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13#include <linux/module.h>
14#include "minix.h"
15#include <linux/buffer_head.h>
16#include <linux/slab.h>
17#include <linux/init.h>
18#include <linux/highuid.h>
19#include <linux/vfs.h>
20#include <linux/writeback.h>
21
22static int minix_write_inode(struct inode *inode,
23 struct writeback_control *wbc);
24static int minix_statfs(struct dentry *dentry, struct kstatfs *buf);
25static int minix_remount (struct super_block * sb, int * flags, char * data);
26
27static void minix_evict_inode(struct inode *inode)
28{
29 truncate_inode_pages_final(&inode->i_data);
30 if (!inode->i_nlink) {
31 inode->i_size = 0;
32 minix_truncate(inode);
33 }
34 invalidate_inode_buffers(inode);
35 clear_inode(inode);
36 if (!inode->i_nlink)
37 minix_free_inode(inode);
38}
39
40static void minix_put_super(struct super_block *sb)
41{
42 int i;
43 struct minix_sb_info *sbi = minix_sb(sb);
44
45 if (!(sb->s_flags & MS_RDONLY)) {
46 if (sbi->s_version != MINIX_V3)
47 sbi->s_ms->s_state = sbi->s_mount_state;
48 mark_buffer_dirty(sbi->s_sbh);
49 }
50 for (i = 0; i < sbi->s_imap_blocks; i++)
51 brelse(sbi->s_imap[i]);
52 for (i = 0; i < sbi->s_zmap_blocks; i++)
53 brelse(sbi->s_zmap[i]);
54 brelse (sbi->s_sbh);
55 kfree(sbi->s_imap);
56 sb->s_fs_info = NULL;
57 kfree(sbi);
58}
59
60static struct kmem_cache * minix_inode_cachep;
61
62static struct inode *minix_alloc_inode(struct super_block *sb)
63{
64 struct minix_inode_info *ei;
65 ei = kmem_cache_alloc(minix_inode_cachep, GFP_KERNEL);
66 if (!ei)
67 return NULL;
68 return &ei->vfs_inode;
69}
70
71static void minix_i_callback(struct rcu_head *head)
72{
73 struct inode *inode = container_of(head, struct inode, i_rcu);
74 kmem_cache_free(minix_inode_cachep, minix_i(inode));
75}
76
77static void minix_destroy_inode(struct inode *inode)
78{
79 call_rcu(&inode->i_rcu, minix_i_callback);
80}
81
82static void init_once(void *foo)
83{
84 struct minix_inode_info *ei = (struct minix_inode_info *) foo;
85
86 inode_init_once(&ei->vfs_inode);
87}
88
89static int __init init_inodecache(void)
90{
91 minix_inode_cachep = kmem_cache_create("minix_inode_cache",
92 sizeof(struct minix_inode_info),
93 0, (SLAB_RECLAIM_ACCOUNT|
94 SLAB_MEM_SPREAD|SLAB_ACCOUNT),
95 init_once);
96 if (minix_inode_cachep == NULL)
97 return -ENOMEM;
98 return 0;
99}
100
101static void destroy_inodecache(void)
102{
103
104
105
106
107 rcu_barrier();
108 kmem_cache_destroy(minix_inode_cachep);
109}
110
111static const struct super_operations minix_sops = {
112 .alloc_inode = minix_alloc_inode,
113 .destroy_inode = minix_destroy_inode,
114 .write_inode = minix_write_inode,
115 .evict_inode = minix_evict_inode,
116 .put_super = minix_put_super,
117 .statfs = minix_statfs,
118 .remount_fs = minix_remount,
119};
120
121static int minix_remount (struct super_block * sb, int * flags, char * data)
122{
123 struct minix_sb_info * sbi = minix_sb(sb);
124 struct minix_super_block * ms;
125
126 sync_filesystem(sb);
127 ms = sbi->s_ms;
128 if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
129 return 0;
130 if (*flags & MS_RDONLY) {
131 if (ms->s_state & MINIX_VALID_FS ||
132 !(sbi->s_mount_state & MINIX_VALID_FS))
