Blame view
fs/fscache/proc.c
1.89 KB
7394daa8c FS-Cache: Add use... |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 |
/* FS-Cache statistics viewing interface * * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #define FSCACHE_DEBUG_LEVEL OPERATION #include <linux/module.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include "internal.h" /* * initialise the /proc/fs/fscache/ directory */ int __init fscache_proc_init(void) { _enter(""); if (!proc_mkdir("fs/fscache", NULL)) goto error_dir; #ifdef CONFIG_FSCACHE_STATS if (!proc_create("fs/fscache/stats", S_IFREG | 0444, NULL, &fscache_stats_fops)) goto error_stats; #endif #ifdef CONFIG_FSCACHE_HISTOGRAM if (!proc_create("fs/fscache/histogram", S_IFREG | 0444, NULL, &fscache_histogram_fops)) goto error_histogram; #endif |
4fbf4291a FS-Cache: Allow t... |
39 40 41 42 43 |
#ifdef CONFIG_FSCACHE_OBJECT_LIST if (!proc_create("fs/fscache/objects", S_IFREG | 0444, NULL, &fscache_objlist_fops)) goto error_objects; #endif |
7394daa8c FS-Cache: Add use... |
44 45 |
_leave(" = 0"); return 0; |
4fbf4291a FS-Cache: Allow t... |
46 47 48 |
#ifdef CONFIG_FSCACHE_OBJECT_LIST error_objects: #endif |
7394daa8c FS-Cache: Add use... |
49 |
#ifdef CONFIG_FSCACHE_HISTOGRAM |
4fbf4291a FS-Cache: Allow t... |
50 |
remove_proc_entry("fs/fscache/histogram", NULL); |
7394daa8c FS-Cache: Add use... |
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 |
error_histogram: #endif #ifdef CONFIG_FSCACHE_STATS remove_proc_entry("fs/fscache/stats", NULL); error_stats: #endif remove_proc_entry("fs/fscache", NULL); error_dir: _leave(" = -ENOMEM"); return -ENOMEM; } /* * clean up the /proc/fs/fscache/ directory */ void fscache_proc_cleanup(void) { |
4fbf4291a FS-Cache: Allow t... |
68 69 70 |
#ifdef CONFIG_FSCACHE_OBJECT_LIST remove_proc_entry("fs/fscache/objects", NULL); #endif |
7394daa8c FS-Cache: Add use... |
71 72 73 74 75 76 77 78 |
#ifdef CONFIG_FSCACHE_HISTOGRAM remove_proc_entry("fs/fscache/histogram", NULL); #endif #ifdef CONFIG_FSCACHE_STATS remove_proc_entry("fs/fscache/stats", NULL); #endif remove_proc_entry("fs/fscache", NULL); } |