[mirror_ubuntu-hirsute-kernel.git] / fs / xfs / xfs_linux.h

/*
 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef __XFS_LINUX__
#define __XFS_LINUX__

#include <linux/types.h>

/*
 * XFS_BIG_BLKNOS needs block layer disk addresses to be 64 bits.
 * XFS_BIG_INUMS requires XFS_BIG_BLKNOS to be set.
 */
#if defined(CONFIG_LBDAF) || (BITS_PER_LONG == 64)
# define XFS_BIG_BLKNOS	1
# define XFS_BIG_INUMS	1
#else
# define XFS_BIG_BLKNOS	0
# define XFS_BIG_INUMS	0
#endif

/*
 * Kernel specific type declarations for XFS
 */
typedef signed char		__int8_t;
typedef unsigned char		__uint8_t;
typedef signed short int	__int16_t;
typedef unsigned short int	__uint16_t;
typedef signed int		__int32_t;
typedef unsigned int		__uint32_t;
typedef signed long long int	__int64_t;
typedef unsigned long long int	__uint64_t;

typedef __uint32_t		inst_t;		/* an instruction */

typedef __s64			xfs_off_t;	/* <file offset> type */
typedef unsigned long long	xfs_ino_t;	/* <inode> type */
typedef __s64			xfs_daddr_t;	/* <disk address> type */
typedef char *			xfs_caddr_t;	/* <core address> type */
typedef __u32			xfs_dev_t;
typedef __u32			xfs_nlink_t;

/* __psint_t is the same size as a pointer */
#if (BITS_PER_LONG == 32)
typedef __int32_t __psint_t;
typedef __uint32_t __psunsigned_t;
#elif (BITS_PER_LONG == 64)
typedef __int64_t __psint_t;
typedef __uint64_t __psunsigned_t;
#else
#error BITS_PER_LONG must be 32 or 64
#endif

#include "xfs_types.h"

#include "kmem.h"
#include "mrlock.h"
#include "time.h"
#include "uuid.h"

#include <linux/semaphore.h>
#include <linux/mm.h>
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/slab.h>
#include <linux/crc32c.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/file.h>
#include <linux/swap.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/major.h>
#include <linux/pagemap.h>
#include <linux/vfs.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/proc_fs.h>
#include <linux/sort.h>
#include <linux/cpu.h>
#include <linux/notifier.h>
#include <linux/delay.h>
#include <linux/log2.h>
#include <linux/spinlock.h>
#include <linux/random.h>
#include <linux/ctype.h>
#include <linux/writeback.h>
#include <linux/capability.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/list_sort.h>
#include <linux/ratelimit.h>

#include <asm/page.h>
#include <asm/div64.h>
#include <asm/param.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>

#include "xfs_vnode.h"
#include "xfs_stats.h"
#include "xfs_sysctl.h"
#include "xfs_iops.h"
#include "xfs_aops.h"
#include "xfs_super.h"
#include "xfs_buf.h"
#include "xfs_message.h"

#ifdef __BIG_ENDIAN
#define XFS_NATIVE_HOST 1
#else
#undef XFS_NATIVE_HOST
#endif

/*
 * Feature macros (disable/enable)
 */
#ifdef CONFIG_SMP
#define HAVE_PERCPU_SB	/* per cpu superblock counters are a 2.6 feature */
#else
#undef  HAVE_PERCPU_SB	/* per cpu superblock counters are a 2.6 feature */
#endif

#define irix_sgid_inherit	xfs_params.sgid_inherit.val
#define irix_symlink_mode	xfs_params.symlink_mode.val
#define xfs_panic_mask		xfs_params.panic_mask.val
#define xfs_error_level		xfs_params.error_level.val
#define xfs_syncd_centisecs	xfs_params.syncd_timer.val
#define xfs_stats_clear		xfs_params.stats_clear.val
#define xfs_inherit_sync	xfs_params.inherit_sync.val
#define xfs_inherit_nodump	xfs_params.inherit_nodump.val
#define xfs_inherit_noatime	xfs_params.inherit_noatim.val
#define xfs_buf_timer_centisecs	xfs_params.xfs_buf_timer.val
#define xfs_buf_age_centisecs	xfs_params.xfs_buf_age.val
#define xfs_inherit_nosymlinks	xfs_params.inherit_nosym.val
#define xfs_rotorstep		xfs_params.rotorstep.val
#define xfs_inherit_nodefrag	xfs_params.inherit_nodfrg.val
#define xfs_fstrm_centisecs	xfs_params.fstrm_timer.val
#define xfs_eofb_secs		xfs_params.eofb_timer.val

