1 Commits

Author SHA1 Message Date
Ian Gulliver
b46820fe24 Fix manpage mmap() syntax
Patch from Ian Gulliver <git@flamingcow.io>

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-05-18 11:32:21 -07:00
2 changed files with 8 additions and 14 deletions

View File

@@ -26,7 +26,6 @@ struct io_uring_sqe {
__kernel_rwf_t rw_flags; __kernel_rwf_t rw_flags;
__u32 fsync_flags; __u32 fsync_flags;
__u16 poll_events; __u16 poll_events;
__u32 sync_range_flags;
}; };
__u64 user_data; /* data to be passed back at completion time */ __u64 user_data; /* data to be passed back at completion time */
union { union {
@@ -39,8 +38,8 @@ struct io_uring_sqe {
* sqe->flags * sqe->flags
*/ */
#define IOSQE_FIXED_FILE (1U << 0) /* use fixed fileset */ #define IOSQE_FIXED_FILE (1U << 0) /* use fixed fileset */
#define IOSQE_IO_DRAIN (1U << 1) /* issue after inflight IO */ #define IOSQE_IO_DRAIN (1U << 1)
#define IOSQE_IO_LINK (1U << 2) /* next IO depends on this one */ #define IOSQE_IO_LINK (1U << 2)
/* /*
* io_uring_setup() flags * io_uring_setup() flags
@@ -57,7 +56,6 @@ struct io_uring_sqe {
#define IORING_OP_WRITE_FIXED 5 #define IORING_OP_WRITE_FIXED 5
#define IORING_OP_POLL_ADD 6 #define IORING_OP_POLL_ADD 6
#define IORING_OP_POLL_REMOVE 7 #define IORING_OP_POLL_REMOVE 7
#define IORING_OP_SYNC_FILE_RANGE 8
/* /*
* sqe->fsync_flags * sqe->fsync_flags
@@ -137,7 +135,5 @@ struct io_uring_params {
#define IORING_UNREGISTER_BUFFERS 1 #define IORING_UNREGISTER_BUFFERS 1
#define IORING_REGISTER_FILES 2 #define IORING_REGISTER_FILES 2
#define IORING_UNREGISTER_FILES 3 #define IORING_UNREGISTER_FILES 3
#define IORING_REGISTER_EVENTFD 4
#define IORING_UNREGISTER_EVENTFD 5
#endif #endif

View File

@@ -7,7 +7,6 @@ extern "C" {
#include <sys/uio.h> #include <sys/uio.h>
#include <signal.h> #include <signal.h>
#include <string.h>
#include <inttypes.h> #include <inttypes.h>
#include "compat.h" #include "compat.h"
#include "io_uring.h" #include "io_uring.h"
@@ -106,8 +105,7 @@ static inline void *io_uring_cqe_get_data(struct io_uring_cqe *cqe)
} }
static inline void io_uring_prep_rw(int op, struct io_uring_sqe *sqe, int fd, static inline void io_uring_prep_rw(int op, struct io_uring_sqe *sqe, int fd,
const void *addr, unsigned len, void *addr, unsigned len, off_t offset)
off_t offset)
{ {
memset(sqe, 0, sizeof(*sqe)); memset(sqe, 0, sizeof(*sqe));
sqe->opcode = op; sqe->opcode = op;
@@ -118,8 +116,8 @@ static inline void io_uring_prep_rw(int op, struct io_uring_sqe *sqe, int fd,
} }
static inline void io_uring_prep_readv(struct io_uring_sqe *sqe, int fd, static inline void io_uring_prep_readv(struct io_uring_sqe *sqe, int fd,
const struct iovec *iovecs, struct iovec *iovecs, unsigned nr_vecs,
unsigned nr_vecs, off_t offset) off_t offset)
{ {
io_uring_prep_rw(IORING_OP_READV, sqe, fd, iovecs, nr_vecs, offset); io_uring_prep_rw(IORING_OP_READV, sqe, fd, iovecs, nr_vecs, offset);
} }
@@ -132,14 +130,14 @@ static inline void io_uring_prep_read_fixed(struct io_uring_sqe *sqe, int fd,
} }
static inline void io_uring_prep_writev(struct io_uring_sqe *sqe, int fd, static inline void io_uring_prep_writev(struct io_uring_sqe *sqe, int fd,
const struct iovec *iovecs, struct iovec *iovecs, unsigned nr_vecs,
unsigned nr_vecs, off_t offset) off_t offset)
{ {
io_uring_prep_rw(IORING_OP_WRITEV, sqe, fd, iovecs, nr_vecs, offset); io_uring_prep_rw(IORING_OP_WRITEV, sqe, fd, iovecs, nr_vecs, offset);
} }
static inline void io_uring_prep_write_fixed(struct io_uring_sqe *sqe, int fd, static inline void io_uring_prep_write_fixed(struct io_uring_sqe *sqe, int fd,
const void *buf, unsigned nbytes, void *buf, unsigned nbytes,
off_t offset) off_t offset)
{ {
io_uring_prep_rw(IORING_OP_WRITE_FIXED, sqe, fd, buf, nbytes, offset); io_uring_prep_rw(IORING_OP_WRITE_FIXED, sqe, fd, buf, nbytes, offset);