1 // SPDX-License-Identifier: GPL-2.0 2 3 #include "cancel.h" 4 5 int io_futex_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 6 int io_futexv_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); 7 int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags); 8 int io_futexv_wait(struct io_kiocb *req, unsigned int issue_flags); 9 int io_futex_wake(struct io_kiocb *req, unsigned int issue_flags); 10 11 #if defined(CONFIG_FUTEX) 12 int io_futex_cancel(struct io_ring_ctx *ctx, struct io_cancel_data *cd, 13 unsigned int issue_flags); 14 bool io_futex_remove_all(struct io_ring_ctx *ctx, struct task_struct *task, 15 bool cancel_all); 16 bool io_futex_cache_init(struct io_ring_ctx *ctx); 17 void io_futex_cache_free(struct io_ring_ctx *ctx); 18 #else 19 static inline int io_futex_cancel(struct io_ring_ctx *ctx, 20 struct io_cancel_data *cd, 21 unsigned int issue_flags) 22 { 23 return 0; 24 } 25 static inline bool io_futex_remove_all(struct io_ring_ctx *ctx, 26 struct task_struct *task, bool cancel_all) 27 { 28 return false; 29 } 30 static inline bool io_futex_cache_init(struct io_ring_ctx *ctx) 31 { 32 return false; 33 } 34 static inline void io_futex_cache_free(struct io_ring_ctx *ctx) 35 { 36 } 37 #endif 38