diff options
author | Steve French <sfrench@us.ibm.com> | 2005-11-09 17:33:22 -0500 |
---|---|---|
committer | Steve French <sfrench@us.ibm.com> | 2005-11-09 17:33:22 -0500 |
commit | e82b3aec8d508d2a925a4c766e97f16b7c4dfb1b (patch) | |
tree | 69d5685ef0c194f651a03e30bff14628b4d45400 /fs/xfs/xfs_bit.h | |
parent | ec58ef03284f0bfa50a04982b74c8c2325a0758e (diff) | |
parent | ad8f76be48d817b48222411ae16a7dfe257bdb24 (diff) |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'fs/xfs/xfs_bit.h')
-rw-r--r-- | fs/xfs/xfs_bit.h | 72 |
1 files changed, 27 insertions, 45 deletions
diff --git a/fs/xfs/xfs_bit.h b/fs/xfs/xfs_bit.h index 1e7f57ddf7a8..0bbe56817542 100644 --- a/fs/xfs/xfs_bit.h +++ b/fs/xfs/xfs_bit.h | |||
@@ -1,33 +1,19 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (c) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved. | 2 | * Copyright (c) 2000,2002,2005 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_BIT_H__ | 18 | #ifndef __XFS_BIT_H__ |
33 | #define __XFS_BIT_H__ | 19 | #define __XFS_BIT_H__ |
@@ -39,30 +25,26 @@ | |||
39 | /* | 25 | /* |
40 | * masks with n high/low bits set, 32-bit values & 64-bit values | 26 | * masks with n high/low bits set, 32-bit values & 64-bit values |
41 | */ | 27 | */ |
42 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK32HI) | ||
43 | __uint32_t xfs_mask32hi(int n); | ||
44 | #define XFS_MASK32HI(n) xfs_mask32hi(n) | 28 | #define XFS_MASK32HI(n) xfs_mask32hi(n) |
45 | #else | 29 | static inline __uint32_t xfs_mask32hi(int n) |
46 | #define XFS_MASK32HI(n) ((__uint32_t)-1 << (32 - (n))) | 30 | { |
47 | #endif | 31 | return (__uint32_t)-1 << (32 - (n)); |
48 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK64HI) | 32 | } |
49 | __uint64_t xfs_mask64hi(int n); | ||
50 | #define XFS_MASK64HI(n) xfs_mask64hi(n) | 33 | #define XFS_MASK64HI(n) xfs_mask64hi(n) |
51 | #else | 34 | static inline __uint64_t xfs_mask64hi(int n) |
52 | #define XFS_MASK64HI(n) ((__uint64_t)-1 << (64 - (n))) | 35 | { |
53 | #endif | 36 | return (__uint64_t)-1 << (64 - (n)); |
54 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK32LO) | 37 | } |
55 | __uint32_t xfs_mask32lo(int n); | ||
56 | #define XFS_MASK32LO(n) xfs_mask32lo(n) | 38 | #define XFS_MASK32LO(n) xfs_mask32lo(n) |
57 | #else | 39 | static inline __uint32_t xfs_mask32lo(int n) |
58 | #define XFS_MASK32LO(n) (((__uint32_t)1 << (n)) - 1) | 40 | { |
59 | #endif | 41 | return ((__uint32_t)1 << (n)) - 1; |
60 | #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_MASK64LO) | 42 | } |
61 | __uint64_t xfs_mask64lo(int n); | ||
62 | #define XFS_MASK64LO(n) xfs_mask64lo(n) | 43 | #define XFS_MASK64LO(n) xfs_mask64lo(n) |
63 | #else | 44 | static inline __uint64_t xfs_mask64lo(int n) |
64 | #define XFS_MASK64LO(n) (((__uint64_t)1 << (n)) - 1) | 45 | { |
65 | #endif | 46 | return ((__uint64_t)1 << (n)) - 1; |
47 | } | ||
66 | 48 | ||
67 | /* Get high bit set out of 32-bit argument, -1 if none set */ | 49 | /* Get high bit set out of 32-bit argument, -1 if none set */ |
68 | extern int xfs_highbit32(__uint32_t v); | 50 | extern int xfs_highbit32(__uint32_t v); |