133 return 0;
134
135 if (sbi->s_version != MINIX_V3)
136 ms->s_state = sbi->s_mount_state;
137 mark_buffer_dirty(sbi->s_sbh);
138 } else {
139
140 if (sbi->s_version != MINIX_V3) {
141 sbi->s_mount_state = ms->s_state;
142 ms->s_state &= ~MINIX_VALID_FS;
143 } else {
144 sbi->s_mount_state = MINIX_VALID_FS;
145 }
146 mark_buffer_dirty(sbi->s_sbh);
147
148 if (!(sbi->s_mount_state & MINIX_VALID_FS))
149 printk("MINIX-fs warning: remounting unchecked fs, "
150 "running fsck is recommended\n");
151 else if ((sbi->s_mount_state & MINIX_ERROR_FS))
152 printk("MINIX-fs warning: remounting fs with errors, "
153 "running fsck is recommended\n");
154 }
155 return 0;
156}
157
158static int minix_fill_super(struct super_block *s, void *data, int silent)
159{
160 struct buffer_head *bh;
161 struct buffer_head **map;
162 struct minix_super_block *ms;
163 struct minix3_super_block *m3s = NULL;
164 unsigned long i, block;
165 struct inode *root_inode;
166 struct minix_sb_info *sbi;
167 int ret = -EINVAL;
168
169 sbi = kzalloc(sizeof(struct minix_sb_info), GFP_KERNEL);
170 if (!sbi)
171 return -ENOMEM;
172 s->s_fs_info = sbi;
173
174 BUILD_BUG_ON(32 != sizeof (struct minix_inode));
175 BUILD_BUG_ON(64 != sizeof(struct minix2_inode));
176
177 if (!sb_set_blocksize(s, BLOCK_SIZE))
178 goto out_bad_hblock;
179
180 if (!(bh = sb_bread(s, 1)))
181 goto out_bad_sb;
182
183 ms = (struct minix_super_block *) bh->b_data;
184 sbi->s_ms = ms;
185 sbi->s_sbh = bh;
186 sbi->s_mount_state = ms->s_state;
187 sbi->s_ninodes = ms->s_ninodes;
188 sbi->s_nzones = ms->s_nzones;
189 sbi->s_imap_blocks = ms->s_imap_blocks;
190 sbi->s_zmap_blocks = ms->s_zmap_blocks;
191 sbi->s_firstdatazone = ms->s_firstdatazone;
192 sbi->s_log_zone_size = ms->s_log_zone_size;
193 sbi->s_max_size = ms->s_max_size;
194 s->s_magic = ms->s_magic;
195 if (s->s_magic == MINIX_SUPER_MAGIC) {
196 sbi->s_version = MINIX_V1;
197 sbi->s_dirsize = 16;
198 sbi->s_namelen = 14;
199 s->s_max_links = MINIX_LINK_MAX;
200 } else if (s->s_magic == MINIX_SUPER_MAGIC2) {
201 sbi->s_version = MINIX_V1;
202 sbi->s_dirsize = 32;
203 sbi->s_namelen = 30;
204 s->s_max_links = MINIX_LINK_MAX;
205 } else if (s->s_magic == MINIX2_SUPER_MAGIC) {
206 sbi->s_version = MINIX_V2;
207 sbi->s_nzones = ms->s_zones;
208 sbi->s_dirsize = 16;
209 sbi->s_namelen = 14;
210 s->s_max_links = MINIX2_LINK_MAX;
211 } else if (s->s_magic == MINIX2_SUPER_MAGIC2) {
212 sbi->s_version = MINIX_V2;
213 sbi->s_nzones = ms->s_zones;
214 sbi->s_dirsize = 32;
215 sbi->s_namelen = 30;
216 s->s_max_links = MINIX2_LINK_MAX;
217 } else if ( *(__u16 *)(bh->b_data + 24) == MINIX3_SUPER_MAGIC) {
218 m3s = (struct minix3_super_block *) bh->b_data;
219 s->s_magic = m3s->s_magic;
220 sbi->s_imap_blocks = m3s->s_imap_blocks;
221 sbi->s_zmap_blocks = m3s->s_zmap_blocks;
222 sbi->s_firstdatazone = m3s->s_firstdatazone;
223 sbi->s_log_zone_size = m3s->s_log_zone_size;
224 sbi->s_max_size = m3s->s_max_size;
225 sbi->s_ninodes = m3s->s_ninodes;
226 sbi->s_nzones = m3s->s_zones;
227 sbi->s_dirsize = 64;
228 sbi->s_namelen = 60;
229 sbi->s_version = MINIX_V3;
230 sbi->s_mount_state = MINIX_VALID_FS;
231 sb_set_blocksize(s, m3s->s_blocksize);