#define current_cpu()		(raw_smp_processor_id())
#define current_pid()		(current->pid)
#define current_test_flags(f)	(current->flags & (f))
#define current_set_flags_nested(sp, f)		\
		(*(sp) = current->flags, current->flags |= (f))
#define current_clear_flags_nested(sp, f)	\
		(*(sp) = current->flags, current->flags &= ~(f))
#define current_restore_flags_nested(sp, f)	\
		(current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))

#define spinlock_destroy(lock)

#define NBBY		8		/* number of bits per byte */

/*
 * Size of block device i/o is parameterized here.
 * Currently the system supports page-sized i/o.
 */
#define	BLKDEV_IOSHIFT		PAGE_CACHE_SHIFT
#define	BLKDEV_IOSIZE		(1<<BLKDEV_IOSHIFT)
/* number of BB's per block device block */
#define	BLKDEV_BB		BTOBB(BLKDEV_IOSIZE)

#define ENOATTR		ENODATA		/* Attribute not found */
#define EWRONGFS	EINVAL		/* Mount with wrong filesystem type */
#define EFSCORRUPTED	EUCLEAN		/* Filesystem is corrupted */

#define SYNCHRONIZE()	barrier()
#define __return_address __builtin_return_address(0)

#define XFS_PROJID_DEFAULT	0
#define MAXPATHLEN	1024

#define MIN(a,b)	(min(a,b))
#define MAX(a,b)	(max(a,b))
#define howmany(x, y)	(((x)+((y)-1))/(y))

/*
 * Various platform dependent calls that don't fit anywhere else
 */
#define xfs_sort(a,n,s,fn)	sort(a,n,s,fn,NULL)
#define xfs_stack_trace()	dump_stack()


/* Move the kernel do_div definition off to one side */

#if defined __i386__
/* For ia32 we need to pull some tricks to get past various versions
 * of the compiler which do not like us using do_div in the middle
 * of large functions.
 */
static inline __u32 xfs_do_div(void *a, __u32 b, int n)
{
	__u32	mod;

	switch (n) {
		case 4:
			mod = *(__u32 *)a % b;
			*(__u32 *)a = *(__u32 *)a / b;
			return mod;
		case 8:
			{
			unsigned long __upper, __low, __high, __mod;
			__u64	c = *(__u64 *)a;
			__upper = __high = c >> 32;
			__low = c;
			if (__high) {
				__upper = __high % (b);
				__high = __high / (b);
			}
			asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (b), "0" (__low), "1" (__upper));
			asm("":"=A" (c):"a" (__low),"d" (__high));
			*(__u64 *)a = c;
			return __mod;
			}
	}

	/* NOTREACHED */
	return 0;
}

/* Side effect free 64 bit mod operation */
static inline __u32 xfs_do_mod(void *a, __u32 b, int n)
{
	switch (n) {
		case 4:
			return *(__u32 *)a % b;
		case 8:
			{
			unsigned long __upper, __low, __high, __mod;
			__u64	c = *(__u64 *)a;
			__upper = __high = c >> 32;
			__low = c;
			if (__high) {
				__upper = __high % (b);
				__high = __high / (b);
			}
			asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (b), "0" (__low), "1" (__upper));
			asm("":"=A" (c):"a" (__low),"d" (__high));
			return __mod;
			}
	}

