blob: d24be334b6089c592068634de7f613d8f2114f27 [file] [log] [blame]
David Howellsec268152007-04-26 15:49:28 -07001/* AFS superblock handling
2 *
David Howells08e0e7c2007-04-26 15:55:03 -07003 * Copyright (c) 2002, 2007 Red Hat, Inc. All rights reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
5 * This software may be freely redistributed under the terms of the
6 * GNU General Public License.
7 *
8 * You should have received a copy of the GNU General Public License
9 * along with this program; if not, write to the Free Software
10 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
11 *
12 * Authors: David Howells <dhowells@redhat.com>
David Howellsec268152007-04-26 15:49:28 -070013 * David Woodhouse <dwmw2@redhat.com>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014 *
15 */
16
17#include <linux/kernel.h>
18#include <linux/module.h>
19#include <linux/init.h>
20#include <linux/slab.h>
21#include <linux/fs.h>
22#include <linux/pagemap.h>
David Howells80c72fe2007-05-03 03:11:29 -070023#include <linux/parser.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include "internal.h"
25
26#define AFS_FS_MAGIC 0x6B414653 /* 'kAFS' */
27
Christoph Lametere18b8902006-12-06 20:33:20 -080028static void afs_i_init_once(void *foo, struct kmem_cache *cachep,
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 unsigned long flags);
30
David Howells454e2392006-06-23 02:02:57 -070031static int afs_get_sb(struct file_system_type *fs_type,
32 int flags, const char *dev_name,
33 void *data, struct vfsmount *mnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -070034
35static struct inode *afs_alloc_inode(struct super_block *sb);
36
37static void afs_put_super(struct super_block *sb);
38
39static void afs_destroy_inode(struct inode *inode);
40
Trond Myklebust1f5ce9e2006-06-09 09:34:16 -040041struct file_system_type afs_fs_type = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 .owner = THIS_MODULE,
43 .name = "afs",
44 .get_sb = afs_get_sb,
45 .kill_sb = kill_anon_super,
David Howells80c72fe2007-05-03 03:11:29 -070046 .fs_flags = 0,
Linus Torvalds1da177e2005-04-16 15:20:36 -070047};
48
Josef 'Jeff' Sipekee9b6d62007-02-12 00:55:41 -080049static const struct super_operations afs_super_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 .statfs = simple_statfs,
51 .alloc_inode = afs_alloc_inode,
52 .drop_inode = generic_delete_inode,
David Howells31143d52007-05-09 02:33:46 -070053 .write_inode = afs_write_inode,
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 .destroy_inode = afs_destroy_inode,
55 .clear_inode = afs_clear_inode,
David Howells08e0e7c2007-04-26 15:55:03 -070056 .umount_begin = afs_umount_begin,
Linus Torvalds1da177e2005-04-16 15:20:36 -070057 .put_super = afs_put_super,
58};
59
Christoph Lametere18b8902006-12-06 20:33:20 -080060static struct kmem_cache *afs_inode_cachep;
Linus Torvalds1da177e2005-04-16 15:20:36 -070061static atomic_t afs_count_active_inodes;
62
David Howells80c72fe2007-05-03 03:11:29 -070063enum {
64 afs_no_opt,
65 afs_opt_cell,
66 afs_opt_rwpath,
67 afs_opt_vol,
68};
69
David Howells31143d52007-05-09 02:33:46 -070070static match_table_t afs_options_list = {
David Howells80c72fe2007-05-03 03:11:29 -070071 { afs_opt_cell, "cell=%s" },
72 { afs_opt_rwpath, "rwpath" },
73 { afs_opt_vol, "vol=%s" },
74 { afs_no_opt, NULL },
75};
76
Linus Torvalds1da177e2005-04-16 15:20:36 -070077/*
78 * initialise the filesystem
79 */
80int __init afs_fs_init(void)
81{
82 int ret;
83
84 _enter("");
85
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 /* create ourselves an inode cache */
87 atomic_set(&afs_count_active_inodes, 0);
88
89 ret = -ENOMEM;
90 afs_inode_cachep = kmem_cache_create("afs_inode_cache",
91 sizeof(struct afs_vnode),
92 0,
93 SLAB_HWCACHE_ALIGN,
94 afs_i_init_once,
95 NULL);
96 if (!afs_inode_cachep) {
97 printk(KERN_NOTICE "kAFS: Failed to allocate inode cache\n");
98 return ret;
99 }
100