232 s->s_max_links = MINIX2_LINK_MAX;
233 } else
234 goto out_no_fs;
235
236
237
238
239 if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0)
240 goto out_illegal_sb;
241 i = (sbi->s_imap_blocks + sbi->s_zmap_blocks) * sizeof(bh);
242 map = kzalloc(i, GFP_KERNEL);
243 if (!map)
244 goto out_no_map;
245 sbi->s_imap = &map[0];
246 sbi->s_zmap = &map[sbi->s_imap_blocks];
247
248 block=2;
249 for (i=0 ; i < sbi->s_imap_blocks ; i++) {
250 if (!(sbi->s_imap[i]=sb_bread(s, block)))
251 goto out_no_bitmap;
252 block++;
253 }
254 for (i=0 ; i < sbi->s_zmap_blocks ; i++) {
255 if (!(sbi->s_zmap[i]=sb_bread(s, block)))
256 goto out_no_bitmap;
257 block++;
258 }
259
260 minix_set_bit(0,sbi->s_imap[0]->b_data);
261 minix_set_bit(0,sbi->s_zmap[0]->b_data);
262
263
264
265
266
267 block = minix_blocks_needed(sbi->s_ninodes, s->s_blocksize);
268 if (sbi->s_imap_blocks < block) {
269 printk("MINIX-fs: file system does not have enough "
270 "imap blocks allocated. Refusing to mount.\n");
271 goto out_no_bitmap;
272 }
273
274 block = minix_blocks_needed(
275 (sbi->s_nzones - sbi->s_firstdatazone + 1),
276 s->s_blocksize);
277 if (sbi->s_zmap_blocks < block) {
278 printk("MINIX-fs: file system does not have enough "
279 "zmap blocks allocated. Refusing to mount.\n");
280 goto out_no_bitmap;
281 }
282
283
284 s->s_op = &minix_sops;
285 root_inode = minix_iget(s, MINIX_ROOT_INO);
286 if (IS_ERR(root_inode)) {
287 ret = PTR_ERR(root_inode);
288 goto out_no_root;
289 }
290
291 ret = -ENOMEM;
292 s->s_root = d_make_root(root_inode);
293 if (!s->s_root)
294 goto out_no_root;
295
296 if (!(s->s_flags & MS_RDONLY)) {
297 if (sbi->s_version != MINIX_V3)
298 ms->s_state &= ~MINIX_VALID_FS;
299 mark_buffer_dirty(bh);
300 }
301 if (!(sbi->s_mount_state & MINIX_VALID_FS))
302 printk("MINIX-fs: mounting unchecked file system, "
303 "running fsck is recommended\n");
304 else if (sbi->s_mount_state & MINIX_ERROR_FS)
305 printk("MINIX-fs: mounting file system with errors, "
306 "running fsck is recommended\n");
307
308 return 0;
309
310out_no_root:
311 if (!silent)
312 printk("MINIX-fs: get root inode failed\n");
313 goto out_freemap;
314
315out_no_bitmap:
316 printk("MINIX-fs: bad superblock or unable to read bitmaps\n");
317out_freemap:
318 for (i = 0; i < sbi->s_imap_blocks; i++)
319 brelse(sbi->s_imap[i]);
320 for (i = 0; i < sbi->s_zmap_blocks; i++)
321 brelse(sbi->s_zmap[i]);
322 kfree(sbi->s_imap);
323 goto out_release;
324
325out_no_map:
326 ret = -ENOMEM;
327 if (!silent)
328 printk("MINIX-fs: can't allocate map\n");
329 goto out_release;
330
331out_illegal_sb:
332 if (!silent)
333 printk("MINIX-fs: bad superblock\n");
334 goto out_release;
335
336out_no_fs:
337 if (!silent)
338 printk("VFS: Can't find a Minix filesystem V1 | V2 | V3 "
339 "on device %s.\n", s->s_id);
340out_release:
341 brelse(bh);
342 goto out;
343
344out_bad_hblock:
345 printk("MINIX-fs: blocksize too small for device\n");
346 goto out;
347
348out_bad_sb:
349 printk("MINIX-fs: unable to read superblock\n");
350out:
351 s->s_fs_info = NULL;
352 kfree(sbi);
353 return ret;
354}
355
356static int minix_statfs(struct dentry *dentry, struct kstatfs *buf)
357{
358 struct super_block *sb = dentry->d_sb;
