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0b61f8a4 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | /* |
7b718769 NS |
3 | * Copyright (c) 2001-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
1da177e4 | 5 | */ |
1da177e4 LT |
6 | #ifndef __XFS_SYSCTL_H__ |
7 | #define __XFS_SYSCTL_H__ | |
8 | ||
9 | #include <linux/sysctl.h> | |
10 | ||
11 | /* | |
12 | * Tunable xfs parameters | |
13 | */ | |
14 | ||
15 | typedef struct xfs_sysctl_val { | |
16 | int min; | |
17 | int val; | |
18 | int max; | |
19 | } xfs_sysctl_val_t; | |
20 | ||
21 | typedef struct xfs_param { | |
1da177e4 LT |
22 | xfs_sysctl_val_t sgid_inherit; /* Inherit S_ISGID if process' GID is |
23 | * not a member of parent dir GID. */ | |
24 | xfs_sysctl_val_t symlink_mode; /* Link creat mode affected by umask */ | |
25 | xfs_sysctl_val_t panic_mask; /* bitmask to cause panic on errors. */ | |
26 | xfs_sysctl_val_t error_level; /* Degree of reporting for problems */ | |
27 | xfs_sysctl_val_t syncd_timer; /* Interval between xfssyncd wakeups */ | |
28 | xfs_sysctl_val_t stats_clear; /* Reset all XFS statistics to zero. */ | |
29 | xfs_sysctl_val_t inherit_sync; /* Inherit the "sync" inode flag. */ | |
30 | xfs_sysctl_val_t inherit_nodump;/* Inherit the "nodump" inode flag. */ | |
31 | xfs_sysctl_val_t inherit_noatim;/* Inherit the "noatime" inode flag. */ | |
32 | xfs_sysctl_val_t xfs_buf_timer; /* Interval between xfsbufd wakeups. */ | |
33 | xfs_sysctl_val_t xfs_buf_age; /* Metadata buffer age before flush. */ | |
34 | xfs_sysctl_val_t inherit_nosym; /* Inherit the "nosymlinks" flag. */ | |
35 | xfs_sysctl_val_t rotorstep; /* inode32 AG rotoring control knob */ | |
d3446eac | 36 | xfs_sysctl_val_t inherit_nodfrg;/* Inherit the "nodefrag" inode flag. */ |
2a82b8be | 37 | xfs_sysctl_val_t fstrm_timer; /* Filestream dir-AG assoc'n timeout. */ |
9669f51d | 38 | xfs_sysctl_val_t blockgc_timer; /* Interval between blockgc scans */ |
1da177e4 LT |
39 | } xfs_param_t; |
40 | ||
41 | /* | |
42 | * xfs_error_level: | |
43 | * | |
44 | * How much error reporting will be done when internal problems are | |
45 | * encountered. These problems normally return an EFSCORRUPTED to their | |
46 | * caller, with no other information reported. | |
47 | * | |
48 | * 0 No error reports | |
49 | * 1 Report EFSCORRUPTED errors that will cause a filesystem shutdown | |
50 | * 5 Report all EFSCORRUPTED errors (all of the above errors, plus any | |
51 | * additional errors that are known to not cause shutdowns) | |
52 | * | |
53 | * xfs_panic_mask bit 0x8 turns the error reports into panics | |
54 | */ | |
55 | ||
56 | enum { | |
57 | /* XFS_REFCACHE_SIZE = 1 */ | |
58 | /* XFS_REFCACHE_PURGE = 2 */ | |
e0b8e8b6 | 59 | /* XFS_RESTRICT_CHOWN = 3 */ |
1da177e4 LT |
60 | XFS_SGID_INHERIT = 4, |
61 | XFS_SYMLINK_MODE = 5, | |
62 | XFS_PANIC_MASK = 6, | |
63 | XFS_ERRLEVEL = 7, | |
64 | XFS_SYNCD_TIMER = 8, | |
65 | /* XFS_PROBE_DMAPI = 9 */ | |
66 | /* XFS_PROBE_IOOPS = 10 */ | |
67 | /* XFS_PROBE_QUOTA = 11 */ | |
68 | XFS_STATS_CLEAR = 12, | |
69 | XFS_INHERIT_SYNC = 13, | |
70 | XFS_INHERIT_NODUMP = 14, | |
71 | XFS_INHERIT_NOATIME = 15, | |
72 | XFS_BUF_TIMER = 16, | |
73 | XFS_BUF_AGE = 17, | |
74 | /* XFS_IO_BYPASS = 18 */ | |
75 | XFS_INHERIT_NOSYM = 19, | |
76 | XFS_ROTORSTEP = 20, | |
d3446eac | 77 | XFS_INHERIT_NODFRG = 21, |
2a82b8be | 78 | XFS_FILESTREAM_TIMER = 22, |
1da177e4 LT |
79 | }; |
80 | ||
81 | extern xfs_param_t xfs_params; | |
82 | ||
2e227178 | 83 | struct xfs_globals { |
40786717 DW |
84 | #ifdef DEBUG |
85 | int pwork_threads; /* parallel workqueue threads */ | |
535e2f75 | 86 | bool larp; /* log attribute replay */ |
40786717 | 87 | #endif |
2e227178 | 88 | int log_recovery_delay; /* log recovery delay (secs) */ |
dae5cd81 | 89 | int mount_delay; /* mount setup delay (secs) */ |
ccdab3d6 | 90 | bool bug_on_assert; /* BUG() the kernel on assert failure */ |
66ae56a5 | 91 | bool always_cow; /* use COW fork for all overwrites */ |
2e227178 BF |
92 | }; |
93 | extern struct xfs_globals xfs_globals; | |
94 | ||
1da177e4 | 95 | #ifdef CONFIG_SYSCTL |
9f8868ff | 96 | extern int xfs_sysctl_register(void); |
1da177e4 LT |
97 | extern void xfs_sysctl_unregister(void); |
98 | #else | |
9f8868ff | 99 | # define xfs_sysctl_register() (0) |
1da177e4 LT |
100 | # define xfs_sysctl_unregister() do { } while (0) |
101 | #endif /* CONFIG_SYSCTL */ | |
102 | ||
103 | #endif /* __XFS_SYSCTL_H__ */ |