101 /* now export our filesystem to lesser mortals */
102 ret = register_filesystem(&afs_fs_type);
103 if (ret < 0) {
104 kmem_cache_destroy(afs_inode_cachep);
David Howells08e0e7c2007-04-26 15:55:03 -0700105 _leave(" = %d", ret);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 return ret;
107 }
108
David Howells08e0e7c2007-04-26 15:55:03 -0700109 _leave(" = 0");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110 return 0;
David Howellsec268152007-04-26 15:49:28 -0700111}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113/*
114 * clean up the filesystem
115 */
116void __exit afs_fs_exit(void)
117{
David Howells08e0e7c2007-04-26 15:55:03 -0700118 _enter("");
119
120 afs_mntpt_kill_timer();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 unregister_filesystem(&afs_fs_type);
122
123 if (atomic_read(&afs_count_active_inodes) != 0) {
124 printk("kAFS: %d active inode objects still present\n",
125 atomic_read(&afs_count_active_inodes));
126 BUG();
127 }
128
129 kmem_cache_destroy(afs_inode_cachep);
David Howells08e0e7c2007-04-26 15:55:03 -0700130 _leave("");
David Howellsec268152007-04-26 15:49:28 -0700131}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134 * parse the mount options
135 * - this function has been shamelessly adapted from the ext3 fs which
136 * shamelessly adapted it from the msdos fs
137 */
David Howells00d3b7a2007-04-26 15:57:07 -0700138static int afs_parse_options(struct afs_mount_params *params,
139 char *options, const char **devname)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140{
David Howells08e0e7c2007-04-26 15:55:03 -0700141 struct afs_cell *cell;
David Howells80c72fe2007-05-03 03:11:29 -0700142 substring_t args[MAX_OPT_ARGS];
143 char *p;
144 int token;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145
146 _enter("%s", options);
147
148 options[PAGE_SIZE - 1] = 0;
149
David Howells80c72fe2007-05-03 03:11:29 -0700150 while ((p = strsep(&options, ","))) {
151 if (!*p)
152 continue;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153
David Howells80c72fe2007-05-03 03:11:29 -0700154 token = match_token(p, afs_options_list, args);
155 switch (token) {
156 case afs_opt_cell:
157 cell = afs_cell_lookup(args[0].from,
158 args[0].to - args[0].from);
David Howells08e0e7c2007-04-26 15:55:03 -0700159 if (IS_ERR(cell))
160 return PTR_ERR(cell);
David Howells00d3b7a2007-04-26 15:57:07 -0700161 afs_put_cell(params->cell);
162 params->cell = cell;
David Howells80c72fe2007-05-03 03:11:29 -0700163 break;
164
165 case afs_opt_rwpath:
166 params->rwpath = 1;
167 break;
168
169 case afs_opt_vol:
170 *devname = args[0].from;
171 break;
172
173 default:
174 printk(KERN_ERR "kAFS:"
175 " Unknown or invalid mount option: '%s'\n", p);
176 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178 }
179
David Howells80c72fe2007-05-03 03:11:29 -0700180 _leave(" = 0");
181 return 0;
David Howellsec268152007-04-26 15:49:28 -0700182}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700183
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184/*
David Howells00d3b7a2007-04-26 15:57:07 -0700185 * parse a device name to get cell name, volume name, volume type and R/W
186 * selector
187 * - this can be one of the following:
188 * "%[cell:]volume[.]" R/W volume
189 * "#[cell:]volume[.]" R/O or R/W volume (rwpath=0),
190 * or R/W (rwpath=1) volume
191 * "%[cell:]volume.readonly" R/O volume
192 * "#[cell:]volume.readonly" R/O volume
193 * "%[cell:]volume.backup" Backup volume
194 * "#[cell:]volume.backup" Backup volume
195 */
196static int afs_parse_device_name(struct afs_mount_params *params,
197 const char *name)
198{
199 struct afs_cell *cell;
200 const char *cellname, *suffix;
201 int cellnamesz;
202
203 _enter(",%s", name);
204
205 if (!name) {
206 printk(KERN_ERR "kAFS: no volume name specified\n");
207 return -EINVAL;
208 }
209
210 if ((name[0] != '%' && name[0] != '#') || !name[1]) {
