Commit b2846567 authored by Gabriel Krisman Bertazi's avatar Gabriel Krisman Bertazi Committed by Jens Axboe
Browse files

io_uring/futex: Allocate ifd with generic alloc_cache helper 



Instead of open-coding the allocation, use the generic alloc_cache
helper.

Signed-off-by: default avatarGabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20241216204615.759089-4-krisman@suse.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 49f7a309

io_uring/futex.c

+1 −12
Original line number Diff line number Diff line
@@ -251,17 +251,6 @@ static void io_futex_wake_fn(struct wake_q_head *wake_q, struct futex_q *q) 
	io_req_task_work_add(req);

}



static struct io_futex_data *io_alloc_ifd(struct io_ring_ctx *ctx)

{

	struct io_futex_data *ifd;



	ifd = io_alloc_cache_get(&ctx->futex_cache);

	if (ifd)

		return ifd;



	return kmalloc(sizeof(struct io_futex_data), GFP_NOWAIT);

}



int io_futexv_wait(struct io_kiocb *req, unsigned int issue_flags)

{

	struct io_futex *iof = io_kiocb_to_cmd(req, struct io_futex);
@@ -331,7 +320,7 @@ int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags) 
	}



	io_ring_submit_lock(ctx, issue_flags);

	ifd = io_alloc_ifd(ctx);

	ifd = io_cache_alloc(&ctx->futex_cache, GFP_NOWAIT, NULL);

	if (!ifd) {

		ret = -ENOMEM;

		goto done_unlock;