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authorCyrill Gorcunov <gorcunov@gmail.com>2007-07-21 07:37:18 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-21 20:49:14 -0400
commit28de7948a896763bc97ccd416bba5b9422158350 (patch)
treeabee128b137a6fa9fa4104b7bbc4ee409467c38f /fs/udf/namei.c
parent71133027febfabd501fde7583b30008224f4d799 (diff)
UDF: coding style conversion - lindent fixups
This patch fixes up sources after conversion by Lindent. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Jan Kara <jack@ucw.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/namei.c')
-rw-r--r--fs/udf/namei.c410
1 files changed, 181 insertions, 229 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 334d363a0903..bec96a6b3343 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -37,6 +37,7 @@ static inline int udf_match(int len1, const char *name1, int len2,
37{ 37{
38 if (len1 != len2) 38 if (len1 != len2)
39 return 0; 39 return 0;
40
40 return !memcmp(name1, name2, len1); 41 return !memcmp(name1, name2, len1);
41} 42}
42 43
@@ -52,7 +53,7 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
52 uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse); 53 uint16_t liu = le16_to_cpu(cfi->lengthOfImpUse);
53 uint8_t lfi = cfi->lengthFileIdent; 54 uint8_t lfi = cfi->lengthFileIdent;
54 int padlen = fibh->eoffset - fibh->soffset - liu - lfi - 55 int padlen = fibh->eoffset - fibh->soffset - liu - lfi -
55 sizeof(struct fileIdentDesc); 56 sizeof(struct fileIdentDesc);
56 int adinicb = 0; 57 int adinicb = 0;
57 58
58 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) 59 if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
@@ -61,85 +62,75 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
61 offset = fibh->soffset + sizeof(struct fileIdentDesc); 62 offset = fibh->soffset + sizeof(struct fileIdentDesc);
62 63
63 if (impuse) { 64 if (impuse) {
64 if (adinicb || (offset + liu < 0)) 65 if (adinicb || (offset + liu < 0)) {
65 memcpy((uint8_t *) sfi->impUse, impuse, liu); 66 memcpy((uint8_t *)sfi->impUse, impuse, liu);
66 else if (offset >= 0) 67 } else if (offset >= 0) {
67 memcpy(fibh->ebh->b_data + offset, impuse, liu); 68 memcpy(fibh->ebh->b_data + offset, impuse, liu);
68 else { 69 } else {
69 memcpy((uint8_t *) sfi->impUse, impuse, -offset); 70 memcpy((uint8_t *)sfi->impUse, impuse, -offset);
70 memcpy(fibh->ebh->b_data, impuse - offset, 71 memcpy(fibh->ebh->b_data, impuse - offset, liu + offset);
71 liu + offset);
72 } 72 }
73 } 73 }
74 74
75 offset += liu; 75 offset += liu;
76 76
77 if (fileident) { 77 if (fileident) {
78 if (adinicb || (offset + lfi < 0)) 78 if (adinicb || (offset + lfi < 0)) {
79 memcpy((uint8_t *) sfi->fileIdent + liu, fileident, 79 memcpy((uint8_t *)sfi->fileIdent + liu, fileident, lfi);
80 lfi); 80 } else if (offset >= 0) {
81 else if (offset >= 0)
82 memcpy(fibh->ebh->b_data + offset, fileident, lfi); 81 memcpy(fibh->ebh->b_data + offset, fileident, lfi);
83 else { 82 } else {
84 memcpy((uint8_t *) sfi->fileIdent + liu, fileident, 83 memcpy((uint8_t *)sfi->fileIdent + liu, fileident, -offset);
85 -offset); 84 memcpy(fibh->ebh->b_data, fileident - offset, lfi + offset);
86 memcpy(fibh->ebh->b_data, fileident - offset,
87 lfi + offset);
88 } 85 }
89 } 86 }
90 87
91 offset += lfi; 88 offset += lfi;
92 89
93 if (adinicb || (offset + padlen < 0)) 90 if (adinicb || (offset + padlen < 0)) {
94 memset((uint8_t *) sfi->padding + liu + lfi, 0x00, padlen); 91 memset((uint8_t *)sfi->padding + liu + lfi, 0x00, padlen);
95 else if (offset >= 0) 92 } else if (offset >= 0) {
96 memset(fibh->ebh->b_data + offset, 0x00, padlen); 93 memset(fibh->ebh->b_data + offset, 0x00, padlen);
97 else { 94 } else {
98 memset((uint8_t *) sfi->padding + liu + lfi, 0x00, -offset); 95 memset((uint8_t *)sfi->padding + liu + lfi, 0x00, -offset);
99 memset(fibh->ebh->b_data, 0x00, padlen + offset); 96 memset(fibh->ebh->b_data, 0x00, padlen + offset);
100 } 97 }
101 98
