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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/fs/ufs/balloc.c | |
3 | * | |
4 | * Copyright (C) 1998 | |
5 | * Daniel Pirkl <daniel.pirkl@email.cz> | |
6 | * Charles University, Faculty of Mathematics and Physics | |
7 | */ | |
8 | ||
9 | #include <linux/fs.h> | |
10 | #include <linux/ufs_fs.h> | |
11 | #include <linux/stat.h> | |
12 | #include <linux/time.h> | |
13 | #include <linux/string.h> | |
14 | #include <linux/quotaops.h> | |
15 | #include <linux/buffer_head.h> | |
16f7e0fe | 16 | #include <linux/capability.h> |
1da177e4 LT |
17 | #include <linux/sched.h> |
18 | #include <linux/bitops.h> | |
19 | #include <asm/byteorder.h> | |
20 | ||
21 | #include "swab.h" | |
22 | #include "util.h" | |
23 | ||
24 | #undef UFS_BALLOC_DEBUG | |
25 | ||
26 | #ifdef UFS_BALLOC_DEBUG | |
27 | #define UFSD(x) printk("(%s, %d), %s:", __FILE__, __LINE__, __FUNCTION__); printk x; | |
28 | #else | |
29 | #define UFSD(x) | |
30 | #endif | |
31 | ||
32 | static unsigned ufs_add_fragments (struct inode *, unsigned, unsigned, unsigned, int *); | |
33 | static unsigned ufs_alloc_fragments (struct inode *, unsigned, unsigned, unsigned, int *); | |
34 | static unsigned ufs_alloccg_block (struct inode *, struct ufs_cg_private_info *, unsigned, int *); | |
35 | static unsigned ufs_bitmap_search (struct super_block *, struct ufs_cg_private_info *, unsigned, unsigned); | |
36 | static unsigned char ufs_fragtable_8fpb[], ufs_fragtable_other[]; | |
37 | static void ufs_clusteracct(struct super_block *, struct ufs_cg_private_info *, unsigned, int); | |
38 | ||
39 | /* | |
40 | * Free 'count' fragments from fragment number 'fragment' | |
41 | */ | |
6ef4d6bf ED |
42 | void ufs_free_fragments(struct inode *inode, unsigned fragment, unsigned count) |
43 | { | |
1da177e4 LT |
44 | struct super_block * sb; |
45 | struct ufs_sb_private_info * uspi; | |
46 | struct ufs_super_block_first * usb1; | |
47 | struct ufs_cg_private_info * ucpi; | |
48 | struct ufs_cylinder_group * ucg; | |
49 | unsigned cgno, bit, end_bit, bbase, blkmap, i, blkno, cylno; | |
50 | ||
51 | sb = inode->i_sb; | |
52 | uspi = UFS_SB(sb)->s_uspi; | |
7b4ee73e | 53 | usb1 = ubh_get_usb_first(uspi); |
1da177e4 LT |
54 | |
55 | UFSD(("ENTER, fragment %u, count %u\n", fragment, count)) | |
56 | ||
57 | if (ufs_fragnum(fragment) + count > uspi->s_fpg) | |
58 | ufs_error (sb, "ufs_free_fragments", "internal error"); | |
59 | ||
60 | lock_super(sb); | |
61 | ||
62 | cgno = ufs_dtog(fragment); | |
63 | bit = ufs_dtogd(fragment); | |
64 | if (cgno >= uspi->s_ncg) { | |
65 | ufs_panic (sb, "ufs_free_fragments", "freeing blocks are outside device"); | |
66 | goto failed; | |
67 | } | |
68 | ||
69 | ucpi = ufs_load_cylinder (sb, cgno); | |
70 | if (!ucpi) | |
71 | goto failed; | |
9695ef16 | 72 | ucg = ubh_get_ucg (UCPI_UBH(ucpi)); |
1da177e4 LT |
73 | if (!ufs_cg_chkmagic(sb, ucg)) { |
74 | ufs_panic (sb, "ufs_free_fragments", "internal error, bad magic number on cg %u", cgno); | |
75 | goto failed; | |
76 | } | |
77 | ||
78 | end_bit = bit + count; | |
79 | bbase = ufs_blknum (bit); | |
9695ef16 | 80 | blkmap = ubh_blkmap (UCPI_UBH(ucpi), ucpi->c_freeoff, bbase); |
1da177e4 LT |
81 | ufs_fragacct (sb, blkmap, ucg->cg_frsum, -1); |
82 | for (i = bit; i < end_bit; i++) { | |
9695ef16 ED |
83 | if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, i)) |
84 | ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, i); | |
7b4ee73e E |
85 | else |
86 | ufs_error (sb, "ufs_free_fragments", | |
87 | "bit already cleared for fragment %u", i); | |
1da177e4 LT |
88 | } |
89 | ||
90 | DQUOT_FREE_BLOCK (inode, count); | |
91 | ||
92 | ||
93 | fs32_add(sb, &ucg->cg_cs.cs_nffree, count); | |
94 | fs32_add(sb, &usb1->fs_cstotal.cs_nffree, count); | |
95 | fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count); | |
9695ef16 | 96 | blkmap = ubh_blkmap (UCPI_UBH(ucpi), ucpi->c_freeoff, bbase); |
1da177e4 LT |
97 | ufs_fragacct(sb, blkmap, ucg->cg_frsum, 1); |
98 | ||
99 | /* | |
100 | * Trying to reassemble free fragments into block | |
101 | */ | |
102 | blkno = ufs_fragstoblks (bbase); | |
9695ef16 | 103 | if (ubh_isblockset(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno)) { |
1da177e4 LT |
104 | fs32_sub(sb, &ucg->cg_cs.cs_nffree, uspi->s_fpb); |
105 | fs32_sub(sb, &usb1->fs_cstotal.cs_nffree, uspi->s_fpb); | |
106 | fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, uspi->s_fpb); | |
107 | if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) | |
108 | ufs_clusteracct (sb, ucpi, blkno, 1); | |
