Commit edecf168 authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring: enable io_mem_alloc/free to be used in other parts 



In preparation for using these helpers, make them non-static and add
them to our internal header.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 6f007b14

io_uring/io_uring.c

+2 −2
Original line number Diff line number Diff line
@@ -2666,7 +2666,7 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events, 
	return READ_ONCE(rings->cq.head) == READ_ONCE(rings->cq.tail) ? ret : 0;

}



static void io_mem_free(void *ptr)

void io_mem_free(void *ptr)

{

	if (!ptr)

		return;
@@ -2778,7 +2778,7 @@ static void io_rings_free(struct io_ring_ctx *ctx) 
	}

}



static void *io_mem_alloc(size_t size)

void *io_mem_alloc(size_t size)

{

	gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_ZERO | __GFP_NOWARN | __GFP_COMP;

	void *ret;

io_uring/io_uring.h

+3 −0
Original line number Diff line number Diff line
@@ -86,6 +86,9 @@ bool __io_alloc_req_refill(struct io_ring_ctx *ctx); 
bool io_match_task_safe(struct io_kiocb *head, struct task_struct *task,

			bool cancel_all);



void *io_mem_alloc(size_t size);

void io_mem_free(void *ptr);



#if defined(CONFIG_PROVE_LOCKING)

static inline void io_lockdep_assert_cq_locked(struct io_ring_ctx *ctx)

{