1 files changed, 64 insertions, 178 deletions

diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 96b70f7fba39..a96e2ffce0cc 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -1,33 +1,19 @@
 /*
- * 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_AG_H__
 #define __XFS_AG_H__
@@ -46,18 +32,9 @@ struct xfs_trans;
 #define XFS_AGI_MAGIC   0x58414749      /* 'XAGI' */
 #define XFS_AGF_VERSION 1
 #define XFS_AGI_VERSION 1
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGF_GOOD_VERSION)
-int xfs_agf_good_version(unsigned v);
-#define XFS_AGF_GOOD_VERSION(v) xfs_agf_good_version(v)
-#else
-#define XFS_AGF_GOOD_VERSION(v)         ((v) == XFS_AGF_VERSION)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGI_GOOD_VERSION)
-int xfs_agi_good_version(unsigned v);
-#define XFS_AGI_GOOD_VERSION(v) xfs_agi_good_version(v)
-#else
-#define XFS_AGI_GOOD_VERSION(v)         ((v) == XFS_AGI_VERSION)
-#endif
+
+#define XFS_AGF_GOOD_VERSION(v) ((v) == XFS_AGF_VERSION)
+#define XFS_AGI_GOOD_VERSION(v) ((v) == XFS_AGI_VERSION)
 
 /*
  * Btree number 0 is bno, 1 is cnt.  This value gives the size of the
@@ -71,27 +48,26 @@ int xfs_agi_good_version(unsigned v);
  * are > 64k, our value cannot be confused for an EFS superblock's.
  */
 
-typedef struct xfs_agf
-{
+typedef struct xfs_agf {
         /*
          * Common allocation group header information
          */
-        __uint32_t      agf_magicnum;   /* magic number == XFS_AGF_MAGIC */
-        __uint32_t      agf_versionnum; /* header version == XFS_AGF_VERSION */
-        xfs_agnumber_t  agf_seqno;      /* sequence # starting from 0 */
-        xfs_agblock_t   agf_length;     /* size in blocks of a.g. */
+        __be32          agf_magicnum;   /* magic number == XFS_AGF_MAGIC */
+        __be32          agf_versionnum; /* header version == XFS_AGF_VERSION */
+        __be32          agf_seqno;      /* sequence # starting from 0 */
+        __be32          agf_length;     /* size in blocks of a.g. */
         /*
          * Freespace information
          */
-        xfs_agblock_t   agf_roots[XFS_BTNUM_AGF];       /* root blocks */
-        __uint32_t      agf_spare0;     /* spare field */
-        __uint32_t      agf_levels[XFS_BTNUM_AGF];      /* btree levels */
-        __uint32_t      agf_spare1;     /* spare field */
-        __uint32_t      agf_flfirst;    /* first freelist block's index */
-        __uint32_t      agf_fllast;     /* last freelist block's index */
-        __uint32_t      agf_flcount;    /* count of blocks in freelist */
-        xfs_extlen_t    agf_freeblks;   /* total free blocks */
-        xfs_extlen_t    agf_longest;    /* longest free space */
+        __be32          agf_roots[XFS_BTNUM_AGF];       /* root blocks */
+        __be32          agf_spare0;     /* spare field */
+        __be32          agf_levels[XFS_BTNUM_AGF];      /* btree levels */
+        __be32          agf_spare1;     /* spare field */
+        __be32          agf_flfirst;    /* first freelist block's index */
+        __be32          agf_fllast;     /* last freelist block's index */
+        __be32          agf_flcount;    /* count of blocks in freelist */
+        __be32          agf_freeblks;   /* total free blocks */
+        __be32          agf_longest;    /* longest free space */
 } xfs_agf_t;
 
 #define XFS_AGF_MAGICNUM        0x00000001
@@ -110,43 +86,39 @@ typedef struct xfs_agf
 