	/* NOTREACHED */
	return 0;
}
#else
static inline __u32 xfs_do_div(void *a, __u32 b, int n)
{
	__u32	mod;

	switch (n) {
		case 4:
			mod = *(__u32 *)a % b;
			*(__u32 *)a = *(__u32 *)a / b;
			return mod;
		case 8:
			mod = do_div(*(__u64 *)a, b);
			return mod;
	}

	/* NOTREACHED */
	return 0;
}

/* Side effect free 64 bit mod operation */
static inline __u32 xfs_do_mod(void *a, __u32 b, int n)
{
	switch (n) {
		case 4:
			return *(__u32 *)a % b;
		case 8:
			{
			__u64	c = *(__u64 *)a;
			return do_div(c, b);
			}
	}

	/* NOTREACHED */
	return 0;
}
#endif

#undef do_div
#define do_div(a, b)	xfs_do_div(&(a), (b), sizeof(a))
#define do_mod(a, b)	xfs_do_mod(&(a), (b), sizeof(a))

static inline __uint64_t roundup_64(__uint64_t x, __uint32_t y)
{
	x += y - 1;
	do_div(x, y);
	return(x * y);
}

static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y)
{
	x += y - 1;
	do_div(x, y);
	return x;
}

/* ARM old ABI has some weird alignment/padding */
#if defined(__arm__) && !defined(__ARM_EABI__)
#define __arch_pack __attribute__((packed))
#else
#define __arch_pack
#endif

#define ASSERT_ALWAYS(expr)	\
	(unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))

#ifdef DEBUG
#define ASSERT(expr)	\
	(unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))

#ifndef STATIC
# define STATIC noinline
#endif

#else	/* !DEBUG */

#ifdef XFS_WARN

#define ASSERT(expr)	\
	(unlikely(expr) ? (void)0 : asswarn(#expr, __FILE__, __LINE__))

#ifndef STATIC
# define STATIC static noinline
#endif

#else	/* !DEBUG && !XFS_WARN */

#define ASSERT(expr)	((void)0)

