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-rw-r--r--include/linux/io_uring.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 4a2f6cc5a492..43bc8a2edccf 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -4,6 +4,7 @@
#include <linux/sched.h>
#include <linux/xarray.h>
+#include <uapi/linux/io_uring.h>
enum io_uring_cmd_flags {
IO_URING_F_COMPLETE_DEFER = 1,
@@ -20,14 +21,20 @@ enum io_uring_cmd_flags {
struct io_uring_cmd {
struct file *file;
const void *cmd;
- /* callback to defer completions to task context */
- void (*task_work_cb)(struct io_uring_cmd *cmd);
+ union {
+ /* callback to defer completions to task context */
+ void (*task_work_cb)(struct io_uring_cmd *cmd);
+ /* used for polled completion */
+ void *cookie;
+ };
u32 cmd_op;
- u32 pad;
+ u32 flags;
u8 pdu[32]; /* available inline for free use */
};
#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);
void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
void (*task_work_cb)(struct io_uring_cmd *));
@@ -55,6 +62,11 @@ static inline void io_uring_free(struct task_struct *tsk)
__io_uring_free(tsk);
}
#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)
{