[PATCH 3/9] io_uring/futex: Allocate ifd with generic alloc_cache helper

[Gabriel Krisman Bertazi <krisman@suse.de>]

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

Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
---
 io_uring/futex.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/io_uring/futex.c b/io_uring/futex.c
index e29662f039e1..dd9dddea2a9b 100644
--- a/io_uring/futex.c
+++ b/io_uring/futex.c
@@ -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_alloc_cache_alloc(&ctx->futex_cache, GFP_NOWAIT);
 	if (!ifd) {
 		ret = -ENOMEM;
 		goto done_unlock;
-- 
2.47.0