109 | fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1); | |
110 | fs32_add(sb, &usb1->fs_cstotal.cs_nbfree, 1); | |
111 | fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1); | |
112 | cylno = ufs_cbtocylno (bbase); | |
113 | fs16_add(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(bbase)), 1); | |
114 | fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1); | |
115 | } | |
116 | ||
9695ef16 ED |
117 | ubh_mark_buffer_dirty (USPI_UBH(uspi)); |
118 | ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); | |
1da177e4 | 119 | if (sb->s_flags & MS_SYNCHRONOUS) { |
096125f3 | 120 | ubh_ll_rw_block (SWRITE, 1, (struct ufs_buffer_head **)&ucpi); |
9695ef16 | 121 | ubh_wait_on_buffer (UCPI_UBH(ucpi)); |
1da177e4 LT |
122 | } |
123 | sb->s_dirt = 1; | |
124 | ||
125 | unlock_super (sb); | |
126 | UFSD(("EXIT\n")) | |
127 | return; | |
128 | ||
129 | failed: | |
130 | unlock_super (sb); | |
131 | UFSD(("EXIT (FAILED)\n")) | |
132 | return; | |
133 | } | |
134 | ||
135 | /* | |
136 | * Free 'count' fragments from fragment number 'fragment' (free whole blocks) | |
137 | */ | |
6ef4d6bf ED |
138 | void ufs_free_blocks(struct inode *inode, unsigned fragment, unsigned count) |
139 | { | |
1da177e4 LT |
140 | struct super_block * sb; |
141 | struct ufs_sb_private_info * uspi; | |
142 | struct ufs_super_block_first * usb1; | |
143 | struct ufs_cg_private_info * ucpi; | |
144 | struct ufs_cylinder_group * ucg; | |
145 | unsigned overflow, cgno, bit, end_bit, blkno, i, cylno; | |
146 | ||
147 | sb = inode->i_sb; | |
148 | uspi = UFS_SB(sb)->s_uspi; | |
7b4ee73e | 149 | usb1 = ubh_get_usb_first(uspi); |
1da177e4 LT |
150 | |
151 | UFSD(("ENTER, fragment %u, count %u\n", fragment, count)) | |
152 | ||
153 | if ((fragment & uspi->s_fpbmask) || (count & uspi->s_fpbmask)) { | |
154 | ufs_error (sb, "ufs_free_blocks", "internal error, " | |
155 | "fragment %u, count %u\n", fragment, count); | |
156 | goto failed; | |
157 | } | |
158 | ||
159 | lock_super(sb); | |
160 | ||
161 | do_more: | |
162 | overflow = 0; | |
163 | cgno = ufs_dtog (fragment); | |
164 | bit = ufs_dtogd (fragment); | |
165 | if (cgno >= uspi->s_ncg) { | |
166 | ufs_panic (sb, "ufs_free_blocks", "freeing blocks are outside device"); | |
167 | goto failed; | |
168 | } | |
169 | end_bit = bit + count; | |
170 | if (end_bit > uspi->s_fpg) { | |
171 | overflow = bit + count - uspi->s_fpg; | |
172 | count -= overflow; | |
173 | end_bit -= overflow; | |
174 | } | |
175 | ||
176 | ucpi = ufs_load_cylinder (sb, cgno); | |
177 | if (!ucpi) | |
178 | goto failed; | |
9695ef16 | 179 | ucg = ubh_get_ucg (UCPI_UBH(ucpi)); |
1da177e4 LT |
180 | if (!ufs_cg_chkmagic(sb, ucg)) { |
181 | ufs_panic (sb, "ufs_free_blocks", "internal error, bad magic number on cg %u", cgno); | |
182 | goto failed; | |
183 | } | |
184 | ||
185 | for (i = bit; i < end_bit; i += uspi->s_fpb) { | |
186 | blkno = ufs_fragstoblks(i); | |
9695ef16 | 187 | if (ubh_isblockset(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno)) { |
1da177e4 LT |
188 | ufs_error(sb, "ufs_free_blocks", "freeing free fragment"); |
189 | } | |
9695ef16 | 190 | ubh_setblock(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno); |
1da177e4 LT |
191 | if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) |
192 | ufs_clusteracct (sb, ucpi, blkno, 1); | |
193 | DQUOT_FREE_BLOCK(inode, uspi->s_fpb); | |
194 | ||
195 | fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1); | |
196 | fs32_add(sb, &usb1->fs_cstotal.cs_nbfree, 1); | |
197 | fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nbfree, 1); | |
198 | cylno = ufs_cbtocylno(i); | |
199 | fs16_add(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(i)), 1); | |
200 | fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), 1); | |
201 | } | |
202 | ||
9695ef16 ED |
203 | ubh_mark_buffer_dirty (USPI_UBH(uspi)); |
204 | ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); | |
1da177e4 | 205 | if (sb->s_flags & MS_SYNCHRONOUS) { |
096125f3 | 206 | ubh_ll_rw_block (SWRITE, 1, (struct ufs_buffer_head **)&ucpi); |
9695ef16 | 207 | ubh_wait_on_buffer (UCPI_UBH(ucpi)); |
1da177e4 LT |
208 | } |
209 | ||
210 | if (overflow) { | |
211 | fragment += count; | |
212 | count = overflow; | |
213 | goto do_more; | |
214 | } | |
215 | ||
216 | sb->s_dirt = 1; | |
217 | unlock_super (sb); | |
218 | UFSD(("EXIT\n")) | |
219 | return; | |
220 | ||
221 | failed: | |
222 | unlock_super (sb); | |
223 | UFSD(("EXIT (FAILED)\n")) | |
224 | return; | |
225 | } | |
226 | ||
6ef4d6bf ED |
