/*
- * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2003,2005 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
+ * 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.
+ * 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.
*
- * 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/
+ * 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_INODE_H__
#define __XFS_INODE_H__
+/*
+ * Fork identifiers.
+ */
+#define XFS_DATA_FORK 0
+#define XFS_ATTR_FORK 1
+
/*
* File incore extent information, present for each of data & attr forks.
*/
#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 */
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))
/*
* 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;
lock_t ch_lock;
} xfs_chash_t;
+#define XFS_CHASH(mp,blk) ((mp)->m_chash + (((uint)blk) % (mp)->m_chsize))
+
/*
* This is the xfs in-core inode structure.
/*
* 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_PTR(ip,w) \
+ ((w) == XFS_DATA_FORK ? &(ip)->i_df : (ip)->i_afp)
#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__
#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 */
+#define XFS_INEW 0x0040
/*
* Flags for inode locking.
#define XFS_ILOCK_EXCL 0x004
#define XFS_ILOCK_SHARED 0x008
#define XFS_IUNLOCK_NONOTIFY 0x010
+/* XFS_IOLOCK_NESTED 0x020 */
#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_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)
-
+/* XFS_SIZE_TOKEN_WANT 0x200 */
#define XFS_LOCK_MASK \
(XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED | XFS_ILOCK_EXCL | \
#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 XFS_BHVTOI(bhvp) ((xfs_inode_t *)((char *)(bhvp) - \
+ (char *)&(((xfs_inode_t *)0)->i_bhv_desc)))
#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
/*
* xfs_iget.c prototypes.
*/
+
+#define IGET_CREATE 1
+
void xfs_ihash_init(struct xfs_mount *);
void xfs_ihash_free(struct xfs_mount *);
void xfs_chash_init(struct xfs_mount *);
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);
+ uint, 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);
/*
* 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 **);
+int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
+ xfs_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);
-uint xfs_dic2xflags(struct xfs_dinode_core *, xfs_arch_t);
+ int);
+uint xfs_ip2xflags(struct xfs_inode *);
+uint xfs_dic2xflags(struct xfs_dinode_core *);
int xfs_ifree(struct xfs_trans *, xfs_inode_t *,
struct xfs_bmap_free *);
void xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_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);
+void xfs_iflush_all(struct xfs_mount *);
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);
+xfs_inode_t *xfs_vtoi(struct vnode *vp);
+
+void xfs_synchronize_atime(xfs_inode_t *);
+
#define xfs_ipincount(ip) ((unsigned int) atomic_read(&ip->i_pincount))
#ifdef DEBUG
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