102 crc = 99 crc = udf_crc((uint8_t *)cfi + sizeof(tag),
103 udf_crc((uint8_t *) cfi + sizeof(tag), 100 sizeof(struct fileIdentDesc) - sizeof(tag), 0);
104 sizeof(struct fileIdentDesc) - sizeof(tag), 0); 101
105 102 if (fibh->sbh == fibh->ebh) {
106 if (fibh->sbh == fibh->ebh) 103 crc = udf_crc((uint8_t *)sfi->impUse,
107 crc = udf_crc((uint8_t *) sfi->impUse, 104 crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
108 crclen + sizeof(tag) - 105 } else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) {
109 sizeof(struct fileIdentDesc), crc); 106 crc = udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + fibh->soffset,
110 else if (sizeof(struct fileIdentDesc) >= -fibh->soffset) 107 crclen + sizeof(tag) - sizeof(struct fileIdentDesc), crc);
111 crc = 108 } else {
112 udf_crc(fibh->ebh->b_data + sizeof(struct fileIdentDesc) + 109 crc = udf_crc((uint8_t *)sfi->impUse,
113 fibh->soffset, 110 -fibh->soffset - sizeof(struct fileIdentDesc), crc);
114 crclen + sizeof(tag) - sizeof(struct fileIdentDesc),
115 crc);
116 else {
117 crc = udf_crc((uint8_t *) sfi->impUse,
118 -fibh->soffset - sizeof(struct fileIdentDesc),
119 crc);
120 crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc); 111 crc = udf_crc(fibh->ebh->b_data, fibh->eoffset, crc);
121 } 112 }
122 113
123 cfi->descTag.descCRC = cpu_to_le16(crc); 114 cfi->descTag.descCRC = cpu_to_le16(crc);
124 cfi->descTag.descCRCLength = cpu_to_le16(crclen); 115 cfi->descTag.descCRCLength = cpu_to_le16(crclen);
125 116
126 for (i = 0; i < 16; i++) 117 for (i = 0; i < 16; i++) {
127 if (i != 4) 118 if (i != 4)
128 checksum += ((uint8_t *) & cfi->descTag)[i]; 119 checksum += ((uint8_t *)&cfi->descTag)[i];
120 }
129 121
130 cfi->descTag.tagChecksum = checksum; 122 cfi->descTag.tagChecksum = checksum;
131 if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) 123 if (adinicb || (sizeof(struct fileIdentDesc) <= -fibh->soffset)) {
132 memcpy((uint8_t *) sfi, (uint8_t *) cfi, 124 memcpy((uint8_t *)sfi, (uint8_t *)cfi, sizeof(struct fileIdentDesc));
133 sizeof(struct fileIdentDesc)); 125 } else {
134 else { 126 memcpy((uint8_t *)sfi, (uint8_t *)cfi, -fibh->soffset);
135 memcpy((uint8_t *) sfi, (uint8_t *) cfi, -fibh->soffset); 127 memcpy(fibh->ebh->b_data, (uint8_t *)cfi - fibh->soffset,
136 memcpy(fibh->ebh->b_data, (uint8_t *) cfi - fibh->soffset,
137 sizeof(struct fileIdentDesc) + fibh->soffset); 128 sizeof(struct fileIdentDesc) + fibh->soffset);
138 } 129 }
139 130
140 if (adinicb) 131 if (adinicb) {
141 mark_inode_dirty(inode); 132 mark_inode_dirty(inode);
142 else { 133 } else {
143 if (fibh->sbh != fibh->ebh) 134 if (fibh->sbh != fibh->ebh)
144 mark_buffer_dirty_inode(fibh->ebh, inode); 135 mark_buffer_dirty_inode(fibh->ebh, inode);
145 mark_buffer_dirty_inode(fibh->sbh, inode); 136 mark_buffer_dirty_inode(fibh->sbh, inode);
@@ -163,26 +154,25 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
163 kernel_lb_addr eloc; 154 kernel_lb_addr eloc;
164 uint32_t elen; 155 uint32_t elen;
165 sector_t offset; 156 sector_t offset;
166 struct extent_position epos = { NULL, 0, {0, 0} }; 157 struct extent_position epos = {};
167 158
168 size = (udf_ext0_offset(dir) + dir->i_size) >> 2; 159 size = (udf_ext0_offset(dir) + dir->i_size) >> 2;
169 f_pos = (udf_ext0_offset(dir) >> 2); 160 f_pos = (udf_ext0_offset(dir) >> 2);
170 161
171 fibh->soffset = fibh->eoffset = 162 fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
172 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 163 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
173 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
174 fibh->sbh = fibh->ebh = NULL; 164 fibh->sbh = fibh->ebh = NULL;
175 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 165 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
176 &epos, &eloc, &elen, 166 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
177 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
