Adding description for the IORING_OP_SPLICE operation
@@ -522,6 +522,28 @@ and
.BR write(2)
for the general description of the related system call. Available since 5.6.
+.TP
+.B IORING_OP_SPLICE
+Issue the equivalent of a
+.BR splice(2)
+system call.
+.I splice_fd_in
+is the file descriptor to read from,
+.I splice_off_in
+is a pointer to an offset to read from,
+.I fd
+is the file descriptor to write to,
+.I off
+is a pointer to an offset to from which to start writing to.
+.I len
+contains the number of bytes to copy.
+.I splice_flags
+contains a bit mask for the flag field associated with the system call.
+Please note that one of the file descriptors must refer to a pipe.
+See also
+.BR splice(2)
+for the general description of the related system call. Available since 5.7.
+
.TP
.B IORING_OP_FILES_UPDATE
This command is an alternative to using
