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xfs_types.h
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/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 3 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.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __XFS_TYPES_H__
#define __XFS_TYPES_H__
/*
* Some types are conditional based on the selected configuration.
* Set XFS_BIG_FILES=1 or 0 and XFS_BIG_FILESYSTEMS=1 or 0 depending
* on the desired configuration.
* XFS_BIG_FILES needs pgno_t to be 64 bits (64-bit kernels).
* XFS_BIG_FILESYSTEMS needs daddr_t to be 64 bits (N32 and 64-bit kernels).
*
* Expect these to be set from klocaldefs, or from the machine-type
* defs files for the normal case.
*/
#define XFS_BIG_FILES 1
#define XFS_BIG_FILESYSTEMS 1
typedef uint32_t xfs_agblock_t; /* blockno in alloc. group */
typedef uint32_t xfs_extlen_t; /* extent length in blocks */
typedef uint32_t xfs_agnumber_t; /* allocation group number */
typedef int32_t xfs_extnum_t; /* # of extents in a file */
typedef int16_t xfs_aextnum_t; /* # extents in an attribute fork */
typedef int64_t xfs_fsize_t; /* bytes in a file */
typedef uint64_t xfs_ufsize_t; /* unsigned bytes in a file */
typedef int32_t xfs_suminfo_t; /* type of bitmap summary info */
typedef int32_t xfs_rtword_t; /* word type for bitmap manipulations */
typedef int64_t xfs_lsn_t; /* log sequence number */
typedef int32_t xfs_tid_t; /* transaction identifier */
typedef uint32_t xfs_dablk_t; /* dir/attr block number (in file) */
typedef uint32_t xfs_dahash_t; /* dir/attr hash value */
typedef uint16_t xfs_prid_t; /* prid_t truncated to 16bits in XFS */
/*
* These types are 64 bits on disk but are either 32 or 64 bits in memory.
* Disk based types:
*/
typedef uint64_t xfs_dfsbno_t; /* blockno in filesystem (agno|agbno) */
typedef uint64_t xfs_drfsbno_t; /* blockno in filesystem (raw) */
typedef uint64_t xfs_drtbno_t; /* extent (block) in realtime area */
typedef uint64_t xfs_dfiloff_t; /* block number in a file */
typedef uint64_t xfs_dfilblks_t; /* number of blocks in a file */
/*
* Memory based types are conditional.
*/
#if XFS_BIG_FILESYSTEMS
typedef uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */
typedef uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */
typedef uint64_t xfs_rtblock_t; /* extent (block) in realtime area */
typedef int64_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
#else
typedef uint32_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */
typedef uint32_t xfs_rfsblock_t; /* blockno in filesystem (raw) */
typedef uint32_t xfs_rtblock_t; /* extent (block) in realtime area */
typedef int32_t xfs_srtblock_t; /* signed version of xfs_rtblock_t */
#endif
#if XFS_BIG_FILES
typedef uint64_t xfs_fileoff_t; /* block number in a file */
typedef int64_t xfs_sfiloff_t; /* signed block number in a file */
typedef uint64_t xfs_filblks_t; /* number of blocks in a file */
#else
typedef uint32_t xfs_fileoff_t; /* block number in a file */
typedef int32_t xfs_sfiloff_t; /* signed block number in a file */
typedef uint32_t xfs_filblks_t; /* number of blocks in a file */
#endif
typedef uint8_t xfs_arch_t; /* architecutre of an xfs fs */
/*
* Null values for the types.
*/
#define NULLDFSBNO ((xfs_dfsbno_t)-1)
#define NULLDRFSBNO ((xfs_drfsbno_t)-1)
#define NULLDRTBNO ((xfs_drtbno_t)-1)
#define NULLDFILOFF ((xfs_dfiloff_t)-1)
#define NULLFSBLOCK ((xfs_fsblock_t)-1)
#define NULLRFSBLOCK ((xfs_rfsblock_t)-1)
#define NULLRTBLOCK ((xfs_rtblock_t)-1)
#define NULLFILEOFF ((xfs_fileoff_t)-1)
#define NULLAGBLOCK ((xfs_agblock_t)-1)
#define NULLAGNUMBER ((xfs_agnumber_t)-1)
#define NULLEXTNUM ((xfs_extnum_t)-1)
#define NULLCOMMITLSN ((xfs_lsn_t)-1)
/*
* Max values for extlen, extnum, aextnum.
