diff options
Diffstat (limited to 'sys/gnu/fs/xfs/FreeBSD/xfs_sysctl.h')
| -rw-r--r-- | sys/gnu/fs/xfs/FreeBSD/xfs_sysctl.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sys/gnu/fs/xfs/FreeBSD/xfs_sysctl.h b/sys/gnu/fs/xfs/FreeBSD/xfs_sysctl.h new file mode 100644 index 0000000..b4b58b4 --- /dev/null +++ b/sys/gnu/fs/xfs/FreeBSD/xfs_sysctl.h @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2001-2002 Silicon Graphics, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * Further, this software is distributed without any warranty that it is + * free of the rightful claim of any third person regarding infringement + * or the like. Any license provided herein, whether implied or + * otherwise, applies only to this software file. Patent licenses, if + * any, provided herein do not apply to combinations of this program with + * other software, or any other product whatsoever. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, + * Mountain View, CA 94043, or: + * + * http://www.sgi.com + * + * For further information regarding this notice, see: + * + * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + */ + +#ifndef __XFS_SYSCTL_H__ +#define __XFS_SYSCTL_H__ + +/* + * Tunable xfs parameters + */ + +typedef struct xfs_sysctl_val { + int min; + int val; + int max; +} xfs_sysctl_val_t; + +typedef struct xfs_param { + xfs_sysctl_val_t refcache_size; /* Size of NFS reference cache. */ + xfs_sysctl_val_t refcache_purge;/* # of entries to purge each time. */ + xfs_sysctl_val_t restrict_chown;/* Root/non-root can give away files.*/ + xfs_sysctl_val_t sgid_inherit; /* Inherit S_ISGID bit if process' GID + * is not a member of the parent dir + * GID */ + xfs_sysctl_val_t symlink_mode; /* Link creat mode affected by umask */ + xfs_sysctl_val_t panic_mask; /* bitmask to cause panic on errors. */ + xfs_sysctl_val_t error_level; /* Degree of reporting for problems */ + xfs_sysctl_val_t sync_interval; /* time between sync calls */ + xfs_sysctl_val_t stats_clear; /* Reset all XFS statistics to zero. */ + xfs_sysctl_val_t probe_dmapi; /* probe for DMAPI module on mount. */ + xfs_sysctl_val_t probe_ioops; /* probe for an IO module on mount. */ + xfs_sysctl_val_t probe_quota; /* probe for quota module on mount. */ + xfs_sysctl_val_t inherit_sync; /* Inherit the "sync" inode flag. */ + xfs_sysctl_val_t inherit_nodump;/* Inherit the "nodump" inode flag. */ + xfs_sysctl_val_t inherit_noatim;/* Inherit the "noatime" inode flag. */ + xfs_sysctl_val_t flush_interval;/* interval between runs of the + * delwri flush daemon. */ + xfs_sysctl_val_t age_buffer; /* time for buffer to age before + * we flush it. */ + xfs_sysctl_val_t io_bypass; /* toggle for directio io bypass */ +} xfs_param_t; + +/* + * xfs_error_level: + * + * How much error reporting will be done when internal problems are + * encountered. These problems normally return an EFSCORRUPTED to their + * caller, with no other information reported. + * + * 0 No error reports + * 1 Report EFSCORRUPTED errors that will cause a filesystem shutdown + * 5 Report all EFSCORRUPTED errors (all of the above errors, plus any + * additional errors that are known to not cause shutdowns) + * + * xfs_panic_mask bit 0x8 turns the error reports into panics + */ + +enum { + XFS_REFCACHE_SIZE = 1, + XFS_REFCACHE_PURGE = 2, + XFS_RESTRICT_CHOWN = 3, + XFS_SGID_INHERIT = 4, + XFS_SYMLINK_MODE = 5, + XFS_PANIC_MASK = 6, + XFS_ERRLEVEL = 7, + XFS_SYNC_INTERVAL = 8, + XFS_PROBE_DMAPI = 9, + XFS_PROBE_IOOPS = 10, + XFS_PROBE_QUOTA = 11, + XFS_STATS_CLEAR = 12, + XFS_INHERIT_SYNC = 13, + XFS_INHERIT_NODUMP = 14, + XFS_INHERIT_NOATIME = 15, + XFS_FLUSH_INTERVAL = 16, + XFS_AGE_BUFFER = 17, + XFS_IO_BYPASS = 18, +}; + +extern xfs_param_t xfs_params; + +#ifdef CONFIG_SYSCTL +extern void xfs_sysctl_register(void); +extern void xfs_sysctl_unregister(void); +#else +# define xfs_sysctl_register() do { } while (0) +# define xfs_sysctl_unregister() do { } while (0) +#endif /* CONFIG_SYSCTL */ + +#endif /* __XFS_SYSCTL_H__ */ + |