227 | static struct page *ufs_get_locked_page(struct address_space *mapping, |
228 | unsigned long index) | |
229 | { | |
230 | struct page *page; | |
231 | ||
232 | try_again: | |
233 | page = find_lock_page(mapping, index); | |
234 | if (!page) { | |
235 | page = read_cache_page(mapping, index, | |
236 | (filler_t*)mapping->a_ops->readpage, | |
237 | NULL); | |
238 | if (IS_ERR(page)) { | |
239 | printk(KERN_ERR "ufs_change_blocknr: " | |
240 | "read_cache_page error: ino %lu, index: %lu\n", | |
241 | mapping->host->i_ino, index); | |
242 | goto out; | |
243 | } | |
244 | ||
245 | lock_page(page); | |
246 | ||
247 | if (!PageUptodate(page) || PageError(page)) { | |
248 | unlock_page(page); | |
249 | page_cache_release(page); | |
250 | ||
251 | printk(KERN_ERR "ufs_change_blocknr: " | |
252 | "can not read page: ino %lu, index: %lu\n", | |
253 | mapping->host->i_ino, index); | |
254 | ||
255 | page = ERR_PTR(-EIO); | |
256 | goto out; | |
257 | } | |
258 | } | |
259 | ||
260 | if (unlikely(!page->mapping || !page_has_buffers(page))) { | |
261 | unlock_page(page); | |
262 | page_cache_release(page); | |
263 | goto try_again;/*we really need these buffers*/ | |
264 | } | |
265 | out: | |
266 | return page; | |
267 | } | |
1da177e4 | 268 | |
6ef4d6bf ED |
269 | /* |
270 | * Modify inode page cache in such way: | |
271 | * have - blocks with b_blocknr equal to oldb...oldb+count-1 | |
272 | * get - blocks with b_blocknr equal to newb...newb+count-1 | |
273 | * also we suppose that oldb...oldb+count-1 blocks | |
274 | * situated at the end of file. | |
275 | * | |
276 | * We can come here from ufs_writepage or ufs_prepare_write, | |
277 | * locked_page is argument of these functions, so we already lock it. | |
278 | */ | |
279 | static void ufs_change_blocknr(struct inode *inode, unsigned int count, | |
280 | unsigned int oldb, unsigned int newb, | |
281 | struct page *locked_page) | |
282 | { | |
283 | unsigned int blk_per_page = 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits); | |
284 | sector_t baseblk; | |
285 | struct address_space *mapping = inode->i_mapping; | |
286 | pgoff_t index, cur_index = locked_page->index; | |
287 | unsigned int i, j; | |
288 | struct page *page; | |
289 | struct buffer_head *head, *bh; | |
290 | ||
291 | baseblk = ((i_size_read(inode) - 1) >> inode->i_blkbits) + 1 - count; | |
292 | ||
293 | UFSD(("ENTER, ino %lu, count %u, oldb %u, newb %u\n", | |
294 | inode->i_ino, count, oldb, newb)); | |
295 | ||
296 | BUG_ON(!PageLocked(locked_page)); | |
297 | ||
298 | for (i = 0; i < count; i += blk_per_page) { | |
299 | index = (baseblk+i) >> (PAGE_CACHE_SHIFT - inode->i_blkbits); | |
300 | ||
301 | if (likely(cur_index != index)) { | |
302 | page = ufs_get_locked_page(mapping, index); | |
303 | if (IS_ERR(page)) | |
304 | continue; | |
305 | } else | |
306 | page = locked_page; | |
307 | ||
308 | j = i; | |
309 | head = page_buffers(page); | |
310 | bh = head; | |
311 | do { | |
312 | if (likely(bh->b_blocknr == j + oldb && j < count)) { | |
313 | unmap_underlying_metadata(bh->b_bdev, | |
314 | bh->b_blocknr); | |
315 | bh->b_blocknr = newb + j++; | |
316 | mark_buffer_dirty(bh); | |
317 | } | |
318 | ||
319 | bh = bh->b_this_page; | |
320 | } while (bh != head); | |
321 | ||
322 | set_page_dirty(page); | |
323 | ||
324 | if (likely(cur_index != index)) { | |
325 | unlock_page(page); | |
326 | page_cache_release(page); | |
327 | } | |
328 | } | |
329 | UFSD(("EXIT\n")); | |
330 | } | |
331 | ||
332 | unsigned ufs_new_fragments(struct inode * inode, __fs32 * p, unsigned fragment, | |
333 | unsigned goal, unsigned count, int * err, struct page *locked_page) | |
1da177e4 LT |
334 | { |
335 | struct super_block * sb; | |
336 | struct ufs_sb_private_info * uspi; | |
337 | struct ufs_super_block_first * usb1; | |
6ef4d6bf | 338 | unsigned cgno, oldcount, newcount, tmp, request, result; |
1da177e4 LT |
339 | |
340 | UFSD(("ENTER, ino %lu, fragment %u, goal %u, count %u\n", inode->i_ino, fragment, goal, count)) | |
341 | ||
342 | sb = inode->i_sb; | |
343 | uspi = UFS_SB(sb)->s_uspi; | |
7b4ee73e | 344 | usb1 = ubh_get_usb_first(uspi); |
1da177e4 LT |
345 | *err = -ENOSPC; |
346 | ||
347 | lock_super (sb); | |
348 | ||
349 | tmp = fs32_to_cpu(sb, *p); | |
350 | if (count + ufs_fragnum(fragment) > uspi->s_fpb) { | |
351 | ufs_warning (sb, "ufs_new_fragments", "internal warning" | |
352 | " fragment %u, count %u", fragment, count); | |
353 | count = uspi->s_fpb - ufs_fragnum(fragment); | |
354 | } | |
355 | oldcount = ufs_fragnum (fragment); | |
356 | newcount = oldcount + count; | |
