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/*

 * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of version 2 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, write the Free Software Foundation, Inc., 59

 * Temple Place - Suite 330, Boston MA 02111-1307, USA.

 *

 * 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_INODE_H__

#define __XFS_INODE_H__

/*

 * File incore extent information, present for each of data & attr forks.

 */

#define XFS_INLINE_EXTS 2

#define XFS_INLINE_DATA 32

typedef struct xfs_ifork {

        int                     if_bytes;       /* bytes in if_u1 */

        int                     if_real_bytes;  /* bytes allocated in if_u1 */

        xfs_bmbt_block_t        *if_broot;      /* file's incore btree root */

        short                   if_broot_bytes; /* bytes allocated for root */

        unsigned char           if_flags;       /* per-fork flags */

        unsigned char           if_ext_max;     /* max # of extent records */

        xfs_extnum_t            if_lastex;      /* last if_extents used */

        union {

                xfs_bmbt_rec_t  *if_extents;    /* linear map file exts */

                char            *if_data;       /* inline file data */

        } if_u1;

        union {

                xfs_bmbt_rec_t  if_inline_ext[XFS_INLINE_EXTS];

                                                /* very small file extents */

                char            if_inline_data[XFS_INLINE_DATA];

                                                /* very small file data */

                xfs_dev_t       if_rdev;        /* dev number if special */

                uuid_t          if_uuid;        /* mount point value */

        } if_u2;

} xfs_ifork_t;

/*

 * Flags for xfs_ichgtime().

 */

#define XFS_ICHGTIME_MOD        0x1     /* data fork modification timestamp */

#define XFS_ICHGTIME_ACC        0x2     /* data fork access timestamp */

#define XFS_ICHGTIME_CHG        0x4     /* inode field change timestamp */

/*

 * Per-fork incore inode flags.

 */

#define XFS_IFINLINE    0x0001  /* Inline data is read in */

#define XFS_IFEXTENTS   0x0002  /* All extent pointers are read in */

#define XFS_IFBROOT     0x0004  /* i_broot points to the bmap b-tree root */

/*

 * Flags for xfs_imap() and xfs_dilocate().

 */

#define XFS_IMAP_LOOKUP         0x1

/*

 * Maximum number of extent pointers in if_u1.if_extents.

 */

#define XFS_MAX_INCORE_EXTENTS  32768

#ifdef __KERNEL__

struct bhv_desc;

struct cred;

struct ktrace;

struct vnode;

struct xfs_buf;

struct xfs_bmap_free;

struct xfs_bmbt_irec;

struct xfs_bmbt_block;

struct xfs_inode;

struct xfs_inode_log_item;

struct xfs_mount;

struct xfs_trans;

struct xfs_dquot;

#if defined(XFS_ILOCK_TRACE)

#define XFS_ILOCK_KTRACE_SIZE   32

extern ktrace_t *xfs_ilock_trace_buf;

extern void xfs_ilock_trace(struct xfs_inode *, int, unsigned int, inst_t *);

#else

#define xfs_ilock_trace(i,n,f,ra)

#endif

/*

 * This structure is used to communicate which extents of a file

 * were holes when a write started from xfs_write_file() to

 * xfs_strat_read().  This is necessary so that we can know which

 * blocks need to be zeroed when they are read in in xfs_strat_read()

 * if they weren\'t allocated when the buffer given to xfs_strat_read()

 * was mapped.

 *

 * We keep a list of these attached to the inode.  The list is

 * protected by the inode lock and the fact that the io lock is

 * held exclusively by writers.

