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-rw-r--r--include/linux/io_uring.h95
1 files changed, 4 insertions, 91 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index aefb73eeeebf..68ed6697fece 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -6,71 +6,13 @@
#include <linux/xarray.h>
#include <uapi/linux/io_uring.h>
-enum io_uring_cmd_flags {
- IO_URING_F_COMPLETE_DEFER = 1,
- IO_URING_F_UNLOCKED = 2,
- /* the request is executed from poll, it should not be freed */
- IO_URING_F_MULTISHOT = 4,
- /* executed by io-wq */
- IO_URING_F_IOWQ = 8,
- /* int's last bit, sign checks are usually faster than a bit test */
- IO_URING_F_NONBLOCK = INT_MIN,
-
- /* ctx state flags, for URING_CMD */
- IO_URING_F_SQE128 = (1 << 8),
- IO_URING_F_CQE32 = (1 << 9),
- IO_URING_F_IOPOLL = (1 << 10),
-
- /* set when uring wants to cancel a previously issued command */
- IO_URING_F_CANCEL = (1 << 11),
- IO_URING_F_COMPAT = (1 << 12),
-};
-
-/* only top 8 bits of sqe->uring_cmd_flags for kernel internal use */
-#define IORING_URING_CMD_CANCELABLE (1U << 30)
-#define IORING_URING_CMD_POLLED (1U << 31)
-
-struct io_uring_cmd {
- struct file *file;
- const struct io_uring_sqe *sqe;
- union {
- /* callback to defer completions to task context */
- void (*task_work_cb)(struct io_uring_cmd *cmd, unsigned);
- /* used for polled completion */
- void *cookie;
- };
- u32 cmd_op;
- u32 flags;
- u8 pdu[32]; /* available inline for free use */
-};
-
-static inline const void *io_uring_sqe_cmd(const struct io_uring_sqe *sqe)
-{
- return sqe->cmd;
-}
-
#if defined(CONFIG_IO_URING)
-int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
- struct iov_iter *iter, void *ioucmd);
-void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t res2,
- unsigned issue_flags);
-struct sock *io_uring_get_socket(struct file *file);
void __io_uring_cancel(bool cancel_all);
void __io_uring_free(struct task_struct *tsk);
void io_uring_unreg_ringfd(void);
const char *io_uring_get_opcode(u8 opcode);
-void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *, unsigned),
- unsigned flags);
-/* users should follow semantics of IOU_F_TWQ_LAZY_WAKE */
-void io_uring_cmd_do_in_task_lazy(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *, unsigned));
-
-static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *, unsigned))
-{
- __io_uring_cmd_do_in_task(ioucmd, task_work_cb, 0);
-}
+int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags);
+bool io_is_uring_fops(struct file *file);
static inline void io_uring_files_cancel(void)
{
@@ -89,32 +31,7 @@ static inline void io_uring_free(struct task_struct *tsk)
if (tsk->io_uring)
__io_uring_free(tsk);
}
-int io_uring_cmd_sock(struct io_uring_cmd *cmd, unsigned int issue_flags);
-void io_uring_cmd_mark_cancelable(struct io_uring_cmd *cmd,
- unsigned int issue_flags);
-struct task_struct *io_uring_cmd_get_task(struct io_uring_cmd *cmd);
#else
-static inline int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
- struct iov_iter *iter, void *ioucmd)
-{
- return -EOPNOTSUPP;
-}
-static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret,
- ssize_t ret2, unsigned issue_flags)
-{
-}
-static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *, unsigned))
-{
-}
-static inline void io_uring_cmd_do_in_task_lazy(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *, unsigned))
-{
-}
-static inline struct sock *io_uring_get_socket(struct file *file)
-{
- return NULL;
-}
static inline void io_uring_task_cancel(void)
{
}
@@ -133,13 +50,9 @@ static inline int io_uring_cmd_sock(struct io_uring_cmd *cmd,
{
return -EOPNOTSUPP;
}
-static inline void io_uring_cmd_mark_cancelable(struct io_uring_cmd *cmd,
- unsigned int issue_flags)
-{
-}
-static inline struct task_struct *io_uring_cmd_get_task(struct io_uring_cmd *cmd)
+static inline bool io_is_uring_fops(struct file *file)
{
- return NULL;
+ return false;
}
#endif