diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_sysctl.h')
-rw-r--r-- | fs/xfs/linux-2.6/xfs_sysctl.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.h b/fs/xfs/linux-2.6/xfs_sysctl.h new file mode 100644 index 000000000000..a39a95020a58 --- /dev/null +++ b/fs/xfs/linux-2.6/xfs_sysctl.h | |||
@@ -0,0 +1,114 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2001-2004 Silicon Graphics, Inc. All Rights Reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms of version 2 of the GNU General Public License as | ||
6 | * published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope that it would be useful, but | ||
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | ||
11 | * | ||
12 | * Further, this software is distributed without any warranty that it is | ||
13 | * free of the rightful claim of any third person regarding infringement | ||
14 | * or the like. Any license provided herein, whether implied or | ||
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 | */ | ||
32 | |||
33 | #ifndef __XFS_SYSCTL_H__ | ||
34 | #define __XFS_SYSCTL_H__ | ||
35 | |||
36 | #include <linux/sysctl.h> | ||
37 | |||
38 | /* | ||
39 | * Tunable xfs parameters | ||
40 | */ | ||
41 | |||
42 | typedef struct xfs_sysctl_val { | ||
43 | int min; | ||
44 | int val; | ||
45 | int max; | ||
46 | } xfs_sysctl_val_t; | ||
47 | |||
48 | typedef struct xfs_param { | ||
49 | xfs_sysctl_val_t restrict_chown;/* Root/non-root can give away files.*/ | ||
50 | xfs_sysctl_val_t sgid_inherit; /* Inherit S_ISGID if process' GID is | ||
51 | * not a member of parent dir GID. */ | ||
52 | xfs_sysctl_val_t symlink_mode; /* Link creat mode affected by umask */ | ||
53 | xfs_sysctl_val_t panic_mask; /* bitmask to cause panic on errors. */ | ||
54 | xfs_sysctl_val_t error_level; /* Degree of reporting for problems */ | ||
55 | xfs_sysctl_val_t syncd_timer; /* Interval between xfssyncd wakeups */ | ||
56 | xfs_sysctl_val_t stats_clear; /* Reset all XFS statistics to zero. */ | ||
57 | xfs_sysctl_val_t inherit_sync; /* Inherit the "sync" inode flag. */ | ||
58 | xfs_sysctl_val_t inherit_nodump;/* Inherit the "nodump" inode flag. */ | ||
59 | xfs_sysctl_val_t inherit_noatim;/* Inherit the "noatime" inode flag. */ | ||
60 | xfs_sysctl_val_t xfs_buf_timer; /* Interval between xfsbufd wakeups. */ | ||
61 | xfs_sysctl_val_t xfs_buf_age; /* Metadata buffer age before flush. */ | ||
62 | xfs_sysctl_val_t inherit_nosym; /* Inherit the "nosymlinks" flag. */ | ||
63 | xfs_sysctl_val_t rotorstep; /* inode32 AG rotoring control knob */ | ||
64 | } xfs_param_t; | ||
65 | |||
66 | /* | ||
67 | * xfs_error_level: | ||
68 | * | ||
69 | * How much error reporting will be done when internal problems are | ||
70 | * encountered. These problems normally return an EFSCORRUPTED to their | ||
71 | * caller, with no other information reported. | ||
72 | * | ||
73 | * 0 No error reports | ||
74 | * 1 Report EFSCORRUPTED errors that will cause a filesystem shutdown | ||
75 | * 5 Report all EFSCORRUPTED errors (all of the above errors, plus any | ||
76 | * additional errors that are known to not cause shutdowns) | ||
77 | * | ||
78 | * xfs_panic_mask bit 0x8 turns the error reports into panics | ||
79 | */ | ||
80 | |||
81 | enum { | ||
82 | /* XFS_REFCACHE_SIZE = 1 */ | ||
83 | /* XFS_REFCACHE_PURGE = 2 */ | ||
84 | XFS_RESTRICT_CHOWN = 3, | ||
85 | XFS_SGID_INHERIT = 4, | ||
86 | XFS_SYMLINK_MODE = 5, | ||
87 | XFS_PANIC_MASK = 6, | ||
88 | XFS_ERRLEVEL = 7, | ||
89 | XFS_SYNCD_TIMER = 8, | ||
90 | /* XFS_PROBE_DMAPI = 9 */ | ||
91 | /* XFS_PROBE_IOOPS = 10 */ | ||
92 | /* XFS_PROBE_QUOTA = 11 */ | ||
93 | XFS_STATS_CLEAR = 12, | ||
94 | XFS_INHERIT_SYNC = 13, | ||
95 | XFS_INHERIT_NODUMP = 14, | ||
96 | XFS_INHERIT_NOATIME = 15, | ||
97 | XFS_BUF_TIMER = 16, | ||
98 | XFS_BUF_AGE = 17, | ||
99 | /* XFS_IO_BYPASS = 18 */ | ||
100 | XFS_INHERIT_NOSYM = 19, | ||
101 | XFS_ROTORSTEP = 20, | ||
102 | }; | ||
103 | |||
104 | extern xfs_param_t xfs_params; | ||
105 | |||
106 | #ifdef CONFIG_SYSCTL | ||
107 | extern void xfs_sysctl_register(void); | ||
108 | extern void xfs_sysctl_unregister(void); | ||
109 | #else | ||
110 | # define xfs_sysctl_register() do { } while (0) | ||
111 | # define xfs_sysctl_unregister() do { } while (0) | ||
112 | #endif /* CONFIG_SYSCTL */ | ||
113 | |||
114 | #endif /* __XFS_SYSCTL_H__ */ | ||