* [PATCH liburing 1/1] io_uring: update buffer update feature testing
@ 2021-08-26 11:13 Pavel Begunkov
2021-08-26 14:41 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Pavel Begunkov @ 2021-08-26 11:13 UTC (permalink / raw)
To: Jens Axboe, io-uring
IORING_FEAT_RSRC_TAGS came late, and it's the best way to check if a
ring supports resource (i.e. buffer or file) tagging and dynamic buffer
updates.
Signed-off-by: Pavel Begunkov <[email protected]>
---
test/rsrc_tags.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/test/rsrc_tags.c b/test/rsrc_tags.c
index 337fbb8..a82ba21 100644
--- a/test/rsrc_tags.c
+++ b/test/rsrc_tags.c
@@ -75,17 +75,17 @@ static int update_rsrc(struct io_uring *ring, int type, int nr, int off,
static bool has_rsrc_update(void)
{
struct io_uring ring;
- char buf[1024];
- struct iovec vec = {.iov_base = buf, .iov_len = sizeof(buf), };
int ret;
ret = io_uring_queue_init(1, &ring, 0);
- if (ret)
- return false;
+ if (ret) {
+ fprintf(stderr, "io_uring_queue_init() failed, %d\n", ret);
+ exit(1);
+ }
- ret = register_rsrc(&ring, TEST_IORING_RSRC_BUFFER, 1, &vec, NULL);
+ ret = ring.features & IORING_FEAT_RSRC_TAGS;
io_uring_queue_exit(&ring);
- return ret != -EINVAL;
+ return ret;
}
static int test_tags_generic(int nr, int type, void *rsrc, int ring_flags)
--
2.32.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH liburing 1/1] io_uring: update buffer update feature testing
2021-08-26 11:13 [PATCH liburing 1/1] io_uring: update buffer update feature testing Pavel Begunkov
@ 2021-08-26 14:41 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2021-08-26 14:41 UTC (permalink / raw)
To: Pavel Begunkov, io-uring
On 8/26/21 5:13 AM, Pavel Begunkov wrote:
> IORING_FEAT_RSRC_TAGS came late, and it's the best way to check if a
> ring supports resource (i.e. buffer or file) tagging and dynamic buffer
> updates.
Applied, thanks.
--
Jens Axboe
^ permalink raw reply [flat|nested] 2+ messages in thread
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