| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | * Sysctl operations for Coda filesystem | 
|  | 3 | * Original version: (C) 1996 P. Braam and M. Callahan | 
|  | 4 | * Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University | 
|  | 5 | * | 
|  | 6 | * Carnegie Mellon encourages users to contribute improvements to | 
|  | 7 | * the Coda project. Contact Peter Braam (coda@cs.cmu.edu). | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | */ | 
|  | 9 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | #include <linux/sysctl.h> | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 |  | 
| Jan Harkes | 3cf01f2 | 2007-07-19 01:48:51 -0700 | [diff] [blame] | 12 | #include "coda_int.h" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 |  | 
|  | 14 | static struct ctl_table_header *fs_table_header; | 
|  | 15 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | static ctl_table coda_table[] = { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 17 | { | 
|  | 18 | .ctl_name	= CTL_UNNUMBERED, | 
|  | 19 | .procname	= "timeout", | 
|  | 20 | .data		= &coda_timeout, | 
|  | 21 | .maxlen		= sizeof(int), | 
|  | 22 | .mode		= 0644, | 
|  | 23 | .proc_handler	= &proc_dointvec | 
|  | 24 | }, | 
|  | 25 | { | 
|  | 26 | .ctl_name	= CTL_UNNUMBERED, | 
|  | 27 | .procname	= "hard", | 
|  | 28 | .data		= &coda_hard, | 
|  | 29 | .maxlen		= sizeof(int), | 
|  | 30 | .mode		= 0644, | 
|  | 31 | .proc_handler	= &proc_dointvec | 
|  | 32 | }, | 
|  | 33 | { | 
|  | 34 | .ctl_name	= CTL_UNNUMBERED, | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 35 | .procname	= "fake_statfs", | 
|  | 36 | .data		= &coda_fake_statfs, | 
|  | 37 | .maxlen		= sizeof(int), | 
|  | 38 | .mode		= 0600, | 
|  | 39 | .proc_handler	= &proc_dointvec | 
|  | 40 | }, | 
|  | 41 | {} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | }; | 
|  | 43 |  | 
|  | 44 | static ctl_table fs_table[] = { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 45 | { | 
|  | 46 | .ctl_name	= CTL_UNNUMBERED, | 
|  | 47 | .procname	= "coda", | 
|  | 48 | .mode		= 0555, | 
|  | 49 | .child		= coda_table | 
|  | 50 | }, | 
|  | 51 | {} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | }; | 
|  | 53 |  | 
|  | 54 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | void coda_sysctl_init(void) | 
|  | 56 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | #ifdef CONFIG_SYSCTL | 
|  | 58 | if ( !fs_table_header ) | 
| Eric W. Biederman | 0b4d414 | 2007-02-14 00:34:09 -0800 | [diff] [blame] | 59 | fs_table_header = register_sysctl_table(fs_table); | 
| Jan Harkes | 3cf01f2 | 2007-07-19 01:48:51 -0700 | [diff] [blame] | 60 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | } | 
|  | 62 |  | 
| Jan Harkes | 3cf01f2 | 2007-07-19 01:48:51 -0700 | [diff] [blame] | 63 | void coda_sysctl_clean(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | #ifdef CONFIG_SYSCTL | 
|  | 66 | if ( fs_table_header ) { | 
|  | 67 | unregister_sysctl_table(fs_table_header); | 
|  | 68 | fs_table_header = NULL; | 
|  | 69 | } | 
|  | 70 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | } |