From: Max Reitz <mreitz@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>, Fam Zheng <famz@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 03/11] blockdev: acquire AioContext in blockdev_mark_auto_del()
Date: Wed, 01 Oct 2014 20:39:07 +0200 [thread overview]
Message-ID: <542C4A4B.9080306@redhat.com> (raw)
In-Reply-To: <1412182919-9550-4-git-send-email-stefanha@redhat.com>
On 01.10.2014 19:01, Stefan Hajnoczi wrote:
> When an emulated storage controller is unrealized it will call
> blockdev_mark_auto_del(). This will cancel any running block job (and
> that eventually releases its reference to the BDS so it can be freed).
>
> Since the block job may be executing in another AioContext we must
> acquire/release to ensure thread safety.
>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> blockdev.c | 7 +++++++
> 1 file changed, 7 insertions(+)
Reviewed-by: Max Reitz <mreitz@redhat.com>
next prev parent reply other threads:[~2014-10-01 18:39 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-01 17:01 [Qemu-devel] [PATCH 00/11] block: allow blockjobs to coexist with dataplane Stefan Hajnoczi
2014-10-01 17:01 ` [Qemu-devel] [PATCH 01/11] block: acquire AioContext in generic blockjob QMP commands Stefan Hajnoczi
2014-10-01 18:27 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 02/11] blockdev: acquire AioContext in do_qmp_query_block_jobs_one() Stefan Hajnoczi
2014-10-01 18:32 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 03/11] blockdev: acquire AioContext in blockdev_mark_auto_del() Stefan Hajnoczi
2014-10-01 18:39 ` Max Reitz [this message]
2014-10-01 17:01 ` [Qemu-devel] [PATCH 04/11] blockdev: add note that block_job_cb() must be thread-safe Stefan Hajnoczi
2014-10-01 18:42 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 05/11] blockjob: add block_job_defer_to_main_loop() Stefan Hajnoczi
2014-10-01 19:06 ` Max Reitz
2014-10-02 14:58 ` Stefan Hajnoczi
2014-10-01 17:01 ` [Qemu-devel] [PATCH 06/11] block: add bdrv_drain() Stefan Hajnoczi
2014-10-01 19:15 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 07/11] block: let backup blockjob run in BDS AioContext Stefan Hajnoczi
2014-10-01 19:38 ` Max Reitz
2014-10-02 15:08 ` Stefan Hajnoczi
2014-10-04 19:54 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 08/11] block: let stream " Stefan Hajnoczi
2014-10-04 20:48 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 09/11] block: let mirror " Stefan Hajnoczi
2014-10-04 21:07 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 10/11] block: let commit " Stefan Hajnoczi
2014-10-04 21:28 ` Max Reitz
2014-10-06 9:30 ` Stefan Hajnoczi
2014-10-07 15:18 ` Max Reitz
2014-10-01 17:01 ` [Qemu-devel] [PATCH 11/11] block: declare blockjobs and dataplane friends! Stefan Hajnoczi
2014-10-04 21:30 ` Max Reitz
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