178 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 167 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
179 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 168 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
180 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 169 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
181 epos.offset -= sizeof(short_ad); 170 epos.offset -= sizeof(short_ad);
182 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 171 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
183 epos.offset -= sizeof(long_ad); 172 epos.offset -= sizeof(long_ad);
184 } else 173 } else {
185 offset = 0; 174 offset = 0;
175 }
186 176
187 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { 177 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
188 brelse(epos.bh); 178 brelse(epos.bh);
@@ -196,7 +186,6 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
196 while ((f_pos < size)) { 186 while ((f_pos < size)) {
197 fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, 187 fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,
198 &elen, &offset); 188 &elen, &offset);
199
200 if (!fi) { 189 if (!fi) {
201 if (fibh->sbh != fibh->ebh) 190 if (fibh->sbh != fibh->ebh)
202 brelse(fibh->ebh); 191 brelse(fibh->ebh);
@@ -213,20 +202,14 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
213 } else { 202 } else {
214 int poffset; /* Unpaded ending offset */ 203 int poffset; /* Unpaded ending offset */
215 204
216 poffset = 205 poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
217 fibh->soffset + sizeof(struct fileIdentDesc) + liu +
218 lfi;
219 206
220 if (poffset >= lfi) 207 if (poffset >= lfi) {
221 nameptr = 208 nameptr = (uint8_t *)(fibh->ebh->b_data + poffset - lfi);
222 (uint8_t *) (fibh->ebh->b_data + poffset - 209 } else {
223 lfi);
224 else {
225 nameptr = fname; 210 nameptr = fname;
226 memcpy(nameptr, fi->fileIdent + liu, 211 memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
227 lfi - poffset); 212 memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
228 memcpy(nameptr + lfi - poffset,
229 fibh->ebh->b_data, poffset);
230 } 213 }
231 } 214 }
232 215
@@ -244,18 +227,18 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
244 continue; 227 continue;
245 228
246 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) { 229 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi))) {
247 if (udf_match 230 if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) {
248 (flen, fname, dentry->d_name.len,
249 dentry->d_name.name)) {
250 brelse(epos.bh); 231 brelse(epos.bh);
251 return fi; 232 return fi;
252 } 233 }
253 } 234 }
254 } 235 }
236
255 if (fibh->sbh != fibh->ebh) 237 if (fibh->sbh != fibh->ebh)
256 brelse(fibh->ebh); 238 brelse(fibh->ebh);
257 brelse(fibh->sbh); 239 brelse(fibh->sbh);
258 brelse(epos.bh); 240 brelse(epos.bh);
241
259 return NULL; 242 return NULL;
260} 243}
261 244
@@ -306,15 +289,19 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
306#ifdef UDF_RECOVERY 289#ifdef UDF_RECOVERY
307 /* temporary shorthand for specifying files by inode number */ 290 /* temporary shorthand for specifying files by inode number */
308 if (!strncmp(dentry->d_name.name, ".B=", 3)) { 291 if (!strncmp(dentry->d_name.name, ".B=", 3)) {
309 kernel_lb_addr lb = 292 kernel_lb_addr lb = {
310 { 0, simple_strtoul(dentry->d_name.name + 3, NULL, 0) }; 293 .logicalBlockNum = 0,
294 .partitionReferenceNum = simple_strtoul(dentry->d_name.name + 3,
295 NULL, 0),
296 };
311 inode = udf_iget(dir->i_sb, lb); 297 inode = udf_iget(dir->i_sb, lb);
312 if (!inode) { 298 if (!inode) {
313 unlock_kernel(); 299 unlock_kernel();
314 return ERR_PTR(-EACCES); 300 return ERR_PTR(-EACCES);
315 } 301 }
316 } else 302 }
317#endif /* UDF_RECOVERY */ 303 else
304#endif /* UDF_RECOVERY */
318 305
319 if (udf_find_entry(dir, dentry, &fibh, &cfi)) { 306 if (udf_find_entry(dir, dentry, &fibh, &cfi)) {
320 if (fibh.sbh != fibh.ebh) 307 if (fibh.sbh != fibh.ebh)
