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[Qemu-devel] [PULL 05/17] aio-posix: Don't count ctx->notifier as progre
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PULL 05/17] aio-posix: Don't count ctx->notifier as progress when polling |
Date: |
Wed, 15 Aug 2018 11:12:36 +0800 |
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: address@hidden
Signed-off-by: Fam Zheng <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Fam Zheng <address@hidden>
---
util/aio-posix.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/util/aio-posix.c b/util/aio-posix.c
index 118bf5784b..b5c7f463aa 100644
--- a/util/aio-posix.c
+++ b/util/aio-posix.c
@@ -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;
}
--
2.17.1
- [Qemu-devel] [PULL 00/17] Block and testing patches, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 01/17] tests/vm: Only use -cpu 'host' if KVM is available, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 02/17] tests/vm: Add flex and bison to the vm image, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 05/17] aio-posix: Don't count ctx->notifier as progress when polling,
Fam Zheng <=
- [Qemu-devel] [PULL 04/17] nvme: simplify plug/unplug, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 03/17] nvme: Fix nvme_init error handling, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 06/17] aio: Do aio_notify_accept only during blocking aio_poll, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 09/17] tests: Allow overriding archive path with SRC_ARCHIVE, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 10/17] tests: Add centos VM testing, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 08/17] tests: Add an option for snapshot (default: off), Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 13/17] tests/vm: Propagate V=1 down into the make inside the VM, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 11/17] tests: vm: Add vm-clean-all, Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 12/17] tests/vm: Pass the jobs parallelism setting to 'make check', Fam Zheng, 2018/08/14
- [Qemu-devel] [PULL 07/17] docker: Install more packages in centos7, Fam Zheng, 2018/08/14