357 | ||
358 | /* | |
359 | * Somebody else has just allocated our fragments | |
360 | */ | |
361 | if (oldcount) { | |
362 | if (!tmp) { | |
363 | ufs_error (sb, "ufs_new_fragments", "internal error, " | |
364 | "fragment %u, tmp %u\n", fragment, tmp); | |
365 | unlock_super (sb); | |
366 | return (unsigned)-1; | |
367 | } | |
368 | if (fragment < UFS_I(inode)->i_lastfrag) { | |
369 | UFSD(("EXIT (ALREADY ALLOCATED)\n")) | |
370 | unlock_super (sb); | |
371 | return 0; | |
372 | } | |
373 | } | |
374 | else { | |
375 | if (tmp) { | |
376 | UFSD(("EXIT (ALREADY ALLOCATED)\n")) | |
377 | unlock_super(sb); | |
378 | return 0; | |
379 | } | |
380 | } | |
381 | ||
382 | /* | |
383 | * There is not enough space for user on the device | |
384 | */ | |
385 | if (!capable(CAP_SYS_RESOURCE) && ufs_freespace(usb1, UFS_MINFREE) <= 0) { | |
386 | unlock_super (sb); | |
387 | UFSD(("EXIT (FAILED)\n")) | |
388 | return 0; | |
389 | } | |
390 | ||
391 | if (goal >= uspi->s_size) | |
392 | goal = 0; | |
393 | if (goal == 0) | |
394 | cgno = ufs_inotocg (inode->i_ino); | |
395 | else | |
396 | cgno = ufs_dtog (goal); | |
397 | ||
398 | /* | |
399 | * allocate new fragment | |
400 | */ | |
401 | if (oldcount == 0) { | |
402 | result = ufs_alloc_fragments (inode, cgno, goal, count, err); | |
403 | if (result) { | |
404 | *p = cpu_to_fs32(sb, result); | |
405 | *err = 0; | |
406 | inode->i_blocks += count << uspi->s_nspfshift; | |
407 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); | |
1da177e4 LT |
408 | } |
409 | unlock_super(sb); | |
410 | UFSD(("EXIT, result %u\n", result)) | |
411 | return result; | |
412 | } | |
413 | ||
414 | /* | |
415 | * resize block | |
416 | */ | |
417 | result = ufs_add_fragments (inode, tmp, oldcount, newcount, err); | |
418 | if (result) { | |
419 | *err = 0; | |
420 | inode->i_blocks += count << uspi->s_nspfshift; | |
421 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); | |
1da177e4 LT |
422 | unlock_super(sb); |
423 | UFSD(("EXIT, result %u\n", result)) | |
424 | return result; | |
425 | } | |
426 | ||
427 | /* | |
428 | * allocate new block and move data | |
429 | */ | |
430 | switch (fs32_to_cpu(sb, usb1->fs_optim)) { | |
431 | case UFS_OPTSPACE: | |
432 | request = newcount; | |
433 | if (uspi->s_minfree < 5 || fs32_to_cpu(sb, usb1->fs_cstotal.cs_nffree) | |
434 | > uspi->s_dsize * uspi->s_minfree / (2 * 100) ) | |
435 | break; | |
436 | usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); | |
437 | break; | |
438 | default: | |
439 | usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); | |
440 | ||
441 | case UFS_OPTTIME: | |
442 | request = uspi->s_fpb; | |
443 | if (fs32_to_cpu(sb, usb1->fs_cstotal.cs_nffree) < uspi->s_dsize * | |
444 | (uspi->s_minfree - 2) / 100) | |
445 | break; | |
446 | usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); | |
447 | break; | |
448 | } | |
449 | result = ufs_alloc_fragments (inode, cgno, goal, request, err); | |
450 | if (result) { | |
6ef4d6bf ED |
451 | ufs_change_blocknr(inode, oldcount, tmp, result, locked_page); |
452 | ||
1da177e4 LT |
453 | *p = cpu_to_fs32(sb, result); |
454 | *err = 0; | |
455 | inode->i_blocks += count << uspi->s_nspfshift; | |
456 | UFS_I(inode)->i_lastfrag = max_t(u32, UFS_I(inode)->i_lastfrag, fragment + count); | |
1da177e4 LT |
457 | unlock_super(sb); |
458 | if (newcount < request) | |
459 | ufs_free_fragments (inode, result + newcount, request - newcount); | |
460 | ufs_free_fragments (inode, tmp, oldcount); | |
461 | UFSD(("EXIT, result %u\n", result)) | |
462 | return result; | |
463 | } | |
464 | ||
465 | unlock_super(sb); | |
466 | UFSD(("EXIT (FAILED)\n")) | |
467 | return 0; | |
468 | } | |
469 | ||
470 | static unsigned | |
471 | ufs_add_fragments (struct inode * inode, unsigned fragment, | |
472 | unsigned oldcount, unsigned newcount, int * err) | |
473 | { | |
474 | struct super_block * sb; | |
475 | struct ufs_sb_private_info * uspi; | |
476 | struct ufs_super_block_first * usb1; | |
477 | struct ufs_cg_private_info * ucpi; | |
478 | struct ufs_cylinder_group * ucg; | |
479 | unsigned cgno, fragno, fragoff, count, fragsize, i; | |
480 | ||
481 | UFSD(("ENTER, fragment %u, oldcount %u, newcount %u\n", fragment, oldcount, newcount)) | |
482 | ||
483 | sb = inode->i_sb; | |
484 | uspi = UFS_SB(sb)->s_uspi; | |
7b4ee73e | 485 | usb1 = ubh_get_usb_first (uspi); |
1da177e4 LT |
486 | count = newcount - oldcount; |
487 | ||
488 | cgno = ufs_dtog(fragment); | |
489 | if (fs32_to_cpu(sb, UFS_SB(sb)->fs_cs(cgno).cs_nffree) < count) | |
