/*
- * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000,2005 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_IALLOC_H__
#define __XFS_IALLOC_H__
/*
* Allocation parameters for inode allocation.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IALLOC_INODES)
-int xfs_ialloc_inodes(struct xfs_mount *mp);
-#define XFS_IALLOC_INODES(mp) xfs_ialloc_inodes(mp)
-#else
-#define XFS_IALLOC_INODES(mp) ((mp)->m_ialloc_inos)
-#endif
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IALLOC_BLOCKS)
-xfs_extlen_t xfs_ialloc_blocks(struct xfs_mount *mp);
-#define XFS_IALLOC_BLOCKS(mp) xfs_ialloc_blocks(mp)
-#else
-#define XFS_IALLOC_BLOCKS(mp) ((mp)->m_ialloc_blks)
-#endif
+#define XFS_IALLOC_INODES(mp) (mp)->m_ialloc_inos
+#define XFS_IALLOC_BLOCKS(mp) (mp)->m_ialloc_blks
/*
- * For small block file systems, move inodes in clusters of this size.
- * When we don't have a lot of memory, however, we go a bit smaller
- * to reduce the number of AGI and ialloc btree blocks we need to keep
- * around for xfs_dilocate(). We choose which one to use in
- * xfs_mount_int().
+ * Move inodes in clusters of this size.
*/
#define XFS_INODE_BIG_CLUSTER_SIZE 8192
-#define XFS_INODE_SMALL_CLUSTER_SIZE 4096
#define XFS_INODE_CLUSTER_SIZE(mp) (mp)->m_inode_cluster_size
/*
* Make an inode pointer out of the buffer/offset.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MAKE_IPTR)
-struct xfs_dinode *xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o);
#define XFS_MAKE_IPTR(mp,b,o) xfs_make_iptr(mp,b,o)
-#else
-#define XFS_MAKE_IPTR(mp,b,o) \
- ((xfs_dinode_t *)(xfs_buf_offset(b, (o) << (mp)->m_sb.sb_inodelog)))
-#endif
+static inline struct xfs_dinode *
+xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
+{
+ return (xfs_dinode_t *)
+ (xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog));
+}
/*
* Find a free (set) bit in the inode bitmask.
*/
-#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IALLOC_FIND_FREE)
-int xfs_ialloc_find_free(xfs_inofree_t *fp);
#define XFS_IALLOC_FIND_FREE(fp) xfs_ialloc_find_free(fp)
-#else
-#define XFS_IALLOC_FIND_FREE(fp) xfs_lowbit64(*(fp))
-#endif
+static inline int xfs_ialloc_find_free(xfs_inofree_t *fp)
+{
+ return xfs_lowbit64(*fp);
+}
#ifdef __KERNEL__
-
-/*
- * Prototypes for visible xfs_ialloc.c routines.
- */
-
/*
* Allocate an inode on disk.
* Mode is used to tell whether the new inode will need space, and whether
xfs_agnumber_t agno, /* allocation group number */
struct xfs_buf **bpp); /* allocation group hdr buf */
+/*
+ * Read in the allocation group header to initialise the per-ag data
+ * in the mount structure
+ */
+int
+xfs_ialloc_pagi_init(
+ struct xfs_mount *mp, /* file system mount structure */
+ struct xfs_trans *tp, /* transaction pointer */
+ xfs_agnumber_t agno); /* allocation group number */
+
#endif /* __KERNEL__ */
#endif /* __XFS_IALLOC_H__ */