diff options
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 5ee6a9273fca..b740a39110d6 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2379,22 +2379,6 @@ static inline void io_put_req_deferred(struct io_kiocb *req, int refs) io_free_req_deferred(req); } -static struct io_wq_work *io_steal_work(struct io_kiocb *req) -{ - struct io_kiocb *nxt; - - /* - * A ref is owned by io-wq in which context we're. So, if that's the - * last one, it's safe to steal next work. False negatives are Ok, - * it just will be re-punted async in io_put_work() - */ - if (refcount_read(&req->refs) != 1) - return NULL; - - nxt = io_req_find_next(req); - return nxt ? &nxt->work : NULL; -} - static void io_double_put_req(struct io_kiocb *req) { /* drop both submit and complete references */ @@ -6343,7 +6327,7 @@ static int io_issue_sqe(struct io_kiocb *req, bool force_nonblock, return 0; } -static struct io_wq_work *io_wq_submit_work(struct io_wq_work *work) +static void io_wq_submit_work(struct io_wq_work *work) { struct io_kiocb *req = container_of(work, struct io_kiocb, work); struct io_kiocb *timeout; @@ -6394,8 +6378,6 @@ static struct io_wq_work *io_wq_submit_work(struct io_wq_work *work) if (lock_ctx) mutex_unlock(&lock_ctx->uring_lock); } - - return io_steal_work(req); } static inline struct file *io_file_from_index(struct io_ring_ctx *ctx, @@ -8067,12 +8049,12 @@ static int io_sqe_files_update(struct io_ring_ctx *ctx, void __user *arg, return __io_sqe_files_update(ctx, &up, nr_args); } -static void io_free_work(struct io_wq_work *work) +static struct io_wq_work *io_free_work(struct io_wq_work *work) { struct io_kiocb *req = container_of(work, struct io_kiocb, work); - /* Consider that io_steal_work() relies on this ref */ - io_put_req(req); + req = io_put_req_find_next(req); + return req ? &req->work : NULL; } static int io_init_wq_offload(struct io_ring_ctx *ctx, |