490 | return 0; | |
491 | if ((ufs_fragnum (fragment) + newcount) > uspi->s_fpb) | |
492 | return 0; | |
493 | ucpi = ufs_load_cylinder (sb, cgno); | |
494 | if (!ucpi) | |
495 | return 0; | |
9695ef16 | 496 | ucg = ubh_get_ucg (UCPI_UBH(ucpi)); |
1da177e4 LT |
497 | if (!ufs_cg_chkmagic(sb, ucg)) { |
498 | ufs_panic (sb, "ufs_add_fragments", | |
499 | "internal error, bad magic number on cg %u", cgno); | |
500 | return 0; | |
501 | } | |
502 | ||
503 | fragno = ufs_dtogd (fragment); | |
504 | fragoff = ufs_fragnum (fragno); | |
505 | for (i = oldcount; i < newcount; i++) | |
9695ef16 | 506 | if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i)) |
1da177e4 LT |
507 | return 0; |
508 | /* | |
509 | * Block can be extended | |
510 | */ | |
511 | ucg->cg_time = cpu_to_fs32(sb, get_seconds()); | |
512 | for (i = newcount; i < (uspi->s_fpb - fragoff); i++) | |
9695ef16 | 513 | if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i)) |
1da177e4 LT |
514 | break; |
515 | fragsize = i - oldcount; | |
516 | if (!fs32_to_cpu(sb, ucg->cg_frsum[fragsize])) | |
517 | ufs_panic (sb, "ufs_add_fragments", | |
518 | "internal error or corrupted bitmap on cg %u", cgno); | |
519 | fs32_sub(sb, &ucg->cg_frsum[fragsize], 1); | |
520 | if (fragsize != count) | |
521 | fs32_add(sb, &ucg->cg_frsum[fragsize - count], 1); | |
522 | for (i = oldcount; i < newcount; i++) | |
9695ef16 | 523 | ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i); |
1da177e4 LT |
524 | if(DQUOT_ALLOC_BLOCK(inode, count)) { |
525 | *err = -EDQUOT; | |
526 | return 0; | |
527 | } | |
528 | ||
529 | fs32_sub(sb, &ucg->cg_cs.cs_nffree, count); | |
530 | fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count); | |
531 | fs32_sub(sb, &usb1->fs_cstotal.cs_nffree, count); | |
532 | ||
9695ef16 ED |
533 | ubh_mark_buffer_dirty (USPI_UBH(uspi)); |
534 | ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); | |
1da177e4 | 535 | if (sb->s_flags & MS_SYNCHRONOUS) { |
096125f3 | 536 | ubh_ll_rw_block (SWRITE, 1, (struct ufs_buffer_head **)&ucpi); |
9695ef16 | 537 | ubh_wait_on_buffer (UCPI_UBH(ucpi)); |
1da177e4 LT |
538 | } |
539 | sb->s_dirt = 1; | |
540 | ||
541 | UFSD(("EXIT, fragment %u\n", fragment)) | |
542 | ||
543 | return fragment; | |
544 | } | |
545 | ||
546 | #define UFS_TEST_FREE_SPACE_CG \ | |
547 | ucg = (struct ufs_cylinder_group *) UFS_SB(sb)->s_ucg[cgno]->b_data; \ | |
548 | if (fs32_to_cpu(sb, ucg->cg_cs.cs_nbfree)) \ | |
549 | goto cg_found; \ | |
550 | for (k = count; k < uspi->s_fpb; k++) \ | |
551 | if (fs32_to_cpu(sb, ucg->cg_frsum[k])) \ | |
552 | goto cg_found; | |
553 | ||
554 | static unsigned ufs_alloc_fragments (struct inode * inode, unsigned cgno, | |
555 | unsigned goal, unsigned count, int * err) | |
556 | { | |
557 | struct super_block * sb; | |
558 | struct ufs_sb_private_info * uspi; | |
559 | struct ufs_super_block_first * usb1; | |
560 | struct ufs_cg_private_info * ucpi; | |
561 | struct ufs_cylinder_group * ucg; | |
562 | unsigned oldcg, i, j, k, result, allocsize; | |
563 | ||
564 | UFSD(("ENTER, ino %lu, cgno %u, goal %u, count %u\n", inode->i_ino, cgno, goal, count)) | |
565 | ||
566 | sb = inode->i_sb; | |
567 | uspi = UFS_SB(sb)->s_uspi; | |
7b4ee73e | 568 | usb1 = ubh_get_usb_first(uspi); |
1da177e4 LT |
569 | oldcg = cgno; |
570 | ||
571 | /* | |
572 | * 1. searching on preferred cylinder group | |
573 | */ | |
574 | UFS_TEST_FREE_SPACE_CG | |
575 | ||
576 | /* | |
577 | * 2. quadratic rehash | |
578 | */ | |
579 | for (j = 1; j < uspi->s_ncg; j *= 2) { | |
580 | cgno += j; | |
581 | if (cgno >= uspi->s_ncg) | |
582 | cgno -= uspi->s_ncg; | |
583 | UFS_TEST_FREE_SPACE_CG | |
584 | } | |
585 | ||
586 | /* | |
587 | * 3. brute force search | |
588 | * We start at i = 2 ( 0 is checked at 1.step, 1 at 2.step ) | |
589 | */ | |
590 | cgno = (oldcg + 1) % uspi->s_ncg; | |
591 | for (j = 2; j < uspi->s_ncg; j++) { | |
592 | cgno++; | |
593 | if (cgno >= uspi->s_ncg) | |
594 | cgno = 0; | |
595 | UFS_TEST_FREE_SPACE_CG | |
596 | } | |
597 | ||
598 | UFSD(("EXIT (FAILED)\n")) | |
599 | return 0; | |
600 | ||
601 | cg_found: | |
602 | ucpi = ufs_load_cylinder (sb, cgno); | |
603 | if (!ucpi) | |
604 | return 0; | |
9695ef16 | 605 | ucg = ubh_get_ucg (UCPI_UBH(ucpi)); |
1da177e4 LT |
606 | if (!ufs_cg_chkmagic(sb, ucg)) |
607 | ufs_panic (sb, "ufs_alloc_fragments", | |
608 | "internal error, bad magic number on cg %u", cgno); | |
609 | ucg->cg_time = cpu_to_fs32(sb, get_seconds()); | |
610 | ||
611 | if (count == uspi->s_fpb) { | |
612 | result = ufs_alloccg_block (inode, ucpi, goal, err); | |