 */

typedef struct xfs_gap {

        struct xfs_gap  *xg_next;

        xfs_fileoff_t   xg_offset_fsb;

        xfs_extlen_t    xg_count_fsb;

} xfs_gap_t;

typedef struct dm_attrs_s {

        __uint32_t      da_dmevmask;    /* DMIG event mask */

        __uint16_t      da_dmstate;     /* DMIG state info */

        __uint16_t      da_pad;         /* DMIG extra padding */

} dm_attrs_t;

typedef struct xfs_iocore {

        void                    *io_obj;        /* pointer to container

                                                 * inode or dcxvn structure */

        struct xfs_mount        *io_mount;      /* fs mount struct ptr */

#ifdef DEBUG

        mrlock_t                *io_lock;       /* inode IO lock */

        mrlock_t                *io_iolock;     /* inode IO lock */

#endif

        /* I/O state */

        xfs_fsize_t             io_new_size;    /* sz when write completes */

        /* Miscellaneous state. */

        unsigned int            io_flags;       /* IO related flags */

        /* DMAPI state */

        dm_attrs_t              io_dmattrs;

} xfs_iocore_t;

#define        io_dmevmask     io_dmattrs.da_dmevmask

#define        io_dmstate      io_dmattrs.da_dmstate

#define XFS_IO_INODE(io)        ((xfs_inode_t *) ((io)->io_obj))

#define XFS_IO_DCXVN(io)        ((dcxvn_t *) ((io)->io_obj))

/*

 * Flags in the flags field

 */

#define XFS_IOCORE_RT           0x1

/*

 * xfs_iocore prototypes

 */

extern void xfs_iocore_inode_init(struct xfs_inode *);

extern void xfs_iocore_inode_reinit(struct xfs_inode *);

/*

 * This is the type used in the xfs inode hash table.

 * An array of these is allocated for each mounted

 * file system to hash the inodes for that file system.

 */

typedef struct xfs_ihash {

        struct xfs_inode        *ih_next;

        rwlock_t                ih_lock;

        uint                    ih_version;

} xfs_ihash_t;

/*

 * Inode hashing and hash bucket locking.

 */

#define XFS_BUCKETS(mp) (37*(mp)->m_sb.sb_agcount-1)

#define XFS_IHASH(mp,ino) ((mp)->m_ihash + (((uint)(ino)) % (mp)->m_ihsize))

/*

 * This is the xfs inode cluster hash.  This hash is used by xfs_iflush to

 * find inodes that share a cluster and can be flushed to disk at the same

 * time.

 */

typedef struct xfs_chashlist {

        struct xfs_chashlist    *chl_next;

        struct xfs_inode        *chl_ip;

        xfs_daddr_t             chl_blkno;      /* starting block number of

                                                 * the cluster */

        struct xfs_buf          *chl_buf;       /* the inode buffer */

} xfs_chashlist_t;

typedef struct xfs_chash {

        xfs_chashlist_t         *ch_list;

        lock_t                  ch_lock;

} xfs_chash_t;

/*

 * This is the xfs in-core inode structure.

 * Most of the on-disk inode is embedded in the i_d field.

 *

 * The extent pointers/inline file space, however, are managed

 * separately.  The memory for this information is pointed to by

 * the if_u1 unions depending on the type of the data.

 * This is used to linearize the array of extents for fast in-core

 * access.  This is used until the file's number of extents

 * surpasses XFS_MAX_INCORE_EXTENTS, at which point all extent pointers

 * are accessed through the buffer cache.

 *

 * Other state kept in the in-core inode is used for identification,

 * locking, transactional updating, etc of the inode.

 *

 * Generally, we do not want to hold the i_rlock while holding the

 * i_ilock. Hierarchy is i_iolock followed by i_rlock.

 *

 * xfs_iptr_t contains all the inode fields upto and including the

 * i_mnext and i_mprev fields, it is used as a marker in the inode

 * chain off the mount structure by xfs_sync calls.