@@ -329,6 +316,7 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
329 } 316 }
330 unlock_kernel(); 317 unlock_kernel();
331 d_add(dentry, inode); 318 d_add(dentry, inode);
319
332 return NULL; 320 return NULL;
333} 321}
334 322
@@ -352,7 +340,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
352 kernel_lb_addr eloc; 340 kernel_lb_addr eloc;
353 uint32_t elen; 341 uint32_t elen;
354 sector_t offset; 342 sector_t offset;
355 struct extent_position epos = { NULL, 0, {0, 0} }; 343 struct extent_position epos = {};
356 344
357 sb = dir->i_sb; 345 sb = dir->i_sb;
358 346
@@ -361,36 +349,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
361 *err = -EINVAL; 349 *err = -EINVAL;
362 return NULL; 350 return NULL;
363 } 351 }
364 352 if (!(namelen = udf_put_filename(sb, dentry->d_name.name, name,
365 if (! 353 dentry->d_name.len))) {
366 (namelen =
367 udf_put_filename(sb, dentry->d_name.name, name,
368 dentry->d_name.len))) {
369 *err = -ENAMETOOLONG; 354 *err = -ENAMETOOLONG;
370 return NULL; 355 return NULL;
371 } 356 }
372 } else 357 } else {
373 namelen = 0; 358 namelen = 0;
359 }
374 360
375 nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3; 361 nfidlen = (sizeof(struct fileIdentDesc) + namelen + 3) & ~3;
376 362
377 f_pos = (udf_ext0_offset(dir) >> 2); 363 f_pos = (udf_ext0_offset(dir) >> 2);
378 364
379 fibh->soffset = fibh->eoffset = 365 fibh->soffset = fibh->eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
380 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; 366 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
381 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
382 fibh->sbh = fibh->ebh = NULL; 367 fibh->sbh = fibh->ebh = NULL;
383 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 368 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
384 &epos, &eloc, &elen, 369 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
385 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
386 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 370 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
387 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 371 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
388 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 372 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
389 epos.offset -= sizeof(short_ad); 373 epos.offset -= sizeof(short_ad);
390 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 374 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
391 epos.offset -= sizeof(long_ad); 375 epos.offset -= sizeof(long_ad);
392 } else 376 } else {
393 offset = 0; 377 offset = 0;
378 }
394 379
395 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { 380 if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) {
396 brelse(epos.bh); 381 brelse(epos.bh);
@@ -423,40 +408,33 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
423 liu = le16_to_cpu(cfi->lengthOfImpUse); 408 liu = le16_to_cpu(cfi->lengthOfImpUse);
424 lfi = cfi->lengthFileIdent; 409 lfi = cfi->lengthFileIdent;
425 410
426 if (fibh->sbh == fibh->ebh) 411 if (fibh->sbh == fibh->ebh) {
427 nameptr = fi->fileIdent + liu; 412 nameptr = fi->fileIdent + liu;
428 else { 413 } else {
429 int poffset; /* Unpaded ending offset */ 414 int poffset; /* Unpaded ending offset */
430 415
431 poffset = 416 poffset = fibh->soffset + sizeof(struct fileIdentDesc) + liu + lfi;
432 fibh->soffset + sizeof(struct fileIdentDesc) + liu +
433 lfi;
434 417
435 if (poffset >= lfi) 418 if (poffset >= lfi) {
436 nameptr = 419 nameptr = (char *)(fibh->ebh->b_data + poffset - lfi);
437 (char *)(fibh->ebh->b_data + poffset - lfi); 420 } else {
438 else {
439 nameptr = fname; 421 nameptr = fname;
440 memcpy(nameptr, fi->fileIdent + liu, 422 memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
441 lfi - poffset); 423 memcpy(nameptr + lfi - poffset, fibh->ebh->b_data, poffset);
442 memcpy(nameptr + lfi - poffset,
443 fibh->ebh->b_data, poffset);
444 } 424 }
