patch-2.4.25 linux-2.4.25/fs/xfs/xfs_inode.h

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diff -urN linux-2.4.24/fs/xfs/xfs_inode.h linux-2.4.25/fs/xfs/xfs_inode.h
@@ -0,0 +1,558 @@
+/*
+ * 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__ */
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