| 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 |  | 
| Richard A. Holden III | 87d1fda | 2009-01-07 18:07:28 -0800 | [diff] [blame] | 14 | #ifdef CONFIG_SYSCTL | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | static struct ctl_table_header *fs_table_header; | 
|  | 16 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | static ctl_table coda_table[] = { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 18 | { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 19 | .procname	= "timeout", | 
|  | 20 | .data		= &coda_timeout, | 
|  | 21 | .maxlen		= sizeof(int), | 
|  | 22 | .mode		= 0644, | 
| Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 23 | .proc_handler	= proc_dointvec | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 24 | }, | 
|  | 25 | { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 26 | .procname	= "hard", | 
|  | 27 | .data		= &coda_hard, | 
|  | 28 | .maxlen		= sizeof(int), | 
|  | 29 | .mode		= 0644, | 
| Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 30 | .proc_handler	= proc_dointvec | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 31 | }, | 
|  | 32 | { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 33 | .procname	= "fake_statfs", | 
|  | 34 | .data		= &coda_fake_statfs, | 
|  | 35 | .maxlen		= sizeof(int), | 
|  | 36 | .mode		= 0600, | 
| Eric W. Biederman | 6d45611 | 2009-11-16 03:11:48 -0800 | [diff] [blame] | 37 | .proc_handler	= proc_dointvec | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 38 | }, | 
|  | 39 | {} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | }; | 
|  | 41 |  | 
|  | 42 | static ctl_table fs_table[] = { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 43 | { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 44 | .procname	= "coda", | 
|  | 45 | .mode		= 0555, | 
|  | 46 | .child		= coda_table | 
|  | 47 | }, | 
|  | 48 | {} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | }; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | void coda_sysctl_init(void) | 
|  | 52 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | if ( !fs_table_header ) | 
| Eric W. Biederman | 0b4d414 | 2007-02-14 00:34:09 -0800 | [diff] [blame] | 54 | fs_table_header = register_sysctl_table(fs_table); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | } | 
|  | 56 |  | 
| Jan Harkes | 3cf01f2 | 2007-07-19 01:48:51 -0700 | [diff] [blame] | 57 | void coda_sysctl_clean(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | if ( fs_table_header ) { | 
|  | 60 | unregister_sysctl_table(fs_table_header); | 
|  | 61 | fs_table_header = NULL; | 
|  | 62 | } | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | } | 
| Rakib Mullick | c03e312 | 2011-03-25 01:57:01 -0700 | [diff] [blame] | 64 |  | 
|  | 65 | #else | 
|  | 66 | void coda_sysctl_init(void) | 
|  | 67 | { | 
|  | 68 | } | 
|  | 69 |  | 
|  | 70 | void coda_sysctl_clean(void) | 
|  | 71 | { | 
|  | 72 | } | 
| Rakib Mullick | 0bc825d | 2011-03-22 16:35:00 -0700 | [diff] [blame] | 73 | #endif |