 */

typedef struct {

        struct xfs_ihash        *ip_hash;       /* pointer to hash header */

        struct xfs_inode        *ip_next;       /* inode hash link forw */

        struct xfs_inode        *ip_mnext;      /* next inode in mount list */

        struct xfs_inode        *ip_mprev;      /* ptr to prev inode */

        struct xfs_inode        **ip_prevp;     /* ptr to prev i_next */

        struct xfs_mount        *ip_mount;      /* fs mount struct ptr */

} xfs_iptr_t;

typedef struct xfs_inode {

        /* Inode linking and identification information. */

        struct xfs_ihash        *i_hash;        /* pointer to hash header */

        struct xfs_inode        *i_next;        /* inode hash link forw */

        struct xfs_inode        *i_mnext;       /* next inode in mount list */

        struct xfs_inode        *i_mprev;       /* ptr to prev inode */

        struct xfs_inode        **i_prevp;      /* ptr to prev i_next */

        struct xfs_mount        *i_mount;       /* fs mount struct ptr */

        struct list_head        i_reclaim;      /* reclaim list */

        struct bhv_desc         i_bhv_desc;     /* inode behavior descriptor*/

        struct xfs_dquot        *i_udquot;      /* user dquot */

        struct xfs_dquot        *i_gdquot;      /* group dquot */

        /* Inode location stuff */

        xfs_ino_t               i_ino;          /* inode number (agno/agino)*/

        xfs_daddr_t             i_blkno;        /* blkno of inode buffer */

        ushort                  i_len;          /* len of inode buffer */

        ushort                  i_boffset;      /* off of inode in buffer */

        /* Extent information. */

        xfs_ifork_t             *i_afp;         /* attribute fork pointer */

        xfs_ifork_t             i_df;           /* data fork */

        /* Transaction and locking information. */

        struct xfs_trans        *i_transp;      /* ptr to owning transaction*/

        struct xfs_inode_log_item *i_itemp;     /* logging information */

        mrlock_t                i_lock;         /* inode lock */

        mrlock_t                i_iolock;       /* inode IO lock */

        sema_t                  i_flock;        /* inode flush lock */

        atomic_t                i_pincount;     /* inode pin count */

        wait_queue_head_t       i_ipin_wait;    /* inode pinning wait queue */

#ifdef HAVE_REFCACHE

        struct xfs_inode        **i_refcache;   /* ptr to entry in ref cache */

        struct xfs_inode        *i_release;     /* inode to unref */

#endif

        /* I/O state */

        xfs_iocore_t            i_iocore;       /* I/O core */

        /* Miscellaneous state. */

        unsigned short          i_flags;        /* see defined flags below */

        unsigned char           i_update_core;  /* timestamps/size is dirty */

        unsigned char           i_update_size;  /* di_size field is dirty */

        unsigned int            i_gen;          /* generation count */

        unsigned int            i_delayed_blks; /* count of delay alloc blks */

        xfs_dinode_core_t       i_d;            /* most of ondisk inode */

        xfs_chashlist_t         *i_chash;       /* cluster hash list header */

        struct xfs_inode        *i_cnext;       /* cluster hash link forward */

        struct xfs_inode        *i_cprev;       /* cluster hash link backward */

        /* Trace buffers per inode. */

#ifdef XFS_BMAP_TRACE

        struct ktrace           *i_xtrace;      /* inode extent list trace */

#endif

#ifdef XFS_BMBT_TRACE

        struct ktrace           *i_btrace;      /* inode bmap btree trace */

#endif

#ifdef XFS_RW_TRACE

        struct ktrace           *i_rwtrace;     /* inode read/write trace */

#endif

#ifdef XFS_ILOCK_TRACE

        struct ktrace           *i_lock_trace;  /* inode lock/unlock trace */

#endif

#ifdef XFS_DIR2_TRACE

        struct ktrace           *i_dir_trace;   /* inode directory trace */

#endif

} xfs_inode_t;

#endif  /* __KERNEL__ */

/*

 * Fork handling.