211 printk(KERN_ERR "kAFS: unparsable volume name\n");
212 return -EINVAL;
213 }
214
215 /* determine the type of volume we're looking for */
216 params->type = AFSVL_ROVOL;
217 params->force = false;
218 if (params->rwpath || name[0] == '%') {
219 params->type = AFSVL_RWVOL;
220 params->force = true;
221 }
222 name++;
223
224 /* split the cell name out if there is one */
225 params->volname = strchr(name, ':');
226 if (params->volname) {
227 cellname = name;
228 cellnamesz = params->volname - name;
229 params->volname++;
230 } else {
231 params->volname = name;
232 cellname = NULL;
233 cellnamesz = 0;
234 }
235
236 /* the volume type is further affected by a possible suffix */
237 suffix = strrchr(params->volname, '.');
238 if (suffix) {
239 if (strcmp(suffix, ".readonly") == 0) {
240 params->type = AFSVL_ROVOL;
241 params->force = true;
242 } else if (strcmp(suffix, ".backup") == 0) {
243 params->type = AFSVL_BACKVOL;
244 params->force = true;
245 } else if (suffix[1] == 0) {
246 } else {
247 suffix = NULL;
248 }
249 }
250
251 params->volnamesz = suffix ?
252 suffix - params->volname : strlen(params->volname);
253
254 _debug("cell %*.*s [%p]",
255 cellnamesz, cellnamesz, cellname ?: "", params->cell);
256
257 /* lookup the cell record */
258 if (cellname || !params->cell) {
259 cell = afs_cell_lookup(cellname, cellnamesz);
260 if (IS_ERR(cell)) {
261 printk(KERN_ERR "kAFS: unable to lookup cell '%s'\n",
262 cellname ?: "");
263 return PTR_ERR(cell);
264 }
265 afs_put_cell(params->cell);
266 params->cell = cell;
267 }
268
269 _debug("CELL:%s [%p] VOLUME:%*.*s SUFFIX:%s TYPE:%d%s",
270 params->cell->name, params->cell,
271 params->volnamesz, params->volnamesz, params->volname,
272 suffix ?: "-", params->type, params->force ? " FORCE" : "");
273
274 return 0;
275}
276
277/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278 * check a superblock to see if it's the one we're looking for
279 */
280static int afs_test_super(struct super_block *sb, void *data)
281{
282 struct afs_mount_params *params = data;
283 struct afs_super_info *as = sb->s_fs_info;
284
285 return as->volume == params->volume;
David Howellsec268152007-04-26 15:49:28 -0700286}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287
Linus Torvalds1da177e2005-04-16 15:20:36 -0700288/*
289 * fill in the superblock
290 */
David Howells436058a2007-04-26 15:56:24 -0700291static int afs_fill_super(struct super_block *sb, void *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292{
293 struct afs_mount_params *params = data;
294 struct afs_super_info *as = NULL;
295 struct afs_fid fid;
296 struct dentry *root = NULL;
297 struct inode *inode = NULL;
298 int ret;
299
David Howells08e0e7c2007-04-26 15:55:03 -0700300 _enter("");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301
302 /* allocate a superblock info record */
Yan Burmanb593e482006-12-06 20:40:32 -0800303 as = kzalloc(sizeof(struct afs_super_info), GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700304 if (!as) {
305 _leave(" = -ENOMEM");
306 return -ENOMEM;
307 }
308
Linus Torvalds1da177e2005-04-16 15:20:36 -0700309 afs_get_volume(params->volume);
310 as->volume = params->volume;
311
312 /* fill in the superblock */
313 sb->s_blocksize = PAGE_CACHE_SIZE;
314 sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
315 sb->s_magic = AFS_FS_MAGIC;
316 sb->s_op = &afs_super_ops;
317 sb->s_fs_info = as;
318
319 /* allocate the root inode and dentry */
320 fid.vid = as->volume->vid;
321 fid.vnode = 1;
322 fid.unique = 1;
David Howells260a9802007-04-26 15:59:35 -0700323 inode = afs_iget(sb, params->key, &fid, NULL, NULL);
David Howells08e0e7c2007-04-26 15:55:03 -0700324 if (IS_ERR(inode))
325 goto error_inode;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326
327 ret = -ENOMEM;
328 root = d_alloc_root(inode);
329 if (!root)
330 goto error;
331
332 sb->s_root = root;
333