359 struct minix_sb_info *sbi = minix_sb(sb);
360 u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
361 buf->f_type = sb->s_magic;
362 buf->f_bsize = sb->s_blocksize;
363 buf->f_blocks = (sbi->s_nzones - sbi->s_firstdatazone) << sbi->s_log_zone_size;
364 buf->f_bfree = minix_count_free_blocks(sb);
365 buf->f_bavail = buf->f_bfree;
366 buf->f_files = sbi->s_ninodes;
367 buf->f_ffree = minix_count_free_inodes(sb);
368 buf->f_namelen = sbi->s_namelen;
369 buf->f_fsid.val[0] = (u32)id;
370 buf->f_fsid.val[1] = (u32)(id >> 32);
371
372 return 0;
373}
374
375static int minix_get_block(struct inode *inode, sector_t block,
376 struct buffer_head *bh_result, int create)
377{
378 if (INODE_VERSION(inode) == MINIX_V1)
379 return V1_minix_get_block(inode, block, bh_result, create);
380 else
381 return V2_minix_get_block(inode, block, bh_result, create);
382}
383
384static int minix_writepage(struct page *page, struct writeback_control *wbc)
385{
386 return block_write_full_page(page, minix_get_block, wbc);
387}
388
389static int minix_readpage(struct file *file, struct page *page)
390{
391 return block_read_full_page(page,minix_get_block);
392}
393
394int minix_prepare_chunk(struct page *page, loff_t pos, unsigned len)
395{
396 return __block_write_begin(page, pos, len, minix_get_block);
397}
398
399static void minix_write_failed(struct address_space *mapping, loff_t to)
400{
401 struct inode *inode = mapping->host;
402
403 if (to > inode->i_size) {
404 truncate_pagecache(inode, inode->i_size);
405 minix_truncate(inode);
406 }
407}
408
409static int minix_write_begin(struct file *file, struct address_space *mapping,
410 loff_t pos, unsigned len, unsigned flags,
411 struct page **pagep, void **fsdata)
412{
413 int ret;
414
415 ret = block_write_begin(mapping, pos, len, flags, pagep,
416 minix_get_block);
417 if (unlikely(ret))
418 minix_write_failed(mapping, pos + len);
419
420 return ret;
421}
422
423static sector_t minix_bmap(struct address_space *mapping, sector_t block)
424{
425 return generic_block_bmap(mapping,block,minix_get_block);
426}
427
428static const struct address_space_operations minix_aops = {
429 .readpage = minix_readpage,
430 .writepage = minix_writepage,
431 .write_begin = minix_write_begin,
432 .write_end = generic_write_end,
433 .bmap = minix_bmap
434};
435
436static const struct inode_operations minix_symlink_inode_operations = {
437 .readlink = generic_readlink,
438 .get_link = page_get_link,
439 .getattr = minix_getattr,
440};
441
442void minix_set_inode(struct inode *inode, dev_t rdev)
443{
444 if (S_ISREG(inode->i_mode)) {
445 inode->i_op = &minix_file_inode_operations;
446 inode->i_fop = &minix_file_operations;
447 inode->i_mapping->a_ops = &minix_aops;
448 } else if (S_ISDIR(inode->i_mode)) {
449 inode->i_op = &minix_dir_inode_operations;
450 inode->i_fop = &minix_dir_operations;
451 inode->i_mapping->a_ops = &minix_aops;
452 } else if (S_ISLNK(inode->i_mode)) {
453 inode->i_op = &minix_symlink_inode_operations;
454 inode_nohighmem(inode);
455 inode->i_mapping->a_ops = &minix_aops;
456 } else
457 init_special_inode(inode, inode->i_mode, rdev);
458}
459
460
461
462
463static struct inode *V1_minix_iget(struct inode *inode)