445 } 425 }
446 426
447 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) { 427 if ((cfi->fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
448 if (((sizeof(struct fileIdentDesc) + liu + lfi + 428 if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) {
449 3) & ~3) == nfidlen) {
450 brelse(epos.bh); 429 brelse(epos.bh);
451 cfi->descTag.tagSerialNum = cpu_to_le16(1); 430 cfi->descTag.tagSerialNum = cpu_to_le16(1);
452 cfi->fileVersionNum = cpu_to_le16(1); 431 cfi->fileVersionNum = cpu_to_le16(1);
453 cfi->fileCharacteristics = 0; 432 cfi->fileCharacteristics = 0;
454 cfi->lengthFileIdent = namelen; 433 cfi->lengthFileIdent = namelen;
455 cfi->lengthOfImpUse = cpu_to_le16(0); 434 cfi->lengthOfImpUse = cpu_to_le16(0);
456 if (!udf_write_fi 435 if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {
457 (dir, cfi, fi, fibh, NULL, name))
458 return fi; 436 return fi;
459 else { 437 } else {
460 *err = -EIO; 438 *err = -EIO;
461 return NULL; 439 return NULL;
462 } 440 }
@@ -467,8 +445,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
467 continue; 445 continue;
468 446
469 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) && 447 if ((flen = udf_get_filename(dir->i_sb, nameptr, fname, lfi)) &&
470 udf_match(flen, fname, dentry->d_name.len, 448 udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) {
471 dentry->d_name.name)) {
472 if (fibh->sbh != fibh->ebh) 449 if (fibh->sbh != fibh->ebh)
473 brelse(fibh->ebh); 450 brelse(fibh->ebh);
474 brelse(fibh->sbh); 451 brelse(fibh->sbh);
@@ -478,7 +455,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
478 } 455 }
479 } 456 }
480 457
481 add: 458add:
482 f_pos += nfidlen; 459 f_pos += nfidlen;
483 460
484 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && 461 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB &&
@@ -491,14 +468,11 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
491 if (fibh->sbh != fibh->ebh) 468 if (fibh->sbh != fibh->ebh)
492 brelse(fibh->ebh); 469 brelse(fibh->ebh);
493 brelse(fibh->sbh); 470 brelse(fibh->sbh);
494 if (! 471 if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err)))
495 (fibh->sbh = fibh->ebh =
496 udf_expand_dir_adinicb(dir, &block, err)))
497 return NULL; 472 return NULL;
498 epos.block = UDF_I_LOCATION(dir); 473 epos.block = UDF_I_LOCATION(dir);
499 eloc.logicalBlockNum = block; 474 eloc.logicalBlockNum = block;
500 eloc.partitionReferenceNum = 475 eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum;
501 UDF_I_LOCATION(dir).partitionReferenceNum;
502 elen = dir->i_sb->s_blocksize; 476 elen = dir->i_sb->s_blocksize;
503 epos.offset = udf_file_entry_alloc_offset(dir); 477 epos.offset = udf_file_entry_alloc_offset(dir);
504 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 478 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
@@ -517,16 +491,13 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
517 491
518 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 492 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
519 block = UDF_I_LOCATION(dir).logicalBlockNum; 493 block = UDF_I_LOCATION(dir).logicalBlockNum;
520 fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + 494 fi = (struct fileIdentDesc *)(UDF_I_DATA(dir) + fibh->soffset -
521 fibh->soffset -
522 udf_ext0_offset(dir) + 495 udf_ext0_offset(dir) +
523 UDF_I_LENEATTR(dir)); 496 UDF_I_LENEATTR(dir));
524 } else { 497 } else {
525 block = eloc.logicalBlockNum + ((elen - 1) >> 498 block = eloc.logicalBlockNum + ((elen - 1) >>
526 dir->i_sb-> 499 dir->i_sb->s_blocksize_bits);
527 s_blocksize_bits); 500 fi = (struct fileIdentDesc *)(fibh->sbh->b_data + fibh->soffset);
528 fi = (struct fileIdentDesc *)(fibh->sbh->b_data +
529 fibh->soffset);
530 } 501 }
531 } else { 502 } else {
532 fibh->soffset = fibh->eoffset - sb->s_blocksize; 503 fibh->soffset = fibh->eoffset - sb->s_blocksize;
@@ -538,42 +509,36 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
538 509
