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Re: [Qemu-block] [PATCH v6 2/2] iothread: let aio_epoll_disable fit to a
From: |
Peter Xu |
Subject: |
Re: [Qemu-block] [PATCH v6 2/2] iothread: let aio_epoll_disable fit to aio_context_destroy |
Date: |
Thu, 17 May 2018 14:22:58 +0800 |
User-agent: |
Mutt/1.9.3 (2018-01-21) |
On Thu, May 17, 2018 at 10:26:17AM +0800, Jie Wang wrote:
> epoll_available will only be set if epollfd != -1, os we
> can swap the two variables in aio_epoll_disable, and
> aio_context_destroy can call aio_epoll_disable directly.
>
> Signed-off-by: Jie Wang <address@hidden>
> ---
> util/aio-posix.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/util/aio-posix.c b/util/aio-posix.c
> index 0ade2c7..118bf57 100644
> --- a/util/aio-posix.c
> +++ b/util/aio-posix.c
> @@ -45,11 +45,11 @@ struct AioHandler
>
> static void aio_epoll_disable(AioContext *ctx)
> {
> - ctx->epoll_available = false;
> - if (!ctx->epoll_enabled) {
> + ctx->epoll_enabled = false;
> + if (!ctx->epoll_available) {
> return;
> }
> - ctx->epoll_enabled = false;
> + ctx->epoll_available = false;
> close(ctx->epollfd);
> }
>
> @@ -716,9 +716,7 @@ void aio_context_setup(AioContext *ctx)
> void aio_context_destroy(AioContext *ctx)
> {
> #ifdef CONFIG_EPOLL_CREATE1
> - if (ctx->epollfd >= 0) {
> - close(ctx->epollfd);
> - }
> + aio_epoll_disable(ctx);
Hmm... I think this patch should be the first if to split.
Anyway, IMHO version 5 is already good enough and has got r-bs, no
need to bother reposting a version 7. Maintainer could possibly touch
up the commit message if necessary.
Thanks,
> #endif
> }
>
> --
> 1.8.3.1
>
--
Peter Xu