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/*
* SYSCALL_DEFINE(fadvise64)(int fd, loff_t offset, size_t len, int advice)
*
* On success, zero is returned.
* On error, an error number is returned.
*/
#include <fcntl.h>
#include "sanitise.h"
static unsigned long fadvise_flags[] = {
POSIX_FADV_NORMAL,
POSIX_FADV_SEQUENTIAL,
POSIX_FADV_RANDOM,
POSIX_FADV_NOREUSE,
POSIX_FADV_WILLNEED,
POSIX_FADV_DONTNEED,
};
struct syscallentry syscall_fadvise64 = {
.name = "fadvise64",
.num_args = 4,
.arg1name = "fd",
.arg1type = ARG_FD,
.arg2name = "offset",
.arg3name = "len",
.arg3type = ARG_LEN,
.arg4name = "advice",
.arg4type = ARG_OP,
.arg4list = ARGLIST(fadvise_flags),
.rettype = RET_ZERO_SUCCESS,
.flags = NEED_ALARM,
.group = GROUP_VFS,
};
#ifndef __arm__
/*
* SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
*
* On success, zero is returned.
* On error, an error number is returned.
*/
struct syscallentry syscall_fadvise64_64 = {
.name = "fadvise64_64",
.num_args = 4,
.arg1name = "fd",
.arg1type = ARG_FD,
.arg2name = "offset",
.arg3name = "len",
.arg3type = ARG_LEN,
.arg4name = "advice",
.arg4type = ARG_OP,
.arg4list = ARGLIST(fadvise_flags),
.rettype = RET_ZERO_SUCCESS,
.flags = NEED_ALARM,
.group = GROUP_VFS,
};
#else
/*
* asmlinkage long sys_arm_fadvise64_64(int fd, int advice, loff_t offset, loff_t len)
* ARM has same as fadvise64 but with other argument order.
*/
struct syscallentry syscall_arm_fadvise64_64 = {
.name = "fadvise64_64",
.num_args = 4,
.arg1name = "fd",
.arg1type = ARG_FD,
.arg2name = "advice",
.arg2type = ARG_OP,
.arg2list = ARGLIST(fadvise_flags),
.arg3name = "offset",
.arg4name = "len",
.arg4type = ARG_LEN,
.rettype = RET_ZERO_SUCCESS,
.flags = NEED_ALARM,
.group = GROUP_VFS,
};
#endif
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