613 | if (result == (unsigned)-1) | |
614 | return 0; | |
615 | goto succed; | |
616 | } | |
617 | ||
618 | for (allocsize = count; allocsize < uspi->s_fpb; allocsize++) | |
619 | if (fs32_to_cpu(sb, ucg->cg_frsum[allocsize]) != 0) | |
620 | break; | |
621 | ||
622 | if (allocsize == uspi->s_fpb) { | |
623 | result = ufs_alloccg_block (inode, ucpi, goal, err); | |
624 | if (result == (unsigned)-1) | |
625 | return 0; | |
626 | goal = ufs_dtogd (result); | |
627 | for (i = count; i < uspi->s_fpb; i++) | |
9695ef16 | 628 | ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i); |
1da177e4 LT |
629 | i = uspi->s_fpb - count; |
630 | DQUOT_FREE_BLOCK(inode, i); | |
631 | ||
632 | fs32_add(sb, &ucg->cg_cs.cs_nffree, i); | |
633 | fs32_add(sb, &usb1->fs_cstotal.cs_nffree, i); | |
634 | fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, i); | |
635 | fs32_add(sb, &ucg->cg_frsum[i], 1); | |
636 | goto succed; | |
637 | } | |
638 | ||
639 | result = ufs_bitmap_search (sb, ucpi, goal, allocsize); | |
640 | if (result == (unsigned)-1) | |
641 | return 0; | |
642 | if(DQUOT_ALLOC_BLOCK(inode, count)) { | |
643 | *err = -EDQUOT; | |
644 | return 0; | |
645 | } | |
646 | for (i = 0; i < count; i++) | |
9695ef16 | 647 | ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, result + i); |
1da177e4 LT |
648 | |
649 | fs32_sub(sb, &ucg->cg_cs.cs_nffree, count); | |
650 | fs32_sub(sb, &usb1->fs_cstotal.cs_nffree, count); | |
651 | fs32_sub(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count); | |
652 | fs32_sub(sb, &ucg->cg_frsum[allocsize], 1); | |
653 | ||
654 | if (count != allocsize) | |
655 | fs32_add(sb, &ucg->cg_frsum[allocsize - count], 1); | |
656 | ||
657 | succed: | |
9695ef16 ED |
658 | ubh_mark_buffer_dirty (USPI_UBH(uspi)); |
659 | ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); | |
1da177e4 | 660 | if (sb->s_flags & MS_SYNCHRONOUS) { |
096125f3 | 661 | ubh_ll_rw_block (SWRITE, 1, (struct ufs_buffer_head **)&ucpi); |
9695ef16 | 662 | ubh_wait_on_buffer (UCPI_UBH(ucpi)); |
1da177e4 LT |
663 | } |
664 | sb->s_dirt = 1; | |
665 | ||
666 | result += cgno * uspi->s_fpg; | |
667 | UFSD(("EXIT3, result %u\n", result)) | |
668 | return result; | |
669 | } | |
670 | ||
671 | static unsigned ufs_alloccg_block (struct inode * inode, | |
672 | struct ufs_cg_private_info * ucpi, unsigned goal, int * err) | |
673 | { | |
674 | struct super_block * sb; | |
675 | struct ufs_sb_private_info * uspi; | |
676 | struct ufs_super_block_first * usb1; | |
677 | struct ufs_cylinder_group * ucg; | |
678 | unsigned result, cylno, blkno; | |
679 | ||
680 | UFSD(("ENTER, goal %u\n", goal)) | |
681 | ||
682 | sb = inode->i_sb; | |
683 | uspi = UFS_SB(sb)->s_uspi; | |
7b4ee73e | 684 | usb1 = ubh_get_usb_first(uspi); |
9695ef16 | 685 | ucg = ubh_get_ucg(UCPI_UBH(ucpi)); |
1da177e4 LT |
686 | |
687 | if (goal == 0) { | |
688 | goal = ucpi->c_rotor; | |
689 | goto norot; | |
690 | } | |
691 | goal = ufs_blknum (goal); | |
692 | goal = ufs_dtogd (goal); | |
693 | ||
694 | /* | |
695 | * If the requested block is available, use it. | |
696 | */ | |
9695ef16 | 697 | if (ubh_isblockset(UCPI_UBH(ucpi), ucpi->c_freeoff, ufs_fragstoblks(goal))) { |
1da177e4 LT |
698 | result = goal; |
699 | goto gotit; | |
700 | } | |
701 | ||
702 | norot: | |
703 | result = ufs_bitmap_search (sb, ucpi, goal, uspi->s_fpb); | |
704 | if (result == (unsigned)-1) | |
705 | return (unsigned)-1; | |
706 | ucpi->c_rotor = result; | |
707 | gotit: | |
708 | blkno = ufs_fragstoblks(result); | |
9695ef16 | 709 | ubh_clrblock (UCPI_UBH(ucpi), ucpi->c_freeoff, blkno); |
1da177e4 LT |
710 | if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) |
711 | ufs_clusteracct (sb, ucpi, blkno, -1); | |
712 | if(DQUOT_ALLOC_BLOCK(inode, uspi->s_fpb)) { | |
713 | *err = -EDQUOT; | |
714 | return (unsigned)-1; | |
715 | } | |
716 | ||
717 | fs32_sub(sb, &ucg->cg_cs.cs_nbfree, 1); | |
718 | fs32_sub(sb, &usb1->fs_cstotal.cs_nbfree, 1); | |
719 | fs32_sub(sb, &UFS_SB(sb)->fs_cs(ucpi->c_cgx).cs_nbfree, 1); | |
720 | cylno = ufs_cbtocylno(result); | |
721 | fs16_sub(sb, &ubh_cg_blks(ucpi, cylno, ufs_cbtorpos(result)), 1); | |
722 | fs32_sub(sb, &ubh_cg_blktot(ucpi, cylno), 1); | |
723 | ||
724 | UFSD(("EXIT, result %u\n", result)) | |
725 | ||
726 | return result; | |
727 | } | |
728 | ||
3e41f597 ED |
729 | static unsigned ubh_scanc(struct ufs_sb_private_info *uspi, |
730 | struct ufs_buffer_head *ubh, | |
731 | unsigned begin, unsigned size, | |
732 | unsigned char *table, unsigned char mask) | |
1da177e4 | 733 | { |
3e41f597 ED |
