File: helpers.c

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fio 2.1.11-2
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#include <stdlib.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <unistd.h>

#include "compiler/compiler.h"
#include "arch/arch.h"
#include "os/os.h"

#ifndef CONFIG_LINUX_FALLOCATE
int fallocate(int fd, int mode, off_t offset, off_t len)
{
	errno = ENOSYS;
	return -1;
}
#endif

#ifndef CONFIG_POSIX_FALLOCATE
int posix_fallocate(int fd, off_t offset, off_t len)
{
	return 0;
}
#endif

#ifndef CONFIG_SYNC_FILE_RANGE
int sync_file_range(int fd, off64_t offset, off64_t nbytes, unsigned int flags)
{
	errno = ENOSYS;
	return -1;
}
#endif

#ifndef CONFIG_POSIX_FADVISE
int posix_fadvise(int fd, off_t offset, off_t len, int advice)
{
	return 0;
}
#endif