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Re: [Qemu-devel] [PATCH] block/mirror: Fix passing wrong argument to tra
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH] block/mirror: Fix passing wrong argument to trace_mirror_yield |
Date: |
Mon, 28 Nov 2016 23:43:23 +0800 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Mon, 11/28 16:58, Yang Wei wrote:
> mirror_yield is defined in block/trace-event, just like the following:
> mirror_yield(void *s, int64_t cnt, int buf_free_count, int in_flight)
> so we should exchange arguement 2 and 4 while invoking it.
>
> Signed-off-by: Yang Wei <address@hidden>
> ---
> block/mirror.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/block/mirror.c b/block/mirror.c
> index 301ba92..2846a2e 100644
> --- a/block/mirror.c
> +++ b/block/mirror.c
> @@ -577,7 +577,7 @@ static int coroutine_fn mirror_dirty_init(MirrorBlockJob
> *s)
> }
>
> if (s->in_flight >= MAX_IN_FLIGHT) {
> - trace_mirror_yield(s, s->in_flight, s->buf_free_count, -1);
> + trace_mirror_yield(s, -1, s->buf_free_count, s->in_flight);
> mirror_wait_for_io(s);
> continue;
> }
> @@ -730,7 +730,7 @@ static void coroutine_fn mirror_run(void *opaque)
> s->common.iostatus == BLOCK_DEVICE_IO_STATUS_OK) {
> if (s->in_flight >= MAX_IN_FLIGHT || s->buf_free_count == 0 ||
> (cnt == 0 && s->in_flight > 0)) {
> - trace_mirror_yield(s, s->in_flight, s->buf_free_count, cnt);
> + trace_mirror_yield(s, cnt, s->buf_free_count, s->in_flight);
> mirror_wait_for_io(s);
> continue;
> } else if (cnt != 0) {
> --
> 2.10.2
>
>
Reviewed-by: Fam Zheng <address@hidden>