[Qemu-devel] [PULL 17/17] aio-posix: Improve comment around marking node deleted

From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>
Subject: [Qemu-devel] [PULL 17/17] aio-posix: Improve comment around marking node deleted
Date: Wed, 15 Aug 2018 11:12:48 +0800	[thread overview]
Message-ID: <20180815031248.14908-18-famz@redhat.com> (raw)
In-Reply-To: <20180815031248.14908-1-famz@redhat.com>

The counter is for qemu_lockcnt_inc/dec sections (read side),
qemu_lockcnt_lock/unlock is for the write side.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180803063917.30292-1-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
---
 util/aio-posix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/aio-posix.c b/util/aio-posix.c
index b5c609b68b..131ba6b4a8 100644
--- a/util/aio-posix.c
+++ b/util/aio-posix.c
@@ -232,7 +232,7 @@ void aio_set_fd_handler(AioContext *ctx,
             g_source_remove_poll(&ctx->source, &node->pfd);
         }
 
-        /* If the lock is held, just mark the node as deleted */
+        /* If a read is in progress, just mark the node as deleted */
         if (qemu_lockcnt_count(&ctx->list_lock)) {
             node->deleted = 1;
             node->pfd.revents = 0;
-- 
2.17.1