David Howells08e0e7c2007-04-26 15:55:03 -0700334 _leave(" = 0");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335 return 0;
336
David Howells08e0e7c2007-04-26 15:55:03 -0700337error_inode:
338 ret = PTR_ERR(inode);
339 inode = NULL;
David Howellsec268152007-04-26 15:49:28 -0700340error:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341 iput(inode);
342 afs_put_volume(as->volume);
343 kfree(as);
344
345 sb->s_fs_info = NULL;
346
David Howells08e0e7c2007-04-26 15:55:03 -0700347 _leave(" = %d", ret);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700348 return ret;
David Howellsec268152007-04-26 15:49:28 -0700349}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700350
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351/*
352 * get an AFS superblock
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353 */
David Howells454e2392006-06-23 02:02:57 -0700354static int afs_get_sb(struct file_system_type *fs_type,
355 int flags,
356 const char *dev_name,
357 void *options,
358 struct vfsmount *mnt)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359{
360 struct afs_mount_params params;
361 struct super_block *sb;
David Howells08e0e7c2007-04-26 15:55:03 -0700362 struct afs_volume *vol;
David Howells00d3b7a2007-04-26 15:57:07 -0700363 struct key *key;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700364 int ret;
365
366 _enter(",,%s,%p", dev_name, options);
367
368 memset(&params, 0, sizeof(params));
369
David Howells00d3b7a2007-04-26 15:57:07 -0700370 /* parse the options and device name */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371 if (options) {
David Howells00d3b7a2007-04-26 15:57:07 -0700372 ret = afs_parse_options(&params, options, &dev_name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 if (ret < 0)
374 goto error;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375 }
376
David Howells00d3b7a2007-04-26 15:57:07 -0700377 ret = afs_parse_device_name(&params, dev_name);
378 if (ret < 0)
379 goto error;
380
381 /* try and do the mount securely */
382 key = afs_request_key(params.cell);
383 if (IS_ERR(key)) {
384 _leave(" = %ld [key]", PTR_ERR(key));
385 ret = PTR_ERR(key);
386 goto error;
387 }
388 params.key = key;
389
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390 /* parse the device name */
David Howells00d3b7a2007-04-26 15:57:07 -0700391 vol = afs_volume_lookup(&params);
David Howells08e0e7c2007-04-26 15:55:03 -0700392 if (IS_ERR(vol)) {
393 ret = PTR_ERR(vol);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700394 goto error;
David Howells08e0e7c2007-04-26 15:55:03 -0700395 }
David Howells08e0e7c2007-04-26 15:55:03 -0700396 params.volume = vol;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700397
398 /* allocate a deviceless superblock */
399 sb = sget(fs_type, afs_test_super, set_anon_super, &params);
David Howells08e0e7c2007-04-26 15:55:03 -0700400 if (IS_ERR(sb)) {
401 ret = PTR_ERR(sb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402 goto error;
David Howells08e0e7c2007-04-26 15:55:03 -0700403 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404
David Howells436058a2007-04-26 15:56:24 -0700405 if (!sb->s_root) {
406 /* initial superblock/root creation */
407 _debug("create");
408 sb->s_flags = flags;
409 ret = afs_fill_super(sb, &params);
410 if (ret < 0) {
411 up_write(&sb->s_umount);
412 deactivate_super(sb);
413 goto error;
414 }
415 sb->s_flags |= MS_ACTIVE;
416 } else {
417 _debug("reuse");
418 ASSERTCMP(sb->s_flags, &, MS_ACTIVE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700419 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420
David Howells436058a2007-04-26 15:56:24 -0700421 simple_set_mnt(mnt, sb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700422 afs_put_volume(params.volume);
David Howells00d3b7a2007-04-26 15:57:07 -0700423 afs_put_cell(params.cell);
David Howells08e0e7c2007-04-26 15:55:03 -0700424 _leave(" = 0 [%p]", sb);