 */

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_PTR)

xfs_ifork_t *xfs_ifork_ptr(xfs_inode_t *ip, int w);

#define XFS_IFORK_PTR(ip,w)             xfs_ifork_ptr(ip,w)

#else

#define XFS_IFORK_PTR(ip,w)   ((w) == XFS_DATA_FORK ? &(ip)->i_df : (ip)->i_afp)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_Q)

int xfs_ifork_q(xfs_inode_t *ip);

#define XFS_IFORK_Q(ip)                 xfs_ifork_q(ip)

#else

#define XFS_IFORK_Q(ip)                 XFS_CFORK_Q(&(ip)->i_d)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_DSIZE)

int xfs_ifork_dsize(xfs_inode_t *ip);

#define XFS_IFORK_DSIZE(ip)             xfs_ifork_dsize(ip)

#else

#define XFS_IFORK_DSIZE(ip)             XFS_CFORK_DSIZE(&ip->i_d, ip->i_mount)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_ASIZE)

int xfs_ifork_asize(xfs_inode_t *ip);

#define XFS_IFORK_ASIZE(ip)             xfs_ifork_asize(ip)

#else

#define XFS_IFORK_ASIZE(ip)             XFS_CFORK_ASIZE(&ip->i_d, ip->i_mount)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_SIZE)

int xfs_ifork_size(xfs_inode_t *ip, int w);

#define XFS_IFORK_SIZE(ip,w)            xfs_ifork_size(ip,w)

#else

#define XFS_IFORK_SIZE(ip,w)            XFS_CFORK_SIZE(&ip->i_d, ip->i_mount, w)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_FORMAT)

int xfs_ifork_format(xfs_inode_t *ip, int w);

#define XFS_IFORK_FORMAT(ip,w)          xfs_ifork_format(ip,w)

#else

#define XFS_IFORK_FORMAT(ip,w)          XFS_CFORK_FORMAT(&ip->i_d, w)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_FMT_SET)

void xfs_ifork_fmt_set(xfs_inode_t *ip, int w, int n);

#define XFS_IFORK_FMT_SET(ip,w,n)       xfs_ifork_fmt_set(ip,w,n)

#else

#define XFS_IFORK_FMT_SET(ip,w,n)       XFS_CFORK_FMT_SET(&ip->i_d, w, n)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_NEXTENTS)

int xfs_ifork_nextents(xfs_inode_t *ip, int w);

#define XFS_IFORK_NEXTENTS(ip,w)        xfs_ifork_nextents(ip,w)

#else

#define XFS_IFORK_NEXTENTS(ip,w)        XFS_CFORK_NEXTENTS(&ip->i_d, w)

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IFORK_NEXT_SET)

void xfs_ifork_next_set(xfs_inode_t *ip, int w, int n);

#define XFS_IFORK_NEXT_SET(ip,w,n)      xfs_ifork_next_set(ip,w,n)

#else

#define XFS_IFORK_NEXT_SET(ip,w,n)      XFS_CFORK_NEXT_SET(&ip->i_d, w, n)

#endif

#ifdef __KERNEL__

/*

 * In-core inode flags.

 */

#define XFS_IGRIO       0x0001  /* inode used for guaranteed rate i/o */

#define XFS_IUIOSZ      0x0002  /* inode i/o sizes have been explicitly set */

#define XFS_IQUIESCE    0x0004  /* we have started quiescing for this inode */

#define XFS_IRECLAIM    0x0008  /* we have started reclaiming this inode    */

#define XFS_ISTALE      0x0010  /* inode has been staled */

#define XFS_IRECLAIMABLE 0x0020 /* inode can be reclaimed */

/*

 * Flags for inode locking.

 */

#define XFS_IOLOCK_EXCL         0x001

#define XFS_IOLOCK_SHARED       0x002

#define XFS_ILOCK_EXCL          0x004

#define XFS_ILOCK_SHARED        0x008

#define XFS_IUNLOCK_NONOTIFY    0x010

#define XFS_EXTENT_TOKEN_RD     0x040

#define XFS_SIZE_TOKEN_RD       0x080

#define XFS_EXTSIZE_RD          (XFS_EXTENT_TOKEN_RD|XFS_SIZE_TOKEN_RD)

#define XFS_WILLLEND            0x100   /* Always acquire tokens for lending */

#define XFS_EXTENT_TOKEN_WR     (XFS_EXTENT_TOKEN_RD | XFS_WILLLEND)