734 | unsigned rest, offset; |
735 | unsigned char *cp; | |
1da177e4 | 736 | |
1da177e4 | 737 | |
3e41f597 ED |
738 | offset = begin & ~uspi->s_fmask; |
739 | begin >>= uspi->s_fshift; | |
740 | for (;;) { | |
741 | if ((offset + size) < uspi->s_fsize) | |
742 | rest = size; | |
743 | else | |
744 | rest = uspi->s_fsize - offset; | |
745 | size -= rest; | |
746 | cp = ubh->bh[begin]->b_data + offset; | |
747 | while ((table[*cp++] & mask) == 0 && --rest) | |
748 | ; | |
749 | if (rest || !size) | |
750 | break; | |
751 | begin++; | |
752 | offset = 0; | |
753 | } | |
754 | return (size + rest); | |
755 | } | |
756 | ||
757 | /* | |
758 | * Find a block of the specified size in the specified cylinder group. | |
759 | * @sp: pointer to super block | |
760 | * @ucpi: pointer to cylinder group info | |
761 | * @goal: near which block we want find new one | |
762 | * @count: specified size | |
763 | */ | |
764 | static unsigned ufs_bitmap_search(struct super_block *sb, | |
765 | struct ufs_cg_private_info *ucpi, | |
766 | unsigned goal, unsigned count) | |
767 | { | |
768 | /* | |
769 | * Bit patterns for identifying fragments in the block map | |
770 | * used as ((map & mask_arr) == want_arr) | |
771 | */ | |
772 | static const int mask_arr[9] = { | |
773 | 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff, 0x1ff, 0x3ff | |
774 | }; | |
775 | static const int want_arr[9] = { | |
776 | 0x0, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe | |
777 | }; | |
778 | struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi; | |
779 | struct ufs_super_block_first *usb1; | |
780 | struct ufs_cylinder_group *ucg; | |
781 | unsigned start, length, loc, result; | |
782 | unsigned pos, want, blockmap, mask, end; | |
783 | ||
784 | UFSD(("ENTER, cg %u, goal %u, count %u\n", ucpi->c_cgx, goal, count)); | |
785 | ||
7b4ee73e | 786 | usb1 = ubh_get_usb_first (uspi); |
9695ef16 | 787 | ucg = ubh_get_ucg(UCPI_UBH(ucpi)); |
1da177e4 LT |
788 | |
789 | if (goal) | |
790 | start = ufs_dtogd(goal) >> 3; | |
791 | else | |
792 | start = ucpi->c_frotor >> 3; | |
793 | ||
794 | length = ((uspi->s_fpg + 7) >> 3) - start; | |
3e41f597 | 795 | loc = ubh_scanc(uspi, UCPI_UBH(ucpi), ucpi->c_freeoff + start, length, |
1da177e4 LT |
796 | (uspi->s_fpb == 8) ? ufs_fragtable_8fpb : ufs_fragtable_other, |
797 | 1 << (count - 1 + (uspi->s_fpb & 7))); | |
3e41f597 | 798 | if (loc == 0) { |
1da177e4 | 799 | length = start + 1; |
3e41f597 ED |
800 | loc = ubh_scanc(uspi, UCPI_UBH(ucpi), ucpi->c_freeoff, length, |
801 | (uspi->s_fpb == 8) ? ufs_fragtable_8fpb : | |
802 | ufs_fragtable_other, | |
803 | 1 << (count - 1 + (uspi->s_fpb & 7))); | |
804 | if (loc == 0) { | |
805 | ufs_error(sb, "ufs_bitmap_search", | |
806 | "bitmap corrupted on cg %u, start %u," | |
807 | " length %u, count %u, freeoff %u\n", | |
808 | ucpi->c_cgx, start, length, count, | |
809 | ucpi->c_freeoff); | |
1da177e4 LT |
810 | return (unsigned)-1; |
811 | } | |
812 | start = 0; | |
813 | } | |
3e41f597 | 814 | result = (start + length - loc) << 3; |
1da177e4 LT |
815 | ucpi->c_frotor = result; |
816 | ||
817 | /* | |
818 | * found the byte in the map | |
819 | */ | |
3e41f597 ED |
820 | |
821 | for (end = result + 8; result < end; result += uspi->s_fpb) { | |
822 | blockmap = ubh_blkmap(UCPI_UBH(ucpi), ucpi->c_freeoff, result); | |
823 | blockmap <<= 1; | |
824 | mask = mask_arr[count]; | |
825 | want = want_arr[count]; | |
826 | for (pos = 0; pos <= uspi->s_fpb - count; pos++) { | |
827 | if ((blockmap & mask) == want) { | |
828 | UFSD(("EXIT, result %u\n", result)); | |
829 | return result + pos; | |
830 | } | |
831 | mask <<= 1; | |
832 | want <<= 1; | |
833 | } | |
834 | } | |
835 | ||
836 | ufs_error(sb, "ufs_bitmap_search", "block not in map on cg %u\n", | |
837 | ucpi->c_cgx); | |
838 | UFSD(("EXIT (FAILED)\n")); | |
1da177e4 LT |
839 | return (unsigned)-1; |
840 | } | |
841 | ||
842 | static void ufs_clusteracct(struct super_block * sb, | |
843 | struct ufs_cg_private_info * ucpi, unsigned blkno, int cnt) | |
844 | { | |
845 | struct ufs_sb_private_info * uspi; | |
846 | int i, start, end, forw, back; | |
847 | ||
848 | uspi = UFS_SB(sb)->s_uspi; | |
849 | if (uspi->s_contigsumsize <= 0) | |
850 | return; | |
851 | ||
852 | if (cnt > 0) | |
9695ef16 | 853 | ubh_setbit(UCPI_UBH(ucpi), ucpi->c_clusteroff, blkno); |
1da177e4 | 854 | else |
9695ef16 | 855 | ubh_clrbit(UCPI_UBH(ucpi), ucpi->c_clusteroff, blkno); |
1da177e4 LT |
856 | |
857 | /* | |
858 | * Find the size of the cluster going forward. | |
859 | */ | |
