[linux-2.6-block.git] / include / uapi / linux / fadvise.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef FADVISE_H_INCLUDED
#define FADVISE_H_INCLUDED

#define POSIX_FADV_NORMAL	0 /* No further special treatment.  */
#define POSIX_FADV_RANDOM	1 /* Expect random page references.  */
#define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.  */
#define POSIX_FADV_WILLNEED	3 /* Will need these pages.  */

/*
 * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE
 * for s390-64 differ from the values for the rest of the world.
 */
#if defined(__s390x__)
#define POSIX_FADV_DONTNEED	6 /* Don't need these pages.  */
#define POSIX_FADV_NOREUSE	7 /* Data will be accessed once.  */
#else
#define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */
#define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
#endif

#endif	/* FADVISE_H_INCLUDED */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
1da177e4 LT	2	#ifndef FADVISE_H_INCLUDED
	3	#define FADVISE_H_INCLUDED
	4
	5	#define POSIX_FADV_NORMAL 0 /* No further special treatment. */
	6	#define POSIX_FADV_RANDOM 1 /* Expect random page references. */
	7	#define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
	8	#define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
068e1b94 MS	9
	10	/*
	11	* The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE
	12	* for s390-64 differ from the values for the rest of the world.
	13	*/
	14	#if defined(__s390x__)
	15	#define POSIX_FADV_DONTNEED 6 /* Don't need these pages. */
	16	#define POSIX_FADV_NOREUSE 7 /* Data will be accessed once. */
	17	#else
1da177e4 LT	18	#define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
1da177e4 LT	19	#define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
068e1b94	20	#endif
1da177e4 LT	21
1da177e4 LT	22	#endif /* FADVISE_H_INCLUDED */