Commit 70232b52 authored by Fam Zheng's avatar Fam Zheng
Browse files

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



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: default avatarFam Zheng <famz@redhat.com>
Message-Id: <20180809132259.18402-2-famz@redhat.com>
Signed-off-by: default avatarFam Zheng <famz@redhat.com>
parent 2f0d8947

util/aio-posix.c

+2 −1
Original line number Diff line number Diff line
@@ -494,7 +494,8 @@ static bool run_poll_handlers_once(AioContext *ctx) 
    QLIST_FOREACH_RCU(node, &ctx->aio_handlers, node) {

        if (!node->deleted && node->io_poll &&

            aio_node_check(ctx, node->is_external) &&

            node->io_poll(node->opaque)) {

            node->io_poll(node->opaque) &&

            node->opaque != &ctx->notifier) {

            progress = true;

        }