464{
465 struct buffer_head * bh;
466 struct minix_inode * raw_inode;
467 struct minix_inode_info *minix_inode = minix_i(inode);
468 int i;
469
470 raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);
471 if (!raw_inode) {
472 iget_failed(inode);
473 return ERR_PTR(-EIO);
474 }
475 inode->i_mode = raw_inode->i_mode;
476 i_uid_write(inode, raw_inode->i_uid);
477 i_gid_write(inode, raw_inode->i_gid);
478 set_nlink(inode, raw_inode->i_nlinks);
479 inode->i_size = raw_inode->i_size;
480 inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec = raw_inode->i_time;
481 inode->i_mtime.tv_nsec = 0;
482 inode->i_atime.tv_nsec = 0;
483 inode->i_ctime.tv_nsec = 0;
484 inode->i_blocks = 0;
485 for (i = 0; i < 9; i++)
486 minix_inode->u.i1_data[i] = raw_inode->i_zone[i];
487 minix_set_inode(inode, old_decode_dev(raw_inode->i_zone[0]));
488 brelse(bh);
489 unlock_new_inode(inode);
490 return inode;
491}
492
493
494
495
496static struct inode *V2_minix_iget(struct inode *inode)
497{
498 struct buffer_head * bh;
499 struct minix2_inode * raw_inode;
500 struct minix_inode_info *minix_inode = minix_i(inode);
501 int i;
502
503 raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);
504 if (!raw_inode) {
505 iget_failed(inode);
506 return ERR_PTR(-EIO);
507 }
508 inode->i_mode = raw_inode->i_mode;
509 i_uid_write(inode, raw_inode->i_uid);
510 i_gid_write(inode, raw_inode->i_gid);
511 set_nlink(inode, raw_inode->i_nlinks);
512 inode->i_size = raw_inode->i_size;
513 inode->i_mtime.tv_sec = raw_inode->i_mtime;
514 inode->i_atime.tv_sec = raw_inode->i_atime;
515 inode->i_ctime.tv_sec = raw_inode->i_ctime;
516 inode->i_mtime.tv_nsec = 0;
517 inode->i_atime.tv_nsec = 0;
518 inode->i_ctime.tv_nsec = 0;
519 inode->i_blocks = 0;
520 for (i = 0; i < 10; i++)
521 minix_inode->u.i2_data[i] = raw_inode->i_zone[i];
522 minix_set_inode(inode, old_decode_dev(raw_inode->i_zone[0]));
523 brelse(bh);
524 unlock_new_inode(inode);
525 return inode;
526}
527
528
529
530
531struct inode *minix_iget(struct super_block *sb, unsigned long ino)
532{
533 struct inode *inode;
534
535 inode = iget_locked(sb, ino);
536 if (!inode)
537 return ERR_PTR(-ENOMEM);
538 if (!(inode->i_state & I_NEW))
539 return inode;
540
541 if (INODE_VERSION(inode) == MINIX_V1)
542 return V1_minix_iget(inode);
543 else
544 return V2_minix_iget(inode);
545}
546
547
548
549
550static struct buffer_head * V1_minix_update_inode(struct inode * inode)
551{
552 struct buffer_head * bh;
553 struct minix_inode * raw_inode;
554 struct minix_inode_info *minix_inode = minix_i(inode);
555 int i;
556
557 raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);
558 if (!raw_inode)
559 return NULL;
560 raw_inode->i_mode = inode->i_mode;
561 raw_inode->i_uid = fs_high2lowuid(i_uid_read(inode));
562 raw_inode->i_gid = fs_high2lowgid(i_gid_read(inode));
563 raw_inode->i_nlinks = inode->i_nlink;
564 raw_inode->i_size = inode->i_size;
565 raw_inode->i_time = inode->i_mtime.tv_sec;
566 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
567 raw_inode->i_zone[0] = old_encode_dev(inode->i_rdev);
568 else for (i = 0; i < 9; i++)
569 raw_inode->i_zone[i] = minix_inode->u.i1_data[i];
570 mark_buffer_dirty(bh);
571 return bh;
