From: Max Reitz <mreitz@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>, qemu-block@nongnu.org
Cc: vsementsov@virtuozzo.com, s.reiter@proxmox.com,
qemu-devel@nongnu.org, t.lamprecht@proxmox.com,
stefanha@redhat.com, dietmar@proxmox.com
Subject: Re: [PATCH for-5.0 v2 2/3] block: Increase BB.in_flight for coroutine interfaces
Date: Tue, 7 Apr 2020 12:04:18 +0200 [thread overview]
Message-ID: <5c5ee71e-f2d7-201d-73d1-2ee9a68b042a@redhat.com> (raw)
In-Reply-To: <20200406171403.6761-3-kwolf@redhat.com>
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On 06.04.20 19:14, Kevin Wolf wrote:
> External callers of blk_co_*() don't currently increase the
> BlockBackend.in_flight counter, but calls from blk_aio_*() do, so there
> is an inconsistency whether the counter has been increased or not.
>
> This patch moves the actual operations to static functions that can
> later know they will always be called with in_flight increased exactly
> once, even for external callers using the blk_co_*() coroutine
> interfaces.
>
> If the public blk_co_*() interface is unused, remove it.
>
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
> include/sysemu/block-backend.h | 1 -
> block/block-backend.c | 94 +++++++++++++++++++++++++++-------
> 2 files changed, 76 insertions(+), 19 deletions(-)
Reviewed-by: Max Reitz <mreitz@redhat.com>
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next prev parent reply other threads:[~2020-04-07 10:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-06 17:14 [PATCH for-5.0 v2 0/3] block: Fix blk->in_flight during blk_wait_while_drained() Kevin Wolf
2020-04-06 17:14 ` [PATCH for-5.0 v2 1/3] block-backend: Reorder flush/pdiscard function definitions Kevin Wolf
2020-04-07 5:45 ` Vladimir Sementsov-Ogievskiy
2020-04-07 9:22 ` Max Reitz
2020-04-06 17:14 ` [PATCH for-5.0 v2 2/3] block: Increase BB.in_flight for coroutine interfaces Kevin Wolf
2020-04-07 6:41 ` Vladimir Sementsov-Ogievskiy
2020-04-07 8:52 ` Kevin Wolf
2020-04-07 9:10 ` Vladimir Sementsov-Ogievskiy
2020-04-07 9:48 ` Kevin Wolf
2020-04-07 10:00 ` Vladimir Sementsov-Ogievskiy
2020-04-07 10:04 ` Max Reitz [this message]
2020-04-07 10:15 ` Max Reitz
2020-04-07 11:13 ` Kevin Wolf
2020-04-07 11:27 ` Max Reitz
2020-04-06 17:14 ` [PATCH for-5.0 v2 3/3] block: Fix blk->in_flight during blk_wait_while_drained() Kevin Wolf
2020-04-07 6:52 ` Vladimir Sementsov-Ogievskiy
2020-04-07 8:59 ` Kevin Wolf
2020-04-07 9:15 ` Vladimir Sementsov-Ogievskiy
2020-04-07 10:12 ` Max Reitz
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