539 block = eloc.logicalBlockNum + ((elen - 1) >> 510 block = eloc.logicalBlockNum + ((elen - 1) >>
540 dir->i_sb->s_blocksize_bits); 511 dir->i_sb->s_blocksize_bits);
541 512 fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err);
542 if (! 513 if (!fibh->ebh) {
543 (fibh->ebh =
544 udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
545 1, err))) {
546 brelse(epos.bh); 514 brelse(epos.bh);
547 brelse(fibh->sbh); 515 brelse(fibh->sbh);
548 return NULL; 516 return NULL;
549 } 517 }
550 518
551 if (!(fibh->soffset)) { 519 if (!fibh->soffset) {
552 if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == 520 if (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==
553 (EXT_RECORDED_ALLOCATED >> 30)) { 521 (EXT_RECORDED_ALLOCATED >> 30)) {
554 block = eloc.logicalBlockNum + ((elen - 1) >> 522 block = eloc.logicalBlockNum + ((elen - 1) >>
555 dir->i_sb-> 523 dir->i_sb->s_blocksize_bits);
556 s_blocksize_bits); 524 } else {
557 } else
558 block++; 525 block++;
526 }
559 527
560 brelse(fibh->sbh); 528 brelse(fibh->sbh);
561 fibh->sbh = fibh->ebh; 529 fibh->sbh = fibh->ebh;
562 fi = (struct fileIdentDesc *)(fibh->sbh->b_data); 530 fi = (struct fileIdentDesc *)(fibh->sbh->b_data);
563 } else { 531 } else {
564 fi = (struct fileIdentDesc *) 532 fi = (struct fileIdentDesc *)
565 (fibh->sbh->b_data + sb->s_blocksize + 533 (fibh->sbh->b_data + sb->s_blocksize + fibh->soffset);
566 fibh->soffset);
567 } 534 }
568 } 535 }
569 536
570 memset(cfi, 0, sizeof(struct fileIdentDesc)); 537 memset(cfi, 0, sizeof(struct fileIdentDesc));
571 if (UDF_SB_UDFREV(sb) >= 0x0200) 538 if (UDF_SB_UDFREV(sb) >= 0x0200)
572 udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, 539 udf_new_tag((char *)cfi, TAG_IDENT_FID, 3, 1, block, sizeof(tag));
573 sizeof(tag));
574 else 540 else
575 udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, 541 udf_new_tag((char *)cfi, TAG_IDENT_FID, 2, 1, block, sizeof(tag));
576 sizeof(tag));
577 cfi->fileVersionNum = cpu_to_le16(1); 542 cfi->fileVersionNum = cpu_to_le16(1);
578 cfi->lengthFileIdent = namelen; 543 cfi->lengthFileIdent = namelen;
579 cfi->lengthOfImpUse = cpu_to_le16(0); 544 cfi->lengthOfImpUse = cpu_to_le16(0);
@@ -599,8 +564,10 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,
599 struct fileIdentDesc *cfi) 564 struct fileIdentDesc *cfi)
600{ 565{
601 cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED; 566 cfi->fileCharacteristics |= FID_FILE_CHAR_DELETED;
567
602 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) 568 if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))
603 memset(&(cfi->icb), 0x00, sizeof(long_ad)); 569 memset(&(cfi->icb), 0x00, sizeof(long_ad));
570
604 return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); 571 return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);
605} 572}
606 573
@@ -637,8 +604,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
637 } 604 }
638 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 605 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
639 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 606 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
640 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 607 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
641 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 608 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
642 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 609 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
643 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 610 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
644 mark_inode_dirty(dir); 611 mark_inode_dirty(dir);
@@ -648,6 +615,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
648 brelse(fibh.sbh); 615 brelse(fibh.sbh);
649 unlock_kernel(); 616 unlock_kernel();
650 d_instantiate(dentry, inode); 617 d_instantiate(dentry, inode);
618
651 return 0; 619 return 0;
652} 620}
653 621
@@ -679,8 +647,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
679 } 647 }
680 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 648 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
681 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 649 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
682 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 650 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
683 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 651 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
684 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 652 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
685 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 653 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
686 mark_inode_dirty(dir); 654 mark_inode_dirty(dir);
@@ -692,7 +660,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
692 brelse(fibh.sbh); 660 brelse(fibh.sbh);
693 d_instantiate(dentry, inode); 661 d_instantiate(dentry, inode);
694 err = 0; 662 err = 0;
695 out: 663
664out:
696 unlock_kernel(); 665 unlock_kernel();
697 return err; 666 return err;
698} 667}
@@ -725,10 +694,9 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
725 inode->i_nlink = 2; 694 inode->i_nlink = 2;
726 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 695 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
727 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir)); 696 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(dir));
728 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 697 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
729 cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); 698 cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL);
730 cfi.fileCharacteristics = 699 cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
731 FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT;
732 udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); 700 udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);
733 brelse(fibh.sbh); 701 brelse(fibh.sbh);
734 inode->i_mode = S_IFDIR | mode; 702 inode->i_mode = S_IFDIR | mode;
@@ -744,8 +712,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
744 } 712 }
745 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize); 713 cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);
746 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode)); 714 cfi.icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(inode));
747 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 715 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
748 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL); 716 cpu_to_le32(UDF_I_UNIQUE(inode) & 0x00000000FFFFFFFFUL);
749 cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; 717 cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY;
750 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); 718 udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);
751 inc_nlink(dir); 719 inc_nlink(dir);
@@ -755,7 +723,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
755 brelse(fibh.ebh); 723 brelse(fibh.ebh);
756 brelse(fibh.sbh); 724 brelse(fibh.sbh);
757 err = 0; 725 err = 0;
758 out: 726
727out:
759 unlock_kernel(); 728 unlock_kernel();
760 return err; 729 return err;
761} 730}
@@ -770,26 +739,25 @@ static int empty_dir(struct inode *dir)
770 kernel_lb_addr eloc; 739 kernel_lb_addr eloc;
771 uint32_t elen; 740 uint32_t elen;
772 sector_t offset; 741 sector_t offset;
773 struct extent_position epos = { NULL, 0, {0, 0} }; 742 struct extent_position epos = {};
774 743
775 f_pos = (udf_ext0_offset(dir) >> 2); 744 f_pos = (udf_ext0_offset(dir) >> 2);
776 745
777 fibh.soffset = fibh.eoffset = 746 fibh.soffset = fibh.eoffset = (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
778 (f_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
779 747
780 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) 748 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
