PATCH v2 08/16] mirror: Request aio context change permission on target |
Date: |
Wed, 19 Apr 2017 17:43:48 +0800 |
What's done in the source's context change notifier is moving the
target's context to follow the new one, so we request this permission
here.
Signed-off-by: Fam Zheng <address@hidden>
---
block/mirror.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/mirror.c b/block/mirror.c
index 7ab3289..fe2fb7a 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -1189,6 +1189,7 @@ static void mirror_start_job(const char *job_id,
BlockDriverState *bs,
target_is_backing = bdrv_chain_contains(bs, target);
target_graph_mod = (backing_mode != MIRROR_LEAVE_BACKING_CHAIN);
s->target = blk_new(BLK_PERM_WRITE | BLK_PERM_RESIZE |
+ BLK_PERM_AIO_CONTEXT_CHANGE |
(target_graph_mod ? BLK_PERM_GRAPH_MOD : 0),
BLK_PERM_WRITE_UNCHANGED |
(target_is_backing ? BLK_PERM_CONSISTENT_READ |
--
2.9.3
- [Qemu-block] [PATCH v2 00/16] block: Protect AIO context change with perm API, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 01/16] block: Define BLK_PERM_AIO_CONTEXT_CHANGE, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 02/16] block-backend: Add blk_request_perm, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 03/16] blockjob: Add BLK_PERM_AIO_CONTEXT_CHANGE shared perm on bs, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 04/16] blockjob: Allow aio context change on intermediate nodes, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 05/16] block: Propagate BLK_PERM_AIO_CONTEXT_CHANGE down the graph, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 06/16] backup: Request BLK_PERM_AIO_CONTEXT_CHANGE on target, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 07/16] backup: Do initial aio context move of target via BB interface, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 09/16] commit: Allow aio context change on s->base, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 08/16] mirror: Request aio context change permission on target,
Fam Zheng <=
- [Qemu-block] [PATCH v2 10/16] mirror: Do initial aio context move of target via BB interface, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 11/16] virtio-scsi: Request BLK_PERM_AIO_CONTEXT_CHANGE for dataplane, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 12/16] virtio-blk: Request BLK_PERM_AIO_CONTEXT_CHANGE for dataplane, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 13/16] blk: fix aio context loss on media change, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 14/16] nbd: Allow BLK_PERM_AIO_CONTEXT_CHANGE on BB, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 15/16] block: Add perm assertion on blk_set_aio_context, Fam Zheng, 2017/04/19
- [Qemu-block] [PATCH v2 16/16] tests: Add test case for BLK_PERM_AIO_CONTEXT_CHANGE, Fam Zheng, 2017/04/19