#ifndef STATIC
# define STATIC static noinline
#endif

#endif /* XFS_WARN */
#endif /* DEBUG */

#endif /* __XFS_LINUX__ */
Commit	Line	Data
1da177e4	1	/*
7b718769 NS	2	* Copyright (c) 2000-2005 Silicon Graphics, Inc.
7b718769 NS	3	* All Rights Reserved.
1da177e4	4	*
7b718769 NS	5	* This program is free software; you can redistribute it and/or
7b718769 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7b718769 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
1da177e4	13	*
7b718769 NS	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4 LT	17	*/
	18	#ifndef __XFS_LINUX__
	19	#define __XFS_LINUX__
	20
	21	#include <linux/types.h>
1da177e4 LT	22
1da177e4 LT	23	/*
1da177e4	24	* XFS_BIG_BLKNOS needs block layer disk addresses to be 64 bits.
6c31b93a	25	* XFS_BIG_INUMS requires XFS_BIG_BLKNOS to be set.
1da177e4	26	*/
90c699a9	27	#if defined(CONFIG_LBDAF) \|\| (BITS_PER_LONG == 64)
1da177e4	28	# define XFS_BIG_BLKNOS 1
6c31b93a	29	# define XFS_BIG_INUMS 1
1da177e4 LT	30	#else
	31	# define XFS_BIG_BLKNOS 0
	32	# define XFS_BIG_INUMS 0
	33	#endif
	34
4f3d71f6 DC	35	/*
	36	* Kernel specific type declarations for XFS
	37	*/
	38	typedef signed char __int8_t;
	39	typedef unsigned char __uint8_t;
	40	typedef signed short int __int16_t;
	41	typedef unsigned short int __uint16_t;
	42	typedef signed int __int32_t;
	43	typedef unsigned int __uint32_t;
	44	typedef signed long long int __int64_t;
	45	typedef unsigned long long int __uint64_t;
	46
	47	typedef __uint32_t inst_t; /* an instruction */
	48
	49	typedef __s64 xfs_off_t; /* <file offset> type */
	50	typedef unsigned long long xfs_ino_t; /* <inode> type */
	51	typedef __s64 xfs_daddr_t; /* <disk address> type */
	52	typedef char * xfs_caddr_t; /* <core address> type */
	53	typedef __u32 xfs_dev_t;
	54	typedef __u32 xfs_nlink_t;
	55
	56	/* __psint_t is the same size as a pointer */
	57	#if (BITS_PER_LONG == 32)
	58	typedef __int32_t __psint_t;
	59	typedef __uint32_t __psunsigned_t;
	60	#elif (BITS_PER_LONG == 64)
	61	typedef __int64_t __psint_t;
	62	typedef __uint64_t __psunsigned_t;
	63	#else
	64	#error BITS_PER_LONG must be 32 or 64
	65	#endif
	66
06f8e2d6	67	#include "xfs_types.h"
1da177e4	68
06f8e2d6 AE	69	#include "kmem.h"
	70	#include "mrlock.h"
	71	#include "time.h"
	72	#include "uuid.h"
1da177e4	73
ab4a9b04	74	#include <linux/semaphore.h>
1da177e4 LT	75	#include <linux/mm.h>
	76	#include <linux/kernel.h>
	77	#include <linux/blkdev.h>
	78	#include <linux/slab.h>
bc02e869	79	#include <linux/crc32c.h>
1da177e4	80	#include <linux/module.h>
a0b0b8a5	81	#include <linux/mutex.h>
1da177e4 LT	82	#include <linux/file.h>
	83	#include <linux/swap.h>
	84	#include <linux/errno.h>
	85	#include <linux/sched.h>
	86	#include <linux/bitops.h>
	87	#include <linux/major.h>
	88	#include <linux/pagemap.h>
	89	#include <linux/vfs.h>
	90	#include <linux/seq_file.h>
	91	#include <linux/init.h>
	92	#include <linux/list.h>
	93	#include <linux/proc_fs.h>
1da177e4	94	#include <linux/sort.h>
e8234a68 DC	95	#include <linux/cpu.h>
e8234a68 DC	96	#include <linux/notifier.h>
01e1b69c	97	#include <linux/delay.h>
af3a2e8a	98	#include <linux/log2.h>
007c61c6	99	#include <linux/spinlock.h>
64275ea4	100	#include <linux/random.h>
189f4bf2	101	#include <linux/ctype.h>
6bfb3d06	102	#include <linux/writeback.h>
6c77b0ea	103	#include <linux/capability.h>
0030807c CH	104	#include <linux/kthread.h>
0030807c CH	105	#include <linux/freezer.h>
8a072a4d	106	#include <linux/list_sort.h>
3d6e0361	107	#include <linux/ratelimit.h>
1da177e4 LT	108
	109	#include <asm/page.h>
	110	#include <asm/div64.h>
	111	#include <asm/param.h>
	112	#include <asm/uaccess.h>
