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Diffstat (limited to 'include/linux/io_uring/cmd.h')
-rw-r--r--include/linux/io_uring/cmd.h22
1 files changed, 13 insertions, 9 deletions
diff --git a/include/linux/io_uring/cmd.h b/include/linux/io_uring/cmd.h
index 7509025b4071..375fd048c4cb 100644
--- a/include/linux/io_uring/cmd.h
+++ b/include/linux/io_uring/cmd.h
@@ -11,17 +11,13 @@
/* io_uring_cmd is being issued again */
#define IORING_URING_CMD_REISSUE (1U << 31)
-typedef void (*io_uring_cmd_tw_t)(struct io_uring_cmd *cmd,
- unsigned issue_flags);
-
struct io_uring_cmd {
struct file *file;
const struct io_uring_sqe *sqe;
- /* callback to defer completions to task context */
- io_uring_cmd_tw_t task_work_cb;
u32 cmd_op;
u32 flags;
u8 pdu[32]; /* available inline for free use */
+ u8 unused[8];
};
static inline const void *io_uring_sqe_cmd(const struct io_uring_sqe *sqe)
@@ -60,7 +56,7 @@ void __io_uring_cmd_done(struct io_uring_cmd *cmd, s32 ret, u64 res2,
unsigned issue_flags, bool is_cqe32);
void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
- io_uring_cmd_tw_t task_work_cb,
+ io_req_tw_func_t task_work_cb,
unsigned flags);
/*
@@ -109,7 +105,7 @@ static inline void __io_uring_cmd_done(struct io_uring_cmd *cmd, s32 ret,
{
}
static inline void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
- io_uring_cmd_tw_t task_work_cb, unsigned flags)
+ io_req_tw_func_t task_work_cb, unsigned flags)
{
}
static inline void io_uring_cmd_mark_cancelable(struct io_uring_cmd *cmd,
@@ -132,15 +128,23 @@ static inline bool io_uring_mshot_cmd_post_cqe(struct io_uring_cmd *ioucmd,
}
#endif
+static inline struct io_uring_cmd *io_uring_cmd_from_tw(struct io_tw_req tw_req)
+{
+ return io_kiocb_to_cmd(tw_req.req, struct io_uring_cmd);
+}
+
+/* task_work executor checks the deferred list completion */
+#define IO_URING_CMD_TASK_WORK_ISSUE_FLAGS IO_URING_F_COMPLETE_DEFER
+
/* users must follow the IOU_F_TWQ_LAZY_WAKE semantics */
static inline void io_uring_cmd_do_in_task_lazy(struct io_uring_cmd *ioucmd,
- io_uring_cmd_tw_t task_work_cb)
+ io_req_tw_func_t task_work_cb)
{
__io_uring_cmd_do_in_task(ioucmd, task_work_cb, IOU_F_TWQ_LAZY_WAKE);
}
static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
- io_uring_cmd_tw_t task_work_cb)
+ io_req_tw_func_t task_work_cb)
{
__io_uring_cmd_do_in_task(ioucmd, task_work_cb, 0);
}