| 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; | 
| Richard A. Holden III | 87d1fda | 2009-01-07 18:07:28 -0800 | [diff] [blame] | 16 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | static ctl_table coda_table[] = { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 19 | 	{ | 
 | 20 | 		.ctl_name	= CTL_UNNUMBERED, | 
 | 21 | 		.procname	= "timeout", | 
 | 22 | 		.data		= &coda_timeout, | 
 | 23 | 		.maxlen		= sizeof(int), | 
 | 24 | 		.mode		= 0644, | 
 | 25 | 		.proc_handler	= &proc_dointvec | 
 | 26 | 	}, | 
 | 27 | 	{ | 
 | 28 | 		.ctl_name	= CTL_UNNUMBERED, | 
 | 29 | 		.procname	= "hard", | 
 | 30 | 		.data		= &coda_hard, | 
 | 31 | 		.maxlen		= sizeof(int), | 
 | 32 | 		.mode		= 0644, | 
 | 33 | 		.proc_handler	= &proc_dointvec | 
 | 34 | 	}, | 
 | 35 | 	{ | 
 | 36 | 		.ctl_name	= CTL_UNNUMBERED, | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 37 | 		.procname	= "fake_statfs", | 
 | 38 | 		.data		= &coda_fake_statfs, | 
 | 39 | 		.maxlen		= sizeof(int), | 
 | 40 | 		.mode		= 0600, | 
 | 41 | 		.proc_handler	= &proc_dointvec | 
 | 42 | 	}, | 
 | 43 | 	{} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | }; | 
 | 45 |  | 
| Richard A. Holden III | 87d1fda | 2009-01-07 18:07:28 -0800 | [diff] [blame] | 46 | #ifdef CONFIG_SYSCTL | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | static ctl_table fs_table[] = { | 
| Eric W. Biederman | fd6065b | 2007-02-14 00:33:55 -0800 | [diff] [blame] | 48 | 	{ | 
 | 49 | 		.ctl_name	= CTL_UNNUMBERED, | 
 | 50 | 		.procname	= "coda", | 
 | 51 | 		.mode		= 0555, | 
 | 52 | 		.child		= coda_table | 
 | 53 | 	}, | 
 | 54 | 	{} | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | }; | 
| Richard A. Holden III | 87d1fda | 2009-01-07 18:07:28 -0800 | [diff] [blame] | 56 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | void coda_sysctl_init(void) | 
 | 59 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | #ifdef CONFIG_SYSCTL | 
 | 61 | 	if ( !fs_table_header ) | 
| Eric W. Biederman | 0b4d414 | 2007-02-14 00:34:09 -0800 | [diff] [blame] | 62 | 		fs_table_header = register_sysctl_table(fs_table); | 
| Jan Harkes | 3cf01f2 | 2007-07-19 01:48:51 -0700 | [diff] [blame] | 63 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | } | 
 | 65 |  | 
| Jan Harkes | 3cf01f2 | 2007-07-19 01:48:51 -0700 | [diff] [blame] | 66 | void coda_sysctl_clean(void) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | #ifdef CONFIG_SYSCTL | 
 | 69 | 	if ( fs_table_header ) { | 
 | 70 | 		unregister_sysctl_table(fs_table_header); | 
 | 71 | 		fs_table_header = NULL; | 
 | 72 | 	} | 
 | 73 | #endif | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | } |