diff options
| author | Quanfa Fu <quanfafu@gmail.com> | 2023-01-15 10:15:19 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-30 01:17:40 +0300 |
| commit | 88b80534f60f5ddf5f42218b280e0370f95eae78 (patch) | |
| tree | 8717a3486de6024d89fb6940f4d5d922657bb122 /io_uring | |
| parent | c3f4d39ee4bc06f975ff45012398342ff276eb69 (diff) | |
| download | linux-88b80534f60f5ddf5f42218b280e0370f95eae78.tar.xz | |
io_uring: make io_sqpoll_wait_sq return void
Change the return type to void since it always return 0, and no need
to do the checking in syscall io_uring_enter.
Signed-off-by: Quanfa Fu <quanfafu@gmail.com>
Link: https://lore.kernel.org/r/20230115071519.554282-1-quanfafu@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io_uring.c | 8 | ||||
| -rw-r--r-- | io_uring/sqpoll.c | 3 | ||||
| -rw-r--r-- | io_uring/sqpoll.h | 2 |
3 files changed, 5 insertions, 8 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 653361746203..8fddc010ffe2 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -3412,11 +3412,9 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit, } if (flags & IORING_ENTER_SQ_WAKEUP) wake_up(&ctx->sq_data->wait); - if (flags & IORING_ENTER_SQ_WAIT) { - ret = io_sqpoll_wait_sq(ctx); - if (ret) - goto out; - } + if (flags & IORING_ENTER_SQ_WAIT) + io_sqpoll_wait_sq(ctx); + ret = to_submit; } else if (to_submit) { ret = io_uring_add_tctx_node(ctx); diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c index 559652380672..0119d3f1a556 100644 --- a/io_uring/sqpoll.c +++ b/io_uring/sqpoll.c @@ -312,7 +312,7 @@ static int io_sq_thread(void *data) do_exit(0); } -int io_sqpoll_wait_sq(struct io_ring_ctx *ctx) +void io_sqpoll_wait_sq(struct io_ring_ctx *ctx) { DEFINE_WAIT(wait); @@ -327,7 +327,6 @@ int io_sqpoll_wait_sq(struct io_ring_ctx *ctx) } while (!signal_pending(current)); finish_wait(&ctx->sqo_sq_wait, &wait); - return 0; } __cold int io_sq_offload_create(struct io_ring_ctx *ctx, diff --git a/io_uring/sqpoll.h b/io_uring/sqpoll.h index 0c3fbcd1f583..e1b8d508d22d 100644 --- a/io_uring/sqpoll.h +++ b/io_uring/sqpoll.h @@ -26,4 +26,4 @@ void io_sq_thread_stop(struct io_sq_data *sqd); void io_sq_thread_park(struct io_sq_data *sqd); void io_sq_thread_unpark(struct io_sq_data *sqd); void io_put_sq_data(struct io_sq_data *sqd); -int io_sqpoll_wait_sq(struct io_ring_ctx *ctx); +void io_sqpoll_wait_sq(struct io_ring_ctx *ctx); |