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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: 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>
This commit is contained in:
Fam Zheng 2018-08-03 14:39:17 +08:00
parent af7e916869
commit 37a81812f7
1 changed files with 1 additions and 1 deletions
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2
util/aio-posix.c
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@ -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;