*/
#define MAXEXTLEN ((xfs_extlen_t)0x001fffff) /* 21 bits */
#define MAXEXTNUM ((xfs_extnum_t)0x7fffffff) /* signed int */
#define MAXAEXTNUM ((xfs_aextnum_t)0x7fff) /* signed short */
/*
* MAXNAMELEN is the length (including the terminating null) of
* the longest permissible file (component) name.
*/
#define MAXNAMELEN 256
typedef enum {
XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi
} xfs_lookup_t;
typedef enum {
XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi,
XFS_BTNUM_MAX
} xfs_btnum_t;
#ifdef CONFIG_PROC_FS
/*
* XFS global statistics
*/
struct xfsstats {
# define XFSSTAT_END_EXTENT_ALLOC 4
uint32_t xs_allocx;
uint32_t xs_allocb;
uint32_t xs_freex;
uint32_t xs_freeb;
# define XFSSTAT_END_ALLOC_BTREE (XFSSTAT_END_EXTENT_ALLOC+4)
uint32_t xs_abt_lookup;
uint32_t xs_abt_compare;
uint32_t xs_abt_insrec;
uint32_t xs_abt_delrec;
# define XFSSTAT_END_BLOCK_MAPPING (XFSSTAT_END_ALLOC_BTREE+7)
uint32_t xs_blk_mapr;
uint32_t xs_blk_mapw;
uint32_t xs_blk_unmap;
uint32_t xs_add_exlist;
uint32_t xs_del_exlist;
uint32_t xs_look_exlist;
uint32_t xs_cmp_exlist;
# define XFSSTAT_END_BLOCK_MAP_BTREE (XFSSTAT_END_BLOCK_MAPPING+4)
uint32_t xs_bmbt_lookup;
uint32_t xs_bmbt_compare;
uint32_t xs_bmbt_insrec;
uint32_t xs_bmbt_delrec;
# define XFSSTAT_END_DIRECTORY_OPS (XFSSTAT_END_BLOCK_MAP_BTREE+4)
uint32_t xs_dir_lookup;
uint32_t xs_dir_create;
uint32_t xs_dir_remove;
uint32_t xs_dir_getdents;
# define XFSSTAT_END_TRANSACTIONS (XFSSTAT_END_DIRECTORY_OPS+3)
uint32_t xs_trans_sync;
uint32_t xs_trans_async;
uint32_t xs_trans_empty;
# define XFSSTAT_END_INODE_OPS (XFSSTAT_END_TRANSACTIONS+7)
uint32_t xs_ig_attempts;
uint32_t xs_ig_found;
uint32_t xs_ig_frecycle;
uint32_t xs_ig_missed;
uint32_t xs_ig_dup;
uint32_t xs_ig_reclaims;
uint32_t xs_ig_attrchg;
# define XFSSTAT_END_LOG_OPS (XFSSTAT_END_INODE_OPS+5)
uint32_t xs_log_writes;
uint32_t xs_log_blocks;
uint32_t xs_log_noiclogs;
uint32_t xs_log_force;
uint32_t xs_log_force_sleep;
# define XFSSTAT_END_TAIL_PUSHING (XFSSTAT_END_LOG_OPS+10)
uint32_t xs_try_logspace;
uint32_t xs_sleep_logspace;
uint32_t xs_push_ail;
uint32_t xs_push_ail_success;
uint32_t xs_push_ail_pushbuf;
uint32_t xs_push_ail_pinned;
uint32_t xs_push_ail_locked;
uint32_t xs_push_ail_flushing;
uint32_t xs_push_ail_restarts;
uint32_t xs_push_ail_flush;
# define XFSSTAT_END_WRITE_CONVERT (XFSSTAT_END_TAIL_PUSHING+2)
uint32_t xs_xstrat_quick;
uint32_t xs_xstrat_split;
# define XFSSTAT_END_READ_WRITE_OPS (XFSSTAT_END_WRITE_CONVERT+2)
uint32_t xs_write_calls;
