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| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-01-23 14:37:16 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-29 15:17:41 -0700 |
| commit | c8576f3e612d3c5b01d434ae296b9b76d7907708 (patch) | |
| tree | e920d94aea33013acfab94c19eb47f591c409d5d /io_uring/io_uring.c | |
| parent | b5083dfa36676e7b5d72bf3d70f429a0d08c5075 (diff) | |
| download | linux-c8576f3e612d3c5b01d434ae296b9b76d7907708.tar.gz linux-c8576f3e612d3c5b01d434ae296b9b76d7907708.tar.bz2 linux-c8576f3e612d3c5b01d434ae296b9b76d7907708.zip | |
io_uring: refactor req allocation
Follow the io_get_sqe pattern returning the result via a pointer
and hide request cache refill inside io_alloc_req().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8c37c2e8a3cb5e4cd6a8ae3b91371227a92708a6.1674484266.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index c1f27626c205..2b046a80f75b 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -2415,9 +2415,8 @@ int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr) const struct io_uring_sqe *sqe; struct io_kiocb *req; - if (unlikely(!io_alloc_req_refill(ctx))) + if (unlikely(!io_alloc_req(ctx, &req))) break; - req = io_alloc_req(ctx); if (unlikely(!io_get_sqe(ctx, &sqe))) { io_req_add_to_cache(req, ctx); break; @@ -2736,14 +2735,14 @@ static int io_eventfd_unregister(struct io_ring_ctx *ctx) static void io_req_caches_free(struct io_ring_ctx *ctx) { + struct io_kiocb *req; int nr = 0; mutex_lock(&ctx->uring_lock); io_flush_cached_locked_reqs(ctx, &ctx->submit_state); while (!io_req_cache_empty(ctx)) { - struct io_kiocb *req = io_alloc_req(ctx); - + req = io_extract_req(ctx); kmem_cache_free(req_cachep, req); nr++; } |