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io_uring: inline io_fail_links()

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Inline io_fail_links() and kill extra io_cqring_ev_posted().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2020-10-18 10:17:39 +01:00 committed by Jens Axboe
parent ec99ca6c47
commit d148ca4b07
1 changed files with 3 additions and 10 deletions
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13
fs/io_uring.c
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@ -1913,10 +1913,12 @@ static struct io_kiocb *io_req_link_next(struct io_kiocb *req)
/* /*
* Called if REQ_F_LINK_HEAD is set, and we fail the head request * Called if REQ_F_LINK_HEAD is set, and we fail the head request
*/ */
static void __io_fail_links(struct io_kiocb *req) static void io_fail_links(struct io_kiocb *req)
{ {
struct io_ring_ctx *ctx = req->ctx; struct io_ring_ctx *ctx = req->ctx;
unsigned long flags;
spin_lock_irqsave(&ctx->completion_lock, flags);
while (!list_empty(&req->link_list)) { while (!list_empty(&req->link_list)) {
struct io_kiocb *link = list_first_entry(&req->link_list, struct io_kiocb *link = list_first_entry(&req->link_list,
struct io_kiocb, link_list); struct io_kiocb, link_list);
@ -1938,15 +1940,6 @@ static void __io_fail_links(struct io_kiocb *req)
} }
io_commit_cqring(ctx); io_commit_cqring(ctx);
}
static void io_fail_links(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
unsigned long flags;
spin_lock_irqsave(&ctx->completion_lock, flags);
__io_fail_links(req);
spin_unlock_irqrestore(&ctx->completion_lock, flags); spin_unlock_irqrestore(&ctx->completion_lock, flags);
io_cqring_ev_posted(ctx); io_cqring_ev_posted(ctx);