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aio-posix: Don't count ctx->notifier as progress when polling

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The same logic exists in fd polling. This change is especially important
to avoid busy loop once we limit aio_notify_accept() to blocking
aio_poll().

Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180809132259.18402-2-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Fam Zheng 2018-08-09 21:22:58 +08:00
parent 2f0d8947a6
commit 70232b5253
1 changed files with 2 additions and 1 deletions
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3
util/aio-posix.c
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@ -494,7 +494,8 @@ static bool run_poll_handlers_once(AioContext *ctx)
QLIST_FOREACH_RCU(node, &ctx->aio_handlers, node) { QLIST_FOREACH_RCU(node, &ctx->aio_handlers, node) {
if (!node->deleted && node->io_poll && if (!node->deleted && node->io_poll &&
aio_node_check(ctx, node->is_external) && aio_node_check(ctx, node->is_external) &&
node->io_poll(node->opaque)) { node->io_poll(node->opaque) &&
node->opaque != &ctx->notifier) {
progress = true; progress = true;
} }