David Howells454e2392006-06-23 02:02:57 -0700425 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700426
David Howellsec268152007-04-26 15:49:28 -0700427error:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 afs_put_volume(params.volume);
David Howells00d3b7a2007-04-26 15:57:07 -0700429 afs_put_cell(params.cell);
430 key_put(params.key);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431 _leave(" = %d", ret);
David Howells454e2392006-06-23 02:02:57 -0700432 return ret;
David Howellsec268152007-04-26 15:49:28 -0700433}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435/*
436 * finish the unmounting process on the superblock
437 */
438static void afs_put_super(struct super_block *sb)
439{
440 struct afs_super_info *as = sb->s_fs_info;
441
442 _enter("");
443
444 afs_put_volume(as->volume);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445
446 _leave("");
David Howellsec268152007-04-26 15:49:28 -0700447}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449/*
450 * initialise an inode cache slab element prior to any use
451 */
Christoph Lametere18b8902006-12-06 20:33:20 -0800452static void afs_i_init_once(void *_vnode, struct kmem_cache *cachep,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453 unsigned long flags)
454{
David Howellsec268152007-04-26 15:49:28 -0700455 struct afs_vnode *vnode = _vnode;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456
Christoph Lameter50953fe2007-05-06 14:50:16 -0700457 if (flags & SLAB_CTOR_CONSTRUCTOR) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458 memset(vnode, 0, sizeof(*vnode));
459 inode_init_once(&vnode->vfs_inode);
460 init_waitqueue_head(&vnode->update_waitq);
David Howells00d3b7a2007-04-26 15:57:07 -0700461 mutex_init(&vnode->permits_lock);
David Howells260a9802007-04-26 15:59:35 -0700462 mutex_init(&vnode->validate_lock);
David Howells31143d52007-05-09 02:33:46 -0700463 spin_lock_init(&vnode->writeback_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464 spin_lock_init(&vnode->lock);
David Howells31143d52007-05-09 02:33:46 -0700465 INIT_LIST_HEAD(&vnode->writebacks);
David Howells08e0e7c2007-04-26 15:55:03 -0700466 INIT_WORK(&vnode->cb_broken_work, afs_broken_callback_work);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467 }
David Howellsec268152007-04-26 15:49:28 -0700468}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469
Linus Torvalds1da177e2005-04-16 15:20:36 -0700470/*
471 * allocate an AFS inode struct from our slab cache
472 */
473static struct inode *afs_alloc_inode(struct super_block *sb)
474{
475 struct afs_vnode *vnode;
476
David Howellsec268152007-04-26 15:49:28 -0700477 vnode = kmem_cache_alloc(afs_inode_cachep, GFP_KERNEL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478 if (!vnode)
479 return NULL;
480
481 atomic_inc(&afs_count_active_inodes);
482
483 memset(&vnode->fid, 0, sizeof(vnode->fid));
484 memset(&vnode->status, 0, sizeof(vnode->status));
485
486 vnode->volume = NULL;
487 vnode->update_cnt = 0;
David Howells260a9802007-04-26 15:59:35 -0700488 vnode->flags = 1 << AFS_VNODE_UNSET;
David Howells08e0e7c2007-04-26 15:55:03 -0700489 vnode->cb_promised = false;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490
491 return &vnode->vfs_inode;
David Howellsec268152007-04-26 15:49:28 -0700492}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494/*
495 * destroy an AFS inode struct
496 */
497static void afs_destroy_inode(struct inode *inode)
498{
David Howells08e0e7c2007-04-26 15:55:03 -0700499 struct afs_vnode *vnode = AFS_FS_I(inode);
500
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 _enter("{%lu}", inode->i_ino);
502
David Howells08e0e7c2007-04-26 15:55:03 -0700503 _debug("DESTROY INODE %p", inode);
504
505 ASSERTCMP(vnode->server, ==, NULL);
506
507 kmem_cache_free(afs_inode_cachep, vnode);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700508 atomic_dec(&afs_count_active_inodes);
David Howellsec268152007-04-26 15:49:28 -0700509}