 /* disk block (xfs_daddr_t) in the AG */
 #define XFS_AGF_DADDR(mp)       ((xfs_daddr_t)(1 << (mp)->m_sectbb_log))
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGF_BLOCK)
-xfs_agblock_t xfs_agf_block(struct xfs_mount *mp);
-#define XFS_AGF_BLOCK(mp)       xfs_agf_block(mp)
-#else
-#define XFS_AGF_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
-#endif
+#define XFS_AGF_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGF_DADDR(mp))
+#define XFS_BUF_TO_AGF(bp)      ((xfs_agf_t *)XFS_BUF_PTR(bp))
+
 
 /*
  * Size of the unlinked inode hash table in the agi.
  */
 #define XFS_AGI_UNLINKED_BUCKETS        64
 
-typedef struct xfs_agi
-{
+typedef struct xfs_agi {
         /*
          * Common allocation group header information
          */
-        __uint32_t      agi_magicnum;   /* magic number == XFS_AGI_MAGIC */
-        __uint32_t      agi_versionnum; /* header version == XFS_AGI_VERSION */
-        xfs_agnumber_t  agi_seqno;      /* sequence # starting from 0 */
-        xfs_agblock_t   agi_length;     /* size in blocks of a.g. */
+        __be32          agi_magicnum;   /* magic number == XFS_AGI_MAGIC */
+        __be32          agi_versionnum; /* header version == XFS_AGI_VERSION */
+        __be32          agi_seqno;      /* sequence # starting from 0 */
+        __be32          agi_length;     /* size in blocks of a.g. */
         /*
          * Inode information
          * Inodes are mapped by interpreting the inode number, so no
          * mapping data is needed here.
          */
-        xfs_agino_t     agi_count;      /* count of allocated inodes */
-        xfs_agblock_t   agi_root;       /* root of inode btree */
-        __uint32_t      agi_level;      /* levels in inode btree */
-        xfs_agino_t     agi_freecount;  /* number of free inodes */
-        xfs_agino_t     agi_newino;     /* new inode just allocated */
-        xfs_agino_t     agi_dirino;     /* last directory inode chunk */
+        __be32          agi_count;      /* count of allocated inodes */
+        __be32          agi_root;       /* root of inode btree */
+        __be32          agi_level;      /* levels in inode btree */
+        __be32          agi_freecount;  /* number of free inodes */
+        __be32          agi_newino;     /* new inode just allocated */
+        __be32          agi_dirino;     /* last directory inode chunk */
         /*
          * Hash table of inodes which have been unlinked but are
          * still being referenced.
          */
-        xfs_agino_t     agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
+        __be32          agi_unlinked[XFS_AGI_UNLINKED_BUCKETS];
 } xfs_agi_t;
 
 #define XFS_AGI_MAGICNUM        0x00000001
@@ -165,25 +137,17 @@ typedef struct xfs_agi
 
 /* disk block (xfs_daddr_t) in the AG */
 #define XFS_AGI_DADDR(mp)       ((xfs_daddr_t)(2 << (mp)->m_sectbb_log))
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGI_BLOCK)
-xfs_agblock_t xfs_agi_block(struct xfs_mount *mp);
-#define XFS_AGI_BLOCK(mp)       xfs_agi_block(mp)
-#else
-#define XFS_AGI_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
-#endif
+#define XFS_AGI_BLOCK(mp)       XFS_HDR_BLOCK(mp, XFS_AGI_DADDR(mp))
+#define XFS_BUF_TO_AGI(bp)      ((xfs_agi_t *)XFS_BUF_PTR(bp))
 
 /*
  * The third a.g. block contains the a.g. freelist, an array
  * of block pointers to blocks owned by the allocation btree code.
  */
 #define XFS_AGFL_DADDR(mp)      ((xfs_daddr_t)(3 << (mp)->m_sectbb_log))
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGFL_BLOCK)
-xfs_agblock_t xfs_agfl_block(struct xfs_mount *mp);
-#define XFS_AGFL_BLOCK(mp)      xfs_agfl_block(mp)
-#else
-#define XFS_AGFL_BLOCK(mp)      XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
-#endif
+#define XFS_AGFL_BLOCK(mp)      XFS_HDR_BLOCK(mp, XFS_AGFL_DADDR(mp))
 #define XFS_AGFL_SIZE(mp)       ((mp)->m_sb.sb_sectsize / sizeof(xfs_agblock_t))
+#define XFS_BUF_TO_AGFL(bp)     ((xfs_agfl_t *)XFS_BUF_PTR(bp))
 
 typedef struct xfs_agfl {
         xfs_agblock_t   agfl_bno[1];    /* actually XFS_AGFL_SIZE(mp) */
@@ -230,116 +194,38 @@ typedef struct xfs_perag
         xfs_perag_busy_t *pagb_list;    /* unstable blocks */
 } xfs_perag_t;
 
