mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-17 07:54:54 +08:00
io_uring: introduce IO_REQ_LINK_FLAGS
Add a macro for all link request flags to avoid duplication. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/df38b883e31e7e0ca4e364d25a0743862961b180.1650056133.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
parent
7bfa9badc7
commit
da1a08c5b2
@ -1180,6 +1180,7 @@ static const struct io_op_def io_op_defs[] = {
|
||||
|
||||
/* requests with any of those set should undergo io_disarm_next() */
|
||||
#define IO_DISARM_MASK (REQ_F_ARM_LTIMEOUT | REQ_F_LINK_TIMEOUT | REQ_F_FAIL)
|
||||
#define IO_REQ_LINK_FLAGS (REQ_F_LINK | REQ_F_HARDLINK)
|
||||
|
||||
static bool io_disarm_next(struct io_kiocb *req);
|
||||
static void io_uring_del_tctx_node(unsigned long index);
|
||||
@ -2160,7 +2161,7 @@ static void __io_req_complete_post(struct io_kiocb *req, s32 res,
|
||||
* free_list cache.
|
||||
*/
|
||||
if (req_ref_put_and_test(req)) {
|
||||
if (req->flags & (REQ_F_LINK | REQ_F_HARDLINK)) {
|
||||
if (req->flags & IO_REQ_LINK_FLAGS) {
|
||||
if (req->flags & IO_DISARM_MASK)
|
||||
io_disarm_next(req);
|
||||
if (req->link) {
|
||||
@ -2721,7 +2722,7 @@ static void io_free_batch_list(struct io_ring_ctx *ctx,
|
||||
&ctx->apoll_cache);
|
||||
req->flags &= ~REQ_F_POLLED;
|
||||
}
|
||||
if (req->flags & (REQ_F_LINK|REQ_F_HARDLINK))
|
||||
if (req->flags & IO_REQ_LINK_FLAGS)
|
||||
io_queue_next(req);
|
||||
if (unlikely(req->flags & IO_REQ_CLEAN_FLAGS))
|
||||
io_clean_op(req);
|
||||
@ -2781,7 +2782,7 @@ static inline struct io_kiocb *io_put_req_find_next(struct io_kiocb *req)
|
||||
struct io_kiocb *nxt = NULL;
|
||||
|
||||
if (req_ref_put_and_test(req)) {
|
||||
if (unlikely(req->flags & (REQ_F_LINK|REQ_F_HARDLINK)))
|
||||
if (unlikely(req->flags & IO_REQ_LINK_FLAGS))
|
||||
nxt = io_req_find_next(req);
|
||||
io_free_req(req);
|
||||
}
|
||||
@ -7728,7 +7729,7 @@ static int io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req,
|
||||
*/
|
||||
if (!(link->head->flags & REQ_F_FAIL))
|
||||
req_fail_link_node(link->head, -ECANCELED);
|
||||
} else if (!(req->flags & (REQ_F_LINK | REQ_F_HARDLINK))) {
|
||||
} else if (!(req->flags & IO_REQ_LINK_FLAGS)) {
|
||||
/*
|
||||
* the current req is a normal req, we should return
|
||||
* error and thus break the submittion loop.
|
||||
@ -7766,12 +7767,12 @@ static int io_submit_sqe(struct io_ring_ctx *ctx, struct io_kiocb *req,
|
||||
link->last->link = req;
|
||||
link->last = req;
|
||||
|
||||
if (req->flags & (REQ_F_LINK | REQ_F_HARDLINK))
|
||||
if (req->flags & IO_REQ_LINK_FLAGS)
|
||||
return 0;
|
||||
/* last request of a link, enqueue the link */
|
||||
link->head = NULL;
|
||||
req = head;
|
||||
} else if (req->flags & (REQ_F_LINK | REQ_F_HARDLINK)) {
|
||||
} else if (req->flags & IO_REQ_LINK_FLAGS) {
|
||||
link->head = req;
|
||||
link->last = req;
|
||||
return 0;
|
||||
|
Loading…
Reference in New Issue
Block a user