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block: prepare bdrv_reopen_multiple to release AioContext

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After the next patch bdrv_drain_all will have to be called without holding any
AioContext.  Prepare to do this by adding an AioContext argument to
bdrv_reopen_multiple.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1477565348-5458-15-git-send-email-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-10-27 12:49:02 +02:00 • committed by Fam Zheng
parent 8dd9006e9b
commit 720150f318
5 changed files with 7 additions and 6 deletions
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2
qemu-io-cmds.c
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@ -1956,7 +1956,7 @@ static int reopen_f(BlockBackend *blk, int argc, char **argv)
qemu_opts_reset(&reopen_opts);
brq = bdrv_reopen_queue(NULL, bs, opts, flags);
bdrv_reopen_multiple(brq, &local_err);
bdrv_reopen_multiple(bdrv_get_aio_context(bs), brq, &local_err);
if (local_err) {
error_report_err(local_err);
} else {