uint32_t xs_read_calls;
# define XFSSTAT_END_ATTRIBUTE_OPS (XFSSTAT_END_READ_WRITE_OPS+4)
uint32_t xs_attr_get;
uint32_t xs_attr_set;
uint32_t xs_attr_remove;
uint32_t xs_attr_list;
# define XFSSTAT_END_QUOTA_OPS (XFSSTAT_END_ATTRIBUTE_OPS+8)
uint32_t xs_qm_dqreclaims;
uint32_t xs_qm_dqreclaim_misses;
uint32_t xs_qm_dquot_dups;
uint32_t xs_qm_dqcachemisses;
uint32_t xs_qm_dqcachehits;
uint32_t xs_qm_dqwants;
uint32_t xs_qm_dqshake_reclaims;
uint32_t xs_qm_dqinact_reclaims;
# define XFSSTAT_END_INODE_CLUSTER (XFSSTAT_END_QUOTA_OPS+3)
uint32_t xs_iflush_count;
uint32_t xs_icluster_flushcnt;
uint32_t xs_icluster_flushinode;
# define XFSSTAT_END_VNODE_OPS (XFSSTAT_END_INODE_CLUSTER+8)
uint32_t vn_active; /* # vnodes not on free lists */
uint32_t vn_alloc; /* # times vn_alloc called */
uint32_t vn_get; /* # times vn_get called */
uint32_t vn_hold; /* # times vn_hold called */
uint32_t vn_rele; /* # times vn_rele called */
uint32_t vn_reclaim; /* # times vn_reclaim called */
uint32_t vn_remove; /* # times vn_remove called */
uint32_t vn_free; /* # times vn_free called */
struct xfsstats_xpc {
uint64_t xs_xstrat_bytes;
uint64_t xs_write_bytes;
uint64_t xs_read_bytes;
} xpc;
} xfsstats;
# define XFS_STATS_INC(count) ( xfsstats.##count ++ )
# define XFS_STATS_DEC(count) ( xfsstats.##count -- )
# define XFS_STATS_ADD(count, inc) ( xfsstats.##count += (inc) )
# define XFS_STATS64_INC(count) ( xfsstats.xpc.##count ++ )
# define XFS_STATS64_ADD(count, inc) ( xfsstats.xpc.##count += (inc) )
#else /* !CONFIG_PROC_FS */
# define XFS_STATS_INC(count)
# define XFS_STATS_DEC(count)
# define XFS_STATS_ADD(count, inc)
# define XFS_STATS64_INC(count)
# define XFS_STATS64_ADD(count, inc)
#endif /* !CONFIG_PROC_FS */
#ifdef __KERNEL__
/* juggle IRIX device numbers - still used in ondisk structures */
#define IRIX_DEV_BITSMAJOR 14
#define IRIX_DEV_BITSMINOR 18
#define IRIX_DEV_MAXMAJ 0x1ff
#define IRIX_DEV_MAXMIN 0x3ffff
#define IRIX_DEV_MAJOR(dev) ((int)(((unsigned)(dev)>>IRIX_DEV_BITSMINOR) \
& IRIX_DEV_MAXMAJ))
#define IRIX_DEV_MINOR(dev) ((int)((dev)&IRIX_DEV_MAXMIN))
#define IRIX_MKDEV(major,minor) ((xfs_dev_t)(((major)<<IRIX_DEV_BITSMINOR) \
| (minor&IRIX_DEV_MAXMIN)))
#define IRIX_DEV_TO_KDEVT(dev) MKDEV(IRIX_DEV_MAJOR(dev),IRIX_DEV_MINOR(dev))
#define IRIX_DEV_TO_DEVT(dev) ((IRIX_DEV_MAJOR(dev)<<8)|IRIX_DEV_MINOR(dev))
/* __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
/*
* struct for passing owner/requestor id
*/
