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-rw-r--r--fs/xfs/xfs_ialloc.h76
1 files changed, 23 insertions, 53 deletions
diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/xfs_ialloc.h
index db6d0015cecf..7f5debe1acb6 100644
--- a/fs/xfs/xfs_ialloc.h
+++ b/fs/xfs/xfs_ialloc.h
@@ -1,33 +1,19 @@
1/* 1/*
2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. 2 * Copyright (c) 2000,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
3 * 4 *
4 * This program is free software; you can redistribute it and/or modify it 5 * This program is free software; you can redistribute it and/or
5 * under the terms of version 2 of the GNU General Public License as 6 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
7 * 8 *
8 * This program is distributed in the hope that it would be useful, but 9 * This program is distributed in the hope that it would be useful,
9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
11 * 13 *
12 * Further, this software is distributed without any warranty that it is 14 * You should have received a copy of the GNU General Public License
13 * free of the rightful claim of any third person regarding infringement 15 * along with this program; if not, write the Free Software Foundation,
14 * or the like. Any license provided herein, whether implied or 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
25 *
26 * http://www.sgi.com
27 *
28 * For further information regarding this notice, see:
29 *
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
31 */ 17 */
32#ifndef __XFS_IALLOC_H__ 18#ifndef __XFS_IALLOC_H__
33#define __XFS_IALLOC_H__ 19#define __XFS_IALLOC_H__
@@ -40,18 +26,8 @@ struct xfs_trans;
40/* 26/*
41 * Allocation parameters for inode allocation. 27 * Allocation parameters for inode allocation.
42 */ 28 */
43#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IALLOC_INODES) 29#define XFS_IALLOC_INODES(mp) (mp)->m_ialloc_inos
44int xfs_ialloc_inodes(struct xfs_mount *mp); 30#define XFS_IALLOC_BLOCKS(mp) (mp)->m_ialloc_blks
45#define XFS_IALLOC_INODES(mp) xfs_ialloc_inodes(mp)
46#else
47#define XFS_IALLOC_INODES(mp) ((mp)->m_ialloc_inos)
48#endif
49#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IALLOC_BLOCKS)
50xfs_extlen_t xfs_ialloc_blocks(struct xfs_mount *mp);
51#define XFS_IALLOC_BLOCKS(mp) xfs_ialloc_blocks(mp)
52#else
53#define XFS_IALLOC_BLOCKS(mp) ((mp)->m_ialloc_blks)
54#endif
55 31
56/* 32/*
57 * For small block file systems, move inodes in clusters of this size. 33 * For small block file systems, move inodes in clusters of this size.
@@ -67,31 +43,25 @@ xfs_extlen_t xfs_ialloc_blocks(struct xfs_mount *mp);
67/* 43/*
68 * Make an inode pointer out of the buffer/offset. 44 * Make an inode pointer out of the buffer/offset.
69 */ 45 */
70#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MAKE_IPTR)
71struct xfs_dinode *xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o);
72#define XFS_MAKE_IPTR(mp,b,o) xfs_make_iptr(mp,b,o) 46#define XFS_MAKE_IPTR(mp,b,o) xfs_make_iptr(mp,b,o)
73#else 47static inline struct xfs_dinode *
74#define XFS_MAKE_IPTR(mp,b,o) \ 48xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
75 ((xfs_dinode_t *)(xfs_buf_offset(b, (o) << (mp)->m_sb.sb_inodelog))) 49{
76#endif 50 return (xfs_dinode_t *)
51 (xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog));
52}
77 53
78/* 54/*
79 * Find a free (set) bit in the inode bitmask. 55 * Find a free (set) bit in the inode bitmask.
80 */ 56 */
81#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_IALLOC_FIND_FREE)
82int xfs_ialloc_find_free(xfs_inofree_t *fp);
83#define XFS_IALLOC_FIND_FREE(fp) xfs_ialloc_find_free(fp) 57#define XFS_IALLOC_FIND_FREE(fp) xfs_ialloc_find_free(fp)
84#else 58static inline int xfs_ialloc_find_free(xfs_inofree_t *fp)
85#define XFS_IALLOC_FIND_FREE(fp) xfs_lowbit64(*(fp)) 59{
86#endif 60 return xfs_lowbit64(*fp);
61}
87 62
88 63
89#ifdef __KERNEL__ 64#ifdef __KERNEL__
90
91/*
92 * Prototypes for visible xfs_ialloc.c routines.
93 */
94
95/* 65/*
96 * Allocate an inode on disk. 66 * Allocate an inode on disk.
97 * Mode is used to tell whether the new inode will need space, and whether 67 * Mode is used to tell whether the new inode will need space, and whether