#define XFS_SIZE_TOKEN_WR       (XFS_SIZE_TOKEN_RD | XFS_WILLLEND)

#define XFS_EXTSIZE_WR          (XFS_EXTSIZE_RD | XFS_WILLLEND)

#define XFS_LOCK_MASK   \

        (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL | \

         XFS_ILOCK_SHARED | XFS_EXTENT_TOKEN_RD | XFS_SIZE_TOKEN_RD | \

         XFS_WILLLEND)

/*

 * Flags for xfs_iflush()

 */

#define XFS_IFLUSH_DELWRI_ELSE_SYNC     1

#define XFS_IFLUSH_DELWRI_ELSE_ASYNC    2

#define XFS_IFLUSH_SYNC                 3

#define XFS_IFLUSH_ASYNC                4

#define XFS_IFLUSH_DELWRI               5

/*

 * Flags for xfs_iflush_all.

 */

#define XFS_FLUSH_ALL           0x1

/*

 * Flags for xfs_itruncate_start().

 */

#define XFS_ITRUNC_DEFINITE     0x1

#define XFS_ITRUNC_MAYBE        0x2

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ITOV)

struct vnode *xfs_itov(xfs_inode_t *ip);

#define XFS_ITOV(ip)            xfs_itov(ip)

#else

#define XFS_ITOV(ip)            BHV_TO_VNODE(XFS_ITOBHV(ip))

#endif

#define XFS_ITOV_NULL(ip)       BHV_TO_VNODE_NULL(XFS_ITOBHV(ip))

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_ITOBHV)

struct bhv_desc *xfs_itobhv(xfs_inode_t *ip);

#define XFS_ITOBHV(ip)          xfs_itobhv(ip)

#else

#define XFS_ITOBHV(ip)          ((struct bhv_desc *)(&((ip)->i_bhv_desc)))

#endif

#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BHVTOI)

xfs_inode_t *xfs_bhvtoi(struct bhv_desc *bhvp);

#define XFS_BHVTOI(bhvp)        xfs_bhvtoi(bhvp)

#else

#define XFS_BHVTOI(bhvp)        \

        ((xfs_inode_t *)((char *)(bhvp) - \

                         (char *)&(((xfs_inode_t *)0)->i_bhv_desc)))

#endif

#define BHV_IS_XFS(bdp)         (BHV_OPS(bdp) == &xfs_vnodeops)

/*

 * Pick the inode cluster hash bucket

 * (m_chash is the same size as m_ihash)

 */

#define XFS_CHASH(mp,blk) ((mp)->m_chash + (((uint)blk) % (mp)->m_chsize))

/*

 * For multiple groups support: if S_ISGID bit is set in the parent

 * directory, group of new file is set to that of the parent, and

 * new subdirectory gets S_ISGID bit from parent.

 */

#define XFS_INHERIT_GID(pip, vfsp)      ((pip) != NULL && \

        (((vfsp)->vfs_flag & VFS_GRPID) || ((pip)->i_d.di_mode & S_ISGID)))

/*

 * xfs_iget.c prototypes.

 */

void            xfs_ihash_init(struct xfs_mount *);

void            xfs_ihash_free(struct xfs_mount *);

void            xfs_chash_init(struct xfs_mount *);

void            xfs_chash_free(struct xfs_mount *);

xfs_inode_t     *xfs_inode_incore(struct xfs_mount *, xfs_ino_t,

                                  struct xfs_trans *);

void            xfs_inode_lock_init(xfs_inode_t *, struct vnode *);

int             xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,

                         uint, xfs_inode_t **, xfs_daddr_t);

void            xfs_iput(xfs_inode_t *, uint);

void            xfs_iput_new(xfs_inode_t *, uint);

void            xfs_ilock(xfs_inode_t *, uint);

int             xfs_ilock_nowait(xfs_inode_t *, uint);

void            xfs_iunlock(xfs_inode_t *, uint);

void            xfs_ilock_demote(xfs_inode_t *, uint);

void            xfs_iflock(xfs_inode_t *);

int             xfs_iflock_nowait(xfs_inode_t *);

uint            xfs_ilock_map_shared(xfs_inode_t *);

void            xfs_iunlock_map_shared(xfs_inode_t *, uint);

void            xfs_ifunlock(xfs_inode_t *);

void            xfs_ireclaim(xfs_inode_t *);

int             xfs_finish_reclaim(xfs_inode_t *, int, int);

int             xfs_finish_reclaim_all(struct xfs_mount *, int);