typedef struct flid {
#ifdef CELL_CAPABLE
pid_t fl_pid;
sysid_t fl_sysid;
#endif
} flid_t;
#endif /* __KERNEL__ */
#endif /* !__XFS_TYPES_H */
__psunsigned_t
unsigned int __psunsigned_t
Definition platform_defs.h:93
__psint_t
int __psint_t
Definition platform_defs.h:75
xfs_extnum_t
int32_t xfs_extnum_t
Definition xfs_types.h:51
xfs_fsize_t
int64_t xfs_fsize_t
Definition xfs_types.h:53
xfs_dfiloff_t
uint64_t xfs_dfiloff_t
Definition xfs_types.h:74
xfs_sfiloff_t
int64_t xfs_sfiloff_t
Definition xfs_types.h:93
xfs_srtblock_t
int64_t xfs_srtblock_t
Definition xfs_types.h:84
xfs_lsn_t
int64_t xfs_lsn_t
Definition xfs_types.h:59
xfs_btnum_t
xfs_btnum_t
Definition xfs_types.h:139
XFS_BTNUM_INOi
@ XFS_BTNUM_INOi
Definition xfs_types.h:140
XFS_BTNUM_BMAPi
@ XFS_BTNUM_BMAPi
Definition xfs_types.h:140
XFS_BTNUM_CNTi
@ XFS_BTNUM_CNTi
Definition xfs_types.h:140
XFS_BTNUM_MAX
@ XFS_BTNUM_MAX
Definition xfs_types.h:141
XFS_BTNUM_BNOi
@ XFS_BTNUM_BNOi
Definition xfs_types.h:140
xfs_lookup_t
xfs_lookup_t
Definition xfs_types.h:135
XFS_LOOKUP_LEi
@ XFS_LOOKUP_LEi
Definition xfs_types.h:136
XFS_LOOKUP_GEi
@ XFS_LOOKUP_GEi
Definition xfs_types.h:136
XFS_LOOKUP_EQi
@ XFS_LOOKUP_EQi
Definition xfs_types.h:136
xfs_aextnum_t
int16_t xfs_aextnum_t
Definition xfs_types.h:52
xfs_dahash_t
uint32_t xfs_dahash_t
Definition xfs_types.h:63
xfs_drtbno_t
uint64_t xfs_drtbno_t
Definition xfs_types.h:73
xfs_suminfo_t
int32_t xfs_suminfo_t
Definition xfs_types.h:56
xfs_rfsblock_t
uint64_t xfs_rfsblock_t
Definition xfs_types.h:82
xfs_arch_t
uint8_t xfs_arch_t
Definition xfs_types.h:101
xfs_rtword_t
int32_t xfs_rtword_t
Definition xfs_types.h:57
xfs_dfilblks_t
uint64_t xfs_dfilblks_t
Definition xfs_types.h:75
xfs_tid_t
int32_t xfs_tid_t
Definition xfs_types.h:60
xfs_agnumber_t
uint32_t xfs_agnumber_t
Definition xfs_types.h:50
xfs_ufsize_t
uint64_t xfs_ufsize_t
Definition xfs_types.h:54
xfs_dfsbno_t
uint64_t xfs_dfsbno_t
Definition xfs_types.h:71
xfs_drfsbno_t
uint64_t xfs_drfsbno_t
Definition xfs_types.h:72
xfs_fsblock_t
uint64_t xfs_fsblock_t
Definition xfs_types.h:81
xfs_fileoff_t
uint64_t xfs_fileoff_t
Definition xfs_types.h:92
xfs_rtblock_t
uint64_t xfs_rtblock_t
Definition xfs_types.h:83
xfs_filblks_t
uint64_t xfs_filblks_t
Definition xfs_types.h:94
xfs_agblock_t
uint32_t xfs_agblock_t
Definition xfs_types.h:48
xfs_prid_t
uint16_t xfs_prid_t
Definition xfs_types.h:65
xfs_extlen_t
uint32_t xfs_extlen_t
Definition xfs_types.h:49
xfs_dablk_t
uint32_t xfs_dablk_t
Definition xfs_types.h:62