Commit 37a81812 authored by Fam Zheng's avatar Fam Zheng
Browse files

aio-posix: Improve comment around marking node deleted 



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

Suggested-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarFam Zheng <famz@redhat.com>
Message-Id: <20180803063917.30292-1-famz@redhat.com>
Signed-off-by: default avatarFam Zheng <famz@redhat.com>
parent af7e9168

util/aio-posix.c

+1 −1
Original line number Diff line number Diff line
@@ -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;