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From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Kevin Wolf <kwolf@redhat.com>, Max Reitz <mreitz@redhat.com>,
	qemu-block@nongnu.org
Subject: [Qemu-devel] [PATCH RFC 03/16] blockjob: Add BLK_PERM_AIO_CONTEXT_CHANGE shared perm on bs
Date: Tue, 21 Mar 2017 11:16:22 +0800	[thread overview]
Message-ID: <20170321031635.22123-4-famz@redhat.com> (raw)
In-Reply-To: <20170321031635.22123-1-famz@redhat.com>

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 blockjob.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/blockjob.c b/blockjob.c
index 69126af..3fd84b7 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -197,6 +197,9 @@ void *block_job_create(const char *job_id, const BlockJobDriver *driver,
         }
     }
 
+    /* The notifier we'll register on @blk takes care of following context
+     * change, so permit it. */
+    shared_perm |= BLK_PERM_AIO_CONTEXT_CHANGE;
     blk = blk_new(perm, shared_perm);
     ret = blk_insert_bs(blk, bs, errp);
     if (ret < 0) {
-- 
2.9.3

  parent reply	other threads:[~2017-03-21  3:17 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-21  3:16 [Qemu-devel] [PATCH RFC 00/16] block: Protect AIO context change with perm API Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 01/16] block: Define BLK_PERM_AIO_CONTEXT_CHANGE Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 02/16] block-backend: Add blk_request_perm Fam Zheng
2017-03-21  3:16 ` Fam Zheng [this message]
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 04/16] block: Propagate BLK_PERM_AIO_CONTEXT_CHANGE down the graph Fam Zheng
2017-04-10  8:57   ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2017-04-18  9:24     ` Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 05/16] backup: Request BLK_PERM_AIO_CONTEXT_CHANGE on target Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 06/16] backup: Do initial aio context move of target via BB interface Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 07/16] mirror: Request aio context change permission on target Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 08/16] commit: Allow aio context change on s->base Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 09/16] mirror: Do initial aio context move of target via BB interface Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 10/16] virtio-scsi: Request BLK_PERM_AIO_CONTEXT_CHANGE for dataplane Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 11/16] virtio-blk: " Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 12/16] blk: fix aio context loss on media change Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 13/16] nbd: Allow BLK_PERM_AIO_CONTEXT_CHANGE on BB Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 14/16] block: Add perm assertion on blk_set_aio_context Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 15/16] mirror: Lazily request aio context change permission on target Fam Zheng
2017-03-21  3:16 ` [Qemu-devel] [PATCH RFC 16/16] Revert "mirror: Request aio context change permission on target" Fam Zheng
2017-04-10  9:04 ` [Qemu-devel] [Qemu-block] [PATCH RFC 00/16] block: Protect AIO context change with perm API Stefan Hajnoczi
2017-04-10 10:58   ` Fam Zheng

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