Commit 49f7a309 authored by Gabriel Krisman Bertazi's avatar Gabriel Krisman Bertazi Committed by Jens Axboe
Browse files

io_uring: Add generic helper to allocate async data 



This helper replaces io_alloc_async_data by using the folded allocation.
Do it in a header to allow the compiler to decide whether to inline.

Signed-off-by: default avatarGabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20241216204615.759089-3-krisman@suse.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 479b2f45

io_uring/io_uring.h

+11 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include <linux/poll.h>

#include <linux/io_uring_types.h>

#include <uapi/linux/eventpoll.h>

#include "alloc_cache.h"

#include "io-wq.h"

#include "slist.h"

#include "filetable.h"
@@ -222,6 +223,16 @@ static inline void io_req_set_res(struct io_kiocb *req, s32 res, u32 cflags) 
	req->cqe.flags = cflags;

}



static inline void *io_uring_alloc_async_data(struct io_alloc_cache *cache,

					      struct io_kiocb *req,

					      void (*init_once)(void *obj))

{

	req->async_data = io_cache_alloc(cache, GFP_KERNEL, init_once);

	if (req->async_data)

		req->flags |= REQ_F_ASYNC_DATA;

	return req->async_data;

}



static inline bool req_has_async_data(struct io_kiocb *req)

{

	return req->flags & REQ_F_ASYNC_DATA;