572}
573
574
575
576
577static struct buffer_head * V2_minix_update_inode(struct inode * inode)
578{
579 struct buffer_head * bh;
580 struct minix2_inode * raw_inode;
581 struct minix_inode_info *minix_inode = minix_i(inode);
582 int i;
583
584 raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);
585 if (!raw_inode)
586 return NULL;
587 raw_inode->i_mode = inode->i_mode;
588 raw_inode->i_uid = fs_high2lowuid(i_uid_read(inode));
589 raw_inode->i_gid = fs_high2lowgid(i_gid_read(inode));
590 raw_inode->i_nlinks = inode->i_nlink;
591 raw_inode->i_size = inode->i_size;
592 raw_inode->i_mtime = inode->i_mtime.tv_sec;
593 raw_inode->i_atime = inode->i_atime.tv_sec;
594 raw_inode->i_ctime = inode->i_ctime.tv_sec;
595 if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
596 raw_inode->i_zone[0] = old_encode_dev(inode->i_rdev);
597 else for (i = 0; i < 10; i++)
598 raw_inode->i_zone[i] = minix_inode->u.i2_data[i];
599 mark_buffer_dirty(bh);
600 return bh;
601}
602
603static int minix_write_inode(struct inode *inode, struct writeback_control *wbc)
604{
605 int err = 0;
606 struct buffer_head *bh;
607
608 if (INODE_VERSION(inode) == MINIX_V1)
609 bh = V1_minix_update_inode(inode);
610 else
611 bh = V2_minix_update_inode(inode);
612 if (!bh)
613 return -EIO;
614 if (wbc->sync_mode == WB_SYNC_ALL && buffer_dirty(bh)) {
615 sync_dirty_buffer(bh);
616 if (buffer_req(bh) && !buffer_uptodate(bh)) {
617 printk("IO error syncing minix inode [%s:%08lx]\n",
618 inode->i_sb->s_id, inode->i_ino);
619 err = -EIO;
620 }
621 }
622 brelse (bh);
623 return err;
624}
625
626int minix_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
627{
628 struct super_block *sb = dentry->d_sb;
629 generic_fillattr(d_inode(dentry), stat);
630 if (INODE_VERSION(d_inode(dentry)) == MINIX_V1)
631 stat->blocks = (BLOCK_SIZE / 512) * V1_minix_blocks(stat->size, sb);
632 else
633 stat->blocks = (sb->s_blocksize / 512) * V2_minix_blocks(stat->size, sb);
634 stat->blksize = sb->s_blocksize;
635 return 0;
636}
637
638
639
640
641void minix_truncate(struct inode * inode)
642{
643 if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode)))
644 return;
645 if (INODE_VERSION(inode) == MINIX_V1)
646 V1_minix_truncate(inode);
647 else
648 V2_minix_truncate(inode);
649}
650
651static struct dentry *minix_mount(struct file_system_type *fs_type,
652 int flags, const char *dev_name, void *data)
653{
654 return mount_bdev(fs_type, flags, dev_name, data, minix_fill_super);
655}
656
657static struct file_system_type minix_fs_type = {
658 .owner = THIS_MODULE,
659 .name = "minix",
660 .mount = minix_mount,
661 .kill_sb = kill_block_super,
662 .fs_flags = FS_REQUIRES_DEV,
663};
664MODULE_ALIAS_FS("minix");
665
666static int __init init_minix_fs(void)
667{
668 int err = init_inodecache();
669 if (err)
670 goto out1;
671 err = register_filesystem(&minix_fs_type);
672 if (err)
673 goto out;
674 return 0;
675out:
676 destroy_inodecache();
677out1:
678 return err;
679}
680
681static void __exit exit_minix_fs(void)
682{
683 unregister_filesystem(&minix_fs_type);
684 destroy_inodecache();
685}
686
687module_init(init_minix_fs)
688module_exit(exit_minix_fs)
689MODULE_LICENSE("GPL");
690
691
