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103 lines
3.2 KiB
103 lines
3.2 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2001-2005 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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*/ |
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#ifndef __XFS_SYSCTL_H__ |
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#define __XFS_SYSCTL_H__ |
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#include <linux/sysctl.h> |
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/* |
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* Tunable xfs parameters |
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*/ |
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typedef struct xfs_sysctl_val { |
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int min; |
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int val; |
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int max; |
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} xfs_sysctl_val_t; |
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typedef struct xfs_param { |
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xfs_sysctl_val_t sgid_inherit; /* Inherit S_ISGID if process' GID is |
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* not a member of parent dir GID. */ |
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xfs_sysctl_val_t symlink_mode; /* Link creat mode affected by umask */ |
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xfs_sysctl_val_t panic_mask; /* bitmask to cause panic on errors. */ |
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xfs_sysctl_val_t error_level; /* Degree of reporting for problems */ |
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xfs_sysctl_val_t syncd_timer; /* Interval between xfssyncd wakeups */ |
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xfs_sysctl_val_t stats_clear; /* Reset all XFS statistics to zero. */ |
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xfs_sysctl_val_t inherit_sync; /* Inherit the "sync" inode flag. */ |
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xfs_sysctl_val_t inherit_nodump;/* Inherit the "nodump" inode flag. */ |
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xfs_sysctl_val_t inherit_noatim;/* Inherit the "noatime" inode flag. */ |
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xfs_sysctl_val_t xfs_buf_timer; /* Interval between xfsbufd wakeups. */ |
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xfs_sysctl_val_t xfs_buf_age; /* Metadata buffer age before flush. */ |
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xfs_sysctl_val_t inherit_nosym; /* Inherit the "nosymlinks" flag. */ |
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xfs_sysctl_val_t rotorstep; /* inode32 AG rotoring control knob */ |
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xfs_sysctl_val_t inherit_nodfrg;/* Inherit the "nodefrag" inode flag. */ |
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xfs_sysctl_val_t fstrm_timer; /* Filestream dir-AG assoc'n timeout. */ |
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xfs_sysctl_val_t blockgc_timer; /* Interval between blockgc scans */ |
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} xfs_param_t; |
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/* |
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* xfs_error_level: |
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* |
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* How much error reporting will be done when internal problems are |
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* encountered. These problems normally return an EFSCORRUPTED to their |
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* caller, with no other information reported. |
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* |
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* 0 No error reports |
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* 1 Report EFSCORRUPTED errors that will cause a filesystem shutdown |
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* 5 Report all EFSCORRUPTED errors (all of the above errors, plus any |
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* additional errors that are known to not cause shutdowns) |
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* |
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* xfs_panic_mask bit 0x8 turns the error reports into panics |
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*/ |
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enum { |
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/* XFS_REFCACHE_SIZE = 1 */ |
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/* XFS_REFCACHE_PURGE = 2 */ |
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/* XFS_RESTRICT_CHOWN = 3 */ |
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XFS_SGID_INHERIT = 4, |
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XFS_SYMLINK_MODE = 5, |
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XFS_PANIC_MASK = 6, |
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XFS_ERRLEVEL = 7, |
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XFS_SYNCD_TIMER = 8, |
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/* XFS_PROBE_DMAPI = 9 */ |
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/* XFS_PROBE_IOOPS = 10 */ |
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/* XFS_PROBE_QUOTA = 11 */ |
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XFS_STATS_CLEAR = 12, |
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XFS_INHERIT_SYNC = 13, |
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XFS_INHERIT_NODUMP = 14, |
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XFS_INHERIT_NOATIME = 15, |
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XFS_BUF_TIMER = 16, |
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XFS_BUF_AGE = 17, |
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/* XFS_IO_BYPASS = 18 */ |
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XFS_INHERIT_NOSYM = 19, |
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XFS_ROTORSTEP = 20, |
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XFS_INHERIT_NODFRG = 21, |
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XFS_FILESTREAM_TIMER = 22, |
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}; |
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extern xfs_param_t xfs_params; |
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struct xfs_globals { |
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#ifdef DEBUG |
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int pwork_threads; /* parallel workqueue threads */ |
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bool larp; /* log attribute replay */ |
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#endif |
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int log_recovery_delay; /* log recovery delay (secs) */ |
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int mount_delay; /* mount setup delay (secs) */ |
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bool bug_on_assert; /* BUG() the kernel on assert failure */ |
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bool always_cow; /* use COW fork for all overwrites */ |
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}; |
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extern struct xfs_globals xfs_globals; |
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#ifdef CONFIG_SYSCTL |
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extern int xfs_sysctl_register(void); |
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extern void xfs_sysctl_unregister(void); |
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#else |
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# define xfs_sysctl_register() (0) |
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# define xfs_sysctl_unregister() do { } while (0) |
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#endif /* CONFIG_SYSCTL */ |
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#endif /* __XFS_SYSCTL_H__ */
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