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Fix the hang in the nvme:// block driver during startup.
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

Fix the hang in the nvme:// block driver during startup.

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# gpg: Signature made Mon 17 Jul 2023 02:21:30 PM BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  block/nvme: invoke blk_io_plug_call() outside q->lock

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-07-17 15:49:27 +01:00
parent 08572022e5 66547f416a
commit 361d539735
1 changed files with 2 additions and 1 deletions
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3
block/nvme.c
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@ -501,8 +501,9 @@ static void nvme_submit_command(NVMeQueuePair *q, NVMeRequest *req,
q->sq.tail * NVME_SQ_ENTRY_BYTES, cmd, sizeof(*cmd));
q->sq.tail = (q->sq.tail + 1) % NVME_QUEUE_SIZE;
q->need_kick++;
blk_io_plug_call(nvme_unplug_fn, q);
qemu_mutex_unlock(&q->lock);
blk_io_plug_call(nvme_unplug_fn, q);
}
static void nvme_admin_cmd_sync_cb(void *opaque, int ret)