860 | start = blkno + 1; | |
861 | end = start + uspi->s_contigsumsize; | |
862 | if ( end >= ucpi->c_nclusterblks) | |
863 | end = ucpi->c_nclusterblks; | |
9695ef16 | 864 | i = ubh_find_next_zero_bit (UCPI_UBH(ucpi), ucpi->c_clusteroff, end, start); |
1da177e4 LT |
865 | if (i > end) |
866 | i = end; | |
867 | forw = i - start; | |
868 | ||
869 | /* | |
870 | * Find the size of the cluster going backward. | |
871 | */ | |
872 | start = blkno - 1; | |
873 | end = start - uspi->s_contigsumsize; | |
874 | if (end < 0 ) | |
875 | end = -1; | |
9695ef16 | 876 | i = ubh_find_last_zero_bit (UCPI_UBH(ucpi), ucpi->c_clusteroff, start, end); |
1da177e4 LT |
877 | if ( i < end) |
878 | i = end; | |
879 | back = start - i; | |
880 | ||
881 | /* | |
882 | * Account for old cluster and the possibly new forward and | |
883 | * back clusters. | |
884 | */ | |
885 | i = back + forw + 1; | |
886 | if (i > uspi->s_contigsumsize) | |
887 | i = uspi->s_contigsumsize; | |
9695ef16 | 888 | fs32_add(sb, (__fs32*)ubh_get_addr(UCPI_UBH(ucpi), ucpi->c_clustersumoff + (i << 2)), cnt); |
1da177e4 | 889 | if (back > 0) |
9695ef16 | 890 | fs32_sub(sb, (__fs32*)ubh_get_addr(UCPI_UBH(ucpi), ucpi->c_clustersumoff + (back << 2)), cnt); |
1da177e4 | 891 | if (forw > 0) |
9695ef16 | 892 | fs32_sub(sb, (__fs32*)ubh_get_addr(UCPI_UBH(ucpi), ucpi->c_clustersumoff + (forw << 2)), cnt); |
1da177e4 LT |
893 | } |
894 | ||
895 | ||
896 | static unsigned char ufs_fragtable_8fpb[] = { | |
897 | 0x00, 0x01, 0x01, 0x02, 0x01, 0x01, 0x02, 0x04, 0x01, 0x01, 0x01, 0x03, 0x02, 0x03, 0x04, 0x08, | |
898 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x02, 0x03, 0x03, 0x02, 0x04, 0x05, 0x08, 0x10, | |
899 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, | |
900 | 0x02, 0x03, 0x03, 0x02, 0x03, 0x03, 0x02, 0x06, 0x04, 0x05, 0x05, 0x06, 0x08, 0x09, 0x10, 0x20, | |
901 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, | |
902 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x03, 0x03, 0x03, 0x03, 0x05, 0x05, 0x09, 0x11, | |
903 | 0x02, 0x03, 0x03, 0x02, 0x03, 0x03, 0x02, 0x06, 0x03, 0x03, 0x03, 0x03, 0x02, 0x03, 0x06, 0x0A, | |
904 | 0x04, 0x05, 0x05, 0x06, 0x05, 0x05, 0x06, 0x04, 0x08, 0x09, 0x09, 0x0A, 0x10, 0x11, 0x20, 0x40, | |
905 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, | |
906 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x03, 0x03, 0x03, 0x03, 0x05, 0x05, 0x09, 0x11, | |
907 | 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, | |
908 | 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07, 0x05, 0x05, 0x05, 0x07, 0x09, 0x09, 0x11, 0x21, | |
909 | 0x02, 0x03, 0x03, 0x02, 0x03, 0x03, 0x02, 0x06, 0x03, 0x03, 0x03, 0x03, 0x02, 0x03, 0x06, 0x0A, | |
910 | 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07, 0x02, 0x03, 0x03, 0x02, 0x06, 0x07, 0x0A, 0x12, | |
911 | 0x04, 0x05, 0x05, 0x06, 0x05, 0x05, 0x06, 0x04, 0x05, 0x05, 0x05, 0x07, 0x06, 0x07, 0x04, 0x0C, | |
912 | 0x08, 0x09, 0x09, 0x0A, 0x09, 0x09, 0x0A, 0x0C, 0x10, 0x11, 0x11, 0x12, 0x20, 0x21, 0x40, 0x80, | |
913 | }; | |
914 | ||
915 | static unsigned char ufs_fragtable_other[] = { | |
916 | 0x00, 0x16, 0x16, 0x2A, 0x16, 0x16, 0x26, 0x4E, 0x16, 0x16, 0x16, 0x3E, 0x2A, 0x3E, 0x4E, 0x8A, | |
917 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
918 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
919 | 0x2A, 0x3E, 0x3E, 0x2A, 0x3E, 0x3E, 0x2E, 0x6E, 0x3E, 0x3E, 0x3E, 0x3E, 0x2A, 0x3E, 0x6E, 0xAA, | |
920 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
921 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
922 | 0x26, 0x36, 0x36, 0x2E, 0x36, 0x36, 0x26, 0x6E, 0x36, 0x36, 0x36, 0x3E, 0x2E, 0x3E, 0x6E, 0xAE, | |
923 | 0x4E, 0x5E, 0x5E, 0x6E, 0x5E, 0x5E, 0x6E, 0x4E, 0x5E, 0x5E, 0x5E, 0x7E, 0x6E, 0x7E, 0x4E, 0xCE, | |
924 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
925 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
926 | 0x16, 0x16, 0x16, 0x3E, 0x16, 0x16, 0x36, 0x5E, 0x16, 0x16, 0x16, 0x3E, 0x3E, 0x3E, 0x5E, 0x9E, | |
927 | 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x7E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x7E, 0xBE, | |
928 | 0x2A, 0x3E, 0x3E, 0x2A, 0x3E, 0x3E, 0x2E, 0x6E, 0x3E, 0x3E, 0x3E, 0x3E, 0x2A, 0x3E, 0x6E, 0xAA, | |
929 | 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x7E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x3E, 0x7E, 0xBE, | |
930 | 0x4E, 0x5E, 0x5E, 0x6E, 0x5E, 0x5E, 0x6E, 0x4E, 0x5E, 0x5E, 0x5E, 0x7E, 0x6E, 0x7E, 0x4E, 0xCE, | |
931 | 0x8A, 0x9E, 0x9E, 0xAA, 0x9E, 0x9E, 0xAE, 0xCE, 0x9E, 0x9E, 0x9E, 0xBE, 0xAA, 0xBE, 0xCE, 0x8A, | |
932 | }; |