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AG_MAXLEVELS)
-int xfs_ag_maxlevels(struct xfs_mount *mp);
-#define XFS_AG_MAXLEVELS(mp)            xfs_ag_maxlevels(mp)
-#else
-#define XFS_AG_MAXLEVELS(mp)    ((mp)->m_ag_maxlevels)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MIN_FREELIST)
-int xfs_min_freelist(xfs_agf_t *a, struct xfs_mount *mp);
-#define XFS_MIN_FREELIST(a,mp)          xfs_min_freelist(a,mp)
-#else
-#define XFS_MIN_FREELIST(a,mp)  \
-        XFS_MIN_FREELIST_RAW(   \
-                INT_GET((a)->agf_levels[XFS_BTNUM_BNOi], ARCH_CONVERT), \
-                INT_GET((a)->agf_levels[XFS_BTNUM_CNTi], ARCH_CONVERT), mp)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MIN_FREELIST_PAG)
-int xfs_min_freelist_pag(xfs_perag_t *pag, struct xfs_mount *mp);
-#define XFS_MIN_FREELIST_PAG(pag,mp)    xfs_min_freelist_pag(pag,mp)
-#else
-#define XFS_MIN_FREELIST_PAG(pag,mp)    \
-        XFS_MIN_FREELIST_RAW((uint_t)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
-                             (uint_t)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MIN_FREELIST_RAW)
-int xfs_min_freelist_raw(int bl, int cl, struct xfs_mount *mp);
-#define XFS_MIN_FREELIST_RAW(bl,cl,mp)  xfs_min_freelist_raw(bl,cl,mp)
-#else
+#define XFS_AG_MAXLEVELS(mp)            ((mp)->m_ag_maxlevels)
 #define XFS_MIN_FREELIST_RAW(bl,cl,mp)  \
-        (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + \
-         MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
-#endif
+        (MIN(bl + 1, XFS_AG_MAXLEVELS(mp)) + MIN(cl + 1, XFS_AG_MAXLEVELS(mp)))
+#define XFS_MIN_FREELIST(a,mp)          \
+        (XFS_MIN_FREELIST_RAW(          \
+                be32_to_cpu((a)->agf_levels[XFS_BTNUM_BNOi]), \
+                be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp))
+#define XFS_MIN_FREELIST_PAG(pag,mp)    \
+        (XFS_MIN_FREELIST_RAW(          \
+                (uint_t)(pag)->pagf_levels[XFS_BTNUM_BNOi], \
+                (uint_t)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp))
 