/*

 * xfs_inode.c prototypes.

 */

int             xfs_inotobp(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,

                            xfs_dinode_t **, struct xfs_buf **, int *);

int             xfs_itobp(struct xfs_mount *, struct xfs_trans *,

                          xfs_inode_t *, xfs_dinode_t **, struct xfs_buf **,

                          xfs_daddr_t);

int             xfs_iread(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,

                          xfs_inode_t **, xfs_daddr_t);

int             xfs_iread_extents(struct xfs_trans *, xfs_inode_t *, int);

int             xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t, nlink_t,

                           xfs_dev_t, struct cred *, xfs_prid_t, int,

                           struct xfs_buf **, boolean_t *, xfs_inode_t **);

void            xfs_xlate_dinode_core(xfs_caddr_t, struct xfs_dinode_core *, int,

                           xfs_arch_t);

int             xfs_ifree(struct xfs_trans *, xfs_inode_t *,

                           struct xfs_bmap_free *);

int             xfs_atruncate_start(xfs_inode_t *);

void            xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_t);

int             xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *,

                                     xfs_fsize_t, int, int);

int             xfs_iunlink(struct xfs_trans *, xfs_inode_t *);

int             xfs_igrow_start(xfs_inode_t *, xfs_fsize_t, struct cred *);

void            xfs_igrow_finish(struct xfs_trans *, xfs_inode_t *,

                                 xfs_fsize_t, int);

void            xfs_idestroy_fork(xfs_inode_t *, int);

void            xfs_idestroy(xfs_inode_t *);

void            xfs_idata_realloc(xfs_inode_t *, int, int);

void            xfs_iextract(xfs_inode_t *);

void            xfs_iext_realloc(xfs_inode_t *, int, int);

void            xfs_iroot_realloc(xfs_inode_t *, int, int);

void            xfs_ipin(xfs_inode_t *);

void            xfs_iunpin(xfs_inode_t *);

int             xfs_iextents_copy(xfs_inode_t *, xfs_bmbt_rec_t *, int);

int             xfs_iflush(xfs_inode_t *, uint);

int             xfs_iflush_all(struct xfs_mount *, int);

int             xfs_iaccess(xfs_inode_t *, mode_t, cred_t *);

uint            xfs_iroundup(uint);

void            xfs_ichgtime(xfs_inode_t *, int);

xfs_fsize_t     xfs_file_last_byte(xfs_inode_t *);

void            xfs_lock_inodes(xfs_inode_t **, int, int, uint);

#define xfs_ipincount(ip)       ((unsigned int) atomic_read(&ip->i_pincount))

#ifdef DEBUG

void            xfs_isize_check(struct xfs_mount *, xfs_inode_t *, xfs_fsize_t);

#else   /* DEBUG */

#define xfs_isize_check(mp, ip, isize)

#endif  /* DEBUG */

#if defined(DEBUG)

void            xfs_inobp_check(struct xfs_mount *, struct xfs_buf *);

#else

#define xfs_inobp_check(mp, bp)

#endif /* DEBUG */

extern struct kmem_zone *xfs_chashlist_zone;

extern struct kmem_zone *xfs_ifork_zone;

extern struct kmem_zone *xfs_inode_zone;

extern struct kmem_zone *xfs_ili_zone;

extern struct vnodeops  xfs_vnodeops;

#endif  /* __KERNEL__ */

#endif  /* __XFS_INODE_H__ */