projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 466bfe7f BS |
1 | /* |
| 2 | * linux/fs/nfs/nfs4sysctl.c | |
| 3 | * | |
| 4 | * Sysctl interface to NFS v4 parameters | |
| 5 | * | |
| 6 | * Copyright (c) 2006 Trond Myklebust <Trond.Myklebust@netapp.com> | |
| 7 | */ | |
| 8 | #include <linux/sysctl.h> | |
| 9 | #include <linux/nfs_idmap.h> | |
| 10 | #include <linux/nfs_fs.h> | |
| 11 | ||
| 12 | #include "callback.h" | |
| 13 | ||
| 14 | static const int nfs_set_port_min = 0; | |
| 15 | static const int nfs_set_port_max = 65535; | |
| 16 | static struct ctl_table_header *nfs4_callback_sysctl_table; | |
| 17 | ||
| 18 | static ctl_table nfs4_cb_sysctls[] = { | |
| 19 | { | |
| 20 | .procname = "nfs_callback_tcpport", | |
| 21 | .data = &nfs_callback_set_tcpport, | |
| 22 | .maxlen = sizeof(int), | |
| 23 | .mode = 0644, | |
| 24 | .proc_handler = proc_dointvec_minmax, | |
| 25 | .extra1 = (int *)&nfs_set_port_min, | |
| 26 | .extra2 = (int *)&nfs_set_port_max, | |
| 27 | }, | |
| 28 | { | |
| 29 | .procname = "idmap_cache_timeout", | |
| 30 | .data = &nfs_idmap_cache_timeout, | |
| 31 | .maxlen = sizeof(int), | |
| 32 | .mode = 0644, | |
| 33 | .proc_handler = proc_dointvec_jiffies, | |
| 34 | }, | |
| 35 | { } | |
| 36 | }; | |
| 37 | ||
| 38 | static ctl_table nfs4_cb_sysctl_dir[] = { | |
| 39 | { | |
| 40 | .procname = "nfs", | |
| 41 | .mode = 0555, | |
| 42 | .child = nfs4_cb_sysctls, | |
| 43 | }, | |
| 44 | { } | |
| 45 | }; | |
| 46 | ||
| 47 | static ctl_table nfs4_cb_sysctl_root[] = { | |
| 48 | { | |
| 49 | .procname = "fs", | |
| 50 | .mode = 0555, | |
| 51 | .child = nfs4_cb_sysctl_dir, | |
| 52 | }, | |
| 53 | { } | |
| 54 | }; | |
| 55 | ||
| 56 | int nfs4_register_sysctl(void) | |
| 57 | { | |
| 58 | nfs4_callback_sysctl_table = register_sysctl_table(nfs4_cb_sysctl_root); | |
| 59 | if (nfs4_callback_sysctl_table == NULL) | |
| 60 | return -ENOMEM; | |
| 61 | return 0; | |
| 62 | } | |
| 63 | ||
| 64 | void nfs4_unregister_sysctl(void) | |
| 65 | { | |
| 66 | unregister_sysctl_table(nfs4_callback_sysctl_table); | |
| 67 | nfs4_callback_sysctl_table = NULL; | |
| 68 | } |