	113	#include <asm/byteorder.h>
	114	#include <asm/unaligned.h>
	115
06f8e2d6 AE	116	#include "xfs_vnode.h"
	117	#include "xfs_stats.h"
	118	#include "xfs_sysctl.h"
	119	#include "xfs_iops.h"
	120	#include "xfs_aops.h"
	121	#include "xfs_super.h"
	122	#include "xfs_buf.h"
	123	#include "xfs_message.h"
1da177e4	124
218106a1 CH	125	#ifdef __BIG_ENDIAN
	126	#define XFS_NATIVE_HOST 1
	127	#else
	128	#undef XFS_NATIVE_HOST
	129	#endif
	130
1da177e4 LT	131	/*
	132	* Feature macros (disable/enable)
	133	*/
d2c32edf	134	#ifdef CONFIG_SMP
8d280b98 DC	135	#define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */
	136	#else
	137	#undef HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */
	138	#endif
1da177e4	139
1da177e4 LT	140	#define irix_sgid_inherit xfs_params.sgid_inherit.val
	141	#define irix_symlink_mode xfs_params.symlink_mode.val
	142	#define xfs_panic_mask xfs_params.panic_mask.val
	143	#define xfs_error_level xfs_params.error_level.val
	144	#define xfs_syncd_centisecs xfs_params.syncd_timer.val
	145	#define xfs_stats_clear xfs_params.stats_clear.val
	146	#define xfs_inherit_sync xfs_params.inherit_sync.val
	147	#define xfs_inherit_nodump xfs_params.inherit_nodump.val
	148	#define xfs_inherit_noatime xfs_params.inherit_noatim.val
	149	#define xfs_buf_timer_centisecs xfs_params.xfs_buf_timer.val
	150	#define xfs_buf_age_centisecs xfs_params.xfs_buf_age.val
	151	#define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val
	152	#define xfs_rotorstep xfs_params.rotorstep.val
d3446eac	153	#define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val
2a82b8be	154	#define xfs_fstrm_centisecs xfs_params.fstrm_timer.val
579b62fa	155	#define xfs_eofb_secs xfs_params.eofb_timer.val
1da177e4	156
59c1b082	157	#define current_cpu() (raw_smp_processor_id())
1da177e4	158	#define current_pid() (current->pid)
59c1b082	159	#define current_test_flags(f) (current->flags & (f))
59c1b082 NS	160	#define current_set_flags_nested(sp, f) \
	161	(*(sp) = current->flags, current->flags \|= (f))
	162	#define current_clear_flags_nested(sp, f) \
	163	(*(sp) = current->flags, current->flags &= ~(f))
	164	#define current_restore_flags_nested(sp, f) \
	165	(current->flags = ((current->flags & ~(f)) \| (*(sp) & (f))))
1da177e4	166
007c61c6 ES	167	#define spinlock_destroy(lock)
007c61c6 ES	168
1da177e4	169	#define NBBY 8 /* number of bits per byte */
1da177e4 LT	170
	171	/*
	172	* Size of block device i/o is parameterized here.
	173	* Currently the system supports page-sized i/o.
	174	*/
e6a4b37f	175	#define BLKDEV_IOSHIFT PAGE_CACHE_SHIFT
1da177e4 LT	176	#define BLKDEV_IOSIZE (1<<BLKDEV_IOSHIFT)
	177	/* number of BB's per block device block */
	178	#define BLKDEV_BB BTOBB(BLKDEV_IOSIZE)
	179
1da177e4	180	#define ENOATTR ENODATA /* Attribute not found */
da2f4d67 NS	181	#define EWRONGFS EINVAL /* Mount with wrong filesystem type */
da2f4d67 NS	182	#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */
1da177e4 LT	183
	184	#define SYNCHRONIZE() barrier()
	185	#define __return_address __builtin_return_address(0)
	186
6743099c	187	#define XFS_PROJID_DEFAULT 0
1da177e4 LT	188	#define MAXPATHLEN 1024
	189
	190	#define MIN(a,b) (min(a,b))
	191	#define MAX(a,b) (max(a,b))
	192	#define howmany(x, y) (((x)+((y)-1))/(y))
1da177e4	193
cde410a9 NS	194	/*
	195	* Various platform dependent calls that don't fit anywhere else
	196	*/
380b5dc0	197	#define xfs_sort(a,n,s,fn) sort(a,n,s,fn,NULL)
1da177e4	198	#define xfs_stack_trace() dump_stack()
1da177e4 LT	199
	200
	201	/* Move the kernel do_div definition off to one side */
	202
	203	#if defined __i386__
	204	/* For ia32 we need to pull some tricks to get past various versions
	205	* of the compiler which do not like us using do_div in the middle
	206	* of large functions.
	207	*/
	208	static inline __u32 xfs_do_div(void *a, __u32 b, int n)
	209	{
	210	__u32 mod;
	211
	212	switch (n) {
	213	case 4:
	214	mod = (__u32 )a % b;
	215	(__u32 )a = (__u32 )a / b;
	216	return mod;
	217	case 8:
	218	{
	219	unsigned long __upper, __low, __high, __mod;
	220	__u64 c = (__u64 )a;
	221	__upper = __high = c >> 32;
	222	__low = c;
	223	if (__high) {
	224	__upper = __high % (b);
	225	__high = __high / (b);
	226	}
	227	asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (b), "0" (__low), "1" (__upper));
	228	asm("":"=A" (c):"a" (__low),"d" (__high));
	229	(__u64 )a = c;
	230	return __mod;
	231	}
	232	}
	233
	234	/* NOTREACHED */
	235	return 0;
	236	}
	237
	238	/* Side effect free 64 bit mod operation */
	239	static inline __u32 xfs_do_mod(void *a, __u32 b, int n)
	240	{
	241	switch (n) {
	242	case 4:
	243	return (__u32 )a % b;
	244	case 8:
	245	{
	246	unsigned long __upper, __low, __high, __mod;
	247	__u64 c = (__u64 )a;
	248	__upper = __high = c >> 32;
	249	__low = c;
	250	if (__high) {
	251	__upper = __high % (b);
	252	__high = __high / (b);
	253	}
	254	asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (b), "0" (__low), "1" (__upper));
	255	asm("":"=A" (c):"a" (__low),"d" (__high));
	256	return __mod;
	257	}
	258	}
	259
	260	/* NOTREACHED */
	261	return 0;
	262	}
263	#else
264	static inline __u32 xfs_do_div(void *a, __u32 b, int n)
265	{
266	__u32 mod;
267
268	switch (n) {
269	case 4:
270	mod = (__u32 )a % b;
271	(__u32 )a = (__u32 )a / b;
272	return mod;
273	case 8:
274	mod = do_div((__u64 )a, b);
275	return mod;
276	}
277
278	/* NOTREACHED */
279	return 0;
280	}
281
282	/* Side effect free 64 bit mod operation */
283	static inline __u32 xfs_do_mod(void *a, __u32 b, int n)
284	{
285	switch (n) {
286	case 4:
287	return (__u32 )a % b;
288	case 8:
289	{
290	__u64 c = (__u64 )a;
291	return do_div(c, b);
292	}
293	}
294
295	/* NOTREACHED */
296	return 0;
297	}
298	#endif
299
300	#undef do_div
301	#define do_div(a, b) xfs_do_div(&(a), (b), sizeof(a))
302	#define do_mod(a, b) xfs_do_mod(&(a), (b), sizeof(a))
303
304	static inline __uint64_t roundup_64(__uint64_t x, __uint32_t y)
305	{
306	x += y - 1;
307	do_div(x, y);
308	return(x * y);
309	}
310
68c32715 NS	311	static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y)
	312	{
	313	x += y - 1;
	314	do_div(x, y);
	315	return x;
	316	}
	317
ae23a5e8 ES	318	/* ARM old ABI has some weird alignment/padding */
	319	#if defined(__arm__) && !defined(__ARM_EABI__)
	320	#define __arch_pack __attribute__((packed))
	321	#else
	322	#define __arch_pack
	323	#endif
	324
9130090b DC	325	#define ASSERT_ALWAYS(expr) \
	326	(unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
	327
742ae1e3 DC	328	#ifdef DEBUG
	329	#define ASSERT(expr) \
	330	(unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
9130090b DC	331
9130090b DC	332	#ifndef STATIC
742ae1e3	333	# define STATIC noinline
9130090b DC	334	#endif
9130090b DC	335
742ae1e3 DC	336	#else /* !DEBUG */
	337
	338	#ifdef XFS_WARN
9130090b DC	339
9130090b DC	340	#define ASSERT(expr) \
742ae1e3	341	(unlikely(expr) ? (void)0 : asswarn(#expr, __FILE__, __LINE__))
9130090b DC	342
9130090b DC	343	#ifndef STATIC
742ae1e3 DC	344	# define STATIC static noinline
	345	#endif
	346
	347	#else /* !DEBUG && !XFS_WARN */
	348
	349	#define ASSERT(expr) ((void)0)
	350
	351	#ifndef STATIC
	352	# define STATIC static noinline
9130090b DC	353	#endif
9130090b DC	354
742ae1e3	355	#endif /* XFS_WARN */
9130090b DC	356	#endif /* DEBUG */
9130090b DC	357
1da177e4	358	#endif /* __XFS_LINUX__ */