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGB_TO_FSB)
-xfs_fsblock_t xfs_agb_to_fsb(struct xfs_mount *mp, xfs_agnumber_t agno,
-                             xfs_agblock_t agbno);
-#define XFS_AGB_TO_FSB(mp,agno,agbno)   xfs_agb_to_fsb(mp,agno,agbno)
-#else
-#define XFS_AGB_TO_FSB(mp,agno,agbno) \
+#define XFS_AGB_TO_FSB(mp,agno,agbno)   \
         (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_TO_AGNO)
-xfs_agnumber_t xfs_fsb_to_agno(struct xfs_mount *mp, xfs_fsblock_t fsbno);
-#define XFS_FSB_TO_AGNO(mp,fsbno)       xfs_fsb_to_agno(mp,fsbno)
-#else
-#define XFS_FSB_TO_AGNO(mp,fsbno) \
+#define XFS_FSB_TO_AGNO(mp,fsbno)       \
         ((xfs_agnumber_t)((fsbno) >> (mp)->m_sb.sb_agblklog))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_FSB_TO_AGBNO)
-xfs_agblock_t xfs_fsb_to_agbno(struct xfs_mount *mp, xfs_fsblock_t fsbno);
-#define XFS_FSB_TO_AGBNO(mp,fsbno)      xfs_fsb_to_agbno(mp,fsbno)
-#else
-#define XFS_FSB_TO_AGBNO(mp,fsbno) \
+#define XFS_FSB_TO_AGBNO(mp,fsbno)      \
         ((xfs_agblock_t)((fsbno) & XFS_MASK32LO((mp)->m_sb.sb_agblklog)))
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AGB_TO_DADDR)
-xfs_daddr_t xfs_agb_to_daddr(struct xfs_mount *mp, xfs_agnumber_t agno,
-                                xfs_agblock_t agbno);
-#define XFS_AGB_TO_DADDR(mp,agno,agbno) xfs_agb_to_daddr(mp,agno,agbno)
-#else
-#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
-        ((xfs_daddr_t)(XFS_FSB_TO_BB(mp, \
-                (xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno))))
-#endif
-/*
- * XFS_DADDR_TO_AGNO and XFS_DADDR_TO_AGBNO moved to xfs_mount.h
- * to avoid header file ordering change
- */
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AG_DADDR)
-xfs_daddr_t xfs_ag_daddr(struct xfs_mount *mp, xfs_agnumber_t agno,
-                                xfs_daddr_t d);
-#define XFS_AG_DADDR(mp,agno,d)         xfs_ag_daddr(mp,agno,d)
-#else
-#define XFS_AG_DADDR(mp,agno,d) (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
-#endif
-
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_AGF)
-xfs_agf_t *xfs_buf_to_agf(struct xfs_buf *bp);
-#define XFS_BUF_TO_AGF(bp)              xfs_buf_to_agf(bp)
-#else
-#define XFS_BUF_TO_AGF(bp)      ((xfs_agf_t *)XFS_BUF_PTR(bp))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_AGI)
-xfs_agi_t *xfs_buf_to_agi(struct xfs_buf *bp);
-#define XFS_BUF_TO_AGI(bp)              xfs_buf_to_agi(bp)
-#else
-#define XFS_BUF_TO_AGI(bp)      ((xfs_agi_t *)XFS_BUF_PTR(bp))
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_AGFL)
-xfs_agfl_t *xfs_buf_to_agfl(struct xfs_buf *bp);
-#define XFS_BUF_TO_AGFL(bp)             xfs_buf_to_agfl(bp)
-#else
-#define XFS_BUF_TO_AGFL(bp)     ((xfs_agfl_t *)XFS_BUF_PTR(bp))
-#endif
+#define XFS_AGB_TO_DADDR(mp,agno,agbno) \
+        ((xfs_daddr_t)XFS_FSB_TO_BB(mp, \
+                (xfs_fsblock_t)(agno) * (mp)->m_sb.sb_agblocks + (agbno)))
+#define XFS_AG_DADDR(mp,agno,d)         (XFS_AGB_TO_DADDR(mp, agno, 0) + (d))
 
 /*
  * For checking for bad ranges of xfs_daddr_t's, covering multiple
  * allocation groups or a single xfs_daddr_t that's a superblock copy.
  */
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_AG_CHECK_DADDR)
-void xfs_ag_check_daddr(struct xfs_mount *mp, xfs_daddr_t d, xfs_extlen_t len);
-#define XFS_AG_CHECK_DADDR(mp,d,len)    xfs_ag_check_daddr(mp,d,len)
-#else
 #define XFS_AG_CHECK_DADDR(mp,d,len)    \
         ((len) == 1 ? \
             ASSERT((d) == XFS_SB_DADDR || \
                    XFS_DADDR_TO_AGBNO(mp, d) != XFS_SB_DADDR) : \
             ASSERT(XFS_DADDR_TO_AGNO(mp, d) == \
                    XFS_DADDR_TO_AGNO(mp, (d) + (len) - 1)))
-#endif
 
 #endif  /* __XFS_AG_H__ */