From da1a08c5b28176398773de30a056ba7b994e6988 Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Fri, 15 Apr 2022 22:08:29 +0100 Subject: [PATCH] io_uring: introduce IO_REQ_LINK_FLAGS Add a macro for all link request flags to avoid duplication. Signed-off-by: Pavel Begunkov Link: https://lore.kernel.org/r/df38b883e31e7e0ca4e364d25a0743862961b180.1650056133.git.asml.silence@gmail.com Signed-off-by: Jens Axboe --- fs/io_uring.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 5a99a2f..04dedc3 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -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; -- 2.7.4