781 fibh.sbh = fibh.ebh = NULL; 749 fibh.sbh = fibh.ebh = NULL;
782 else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 750 } else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2),
783 &epos, &eloc, &elen, 751 &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
784 &offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
785 block = udf_get_lb_pblock(dir->i_sb, eloc, offset); 752 block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
786 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { 753 if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
787 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) 754 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
788 epos.offset -= sizeof(short_ad); 755 epos.offset -= sizeof(short_ad);
789 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) 756 else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
790 epos.offset -= sizeof(long_ad); 757 epos.offset -= sizeof(long_ad);
791 } else 758 } else {
792 offset = 0; 759 offset = 0;
760 }
793 761
794 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { 762 if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
795 brelse(epos.bh); 763 brelse(epos.bh);
@@ -803,7 +771,6 @@ static int empty_dir(struct inode *dir)
803 while ((f_pos < size)) { 771 while ((f_pos < size)) {
804 fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, 772 fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc,
805 &elen, &offset); 773 &elen, &offset);
806
807 if (!fi) { 774 if (!fi) {
808 if (fibh.sbh != fibh.ebh) 775 if (fibh.sbh != fibh.ebh)
809 brelse(fibh.ebh); 776 brelse(fibh.ebh);
@@ -812,8 +779,8 @@ static int empty_dir(struct inode *dir)
812 return 0; 779 return 0;
813 } 780 }
814 781
815 if (cfi.lengthFileIdent 782 if (cfi.lengthFileIdent &&
816 && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { 783 (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) {
817 if (fibh.sbh != fibh.ebh) 784 if (fibh.sbh != fibh.ebh)
818 brelse(fibh.ebh); 785 brelse(fibh.ebh);
819 brelse(fibh.sbh); 786 brelse(fibh.sbh);
@@ -821,10 +788,12 @@ static int empty_dir(struct inode *dir)
821 return 0; 788 return 0;
822 } 789 }
823 } 790 }
791
824 if (fibh.sbh != fibh.ebh) 792 if (fibh.sbh != fibh.ebh)
825 brelse(fibh.ebh); 793 brelse(fibh.ebh);
826 brelse(fibh.sbh); 794 brelse(fibh.sbh);
827 brelse(epos.bh); 795 brelse(epos.bh);
796
828 return 1; 797 return 1;
829} 798}
830 799
@@ -859,15 +828,15 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
859 clear_nlink(inode); 828 clear_nlink(inode);
860 inode->i_size = 0; 829 inode->i_size = 0;
861 inode_dec_link_count(dir); 830 inode_dec_link_count(dir);
862 inode->i_ctime = dir->i_ctime = dir->i_mtime = 831 inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);
863 current_fs_time(dir->i_sb);
864 mark_inode_dirty(dir); 832 mark_inode_dirty(dir);
865 833
866 end_rmdir: 834end_rmdir:
867 if (fibh.sbh != fibh.ebh) 835 if (fibh.sbh != fibh.ebh)
868 brelse(fibh.ebh); 836 brelse(fibh.ebh);
869 brelse(fibh.sbh); 837 brelse(fibh.sbh);
870 out: 838
839out:
871 unlock_kernel(); 840 unlock_kernel();
872 return retval; 841 return retval;
873} 842}
@@ -906,11 +875,12 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
906 inode->i_ctime = dir->i_ctime; 875 inode->i_ctime = dir->i_ctime;
907 retval = 0; 876 retval = 0;
908 877
909 end_unlink: 878end_unlink:
910 if (fibh.sbh != fibh.ebh) 879 if (fibh.sbh != fibh.ebh)
911 brelse(fibh.ebh); 880 brelse(fibh.ebh);
912 brelse(fibh.sbh); 881 brelse(fibh.sbh);
913 out: 882
883out:
914 unlock_kernel(); 884 unlock_kernel();
915 return retval; 885 return retval;
916} 886}
@@ -922,7 +892,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
922 struct pathComponent *pc; 892 struct pathComponent *pc;
923 char *compstart; 893 char *compstart;
924 struct udf_fileident_bh fibh; 894 struct udf_fileident_bh fibh;
925 struct extent_position epos = { NULL, 0, {0, 0} }; 895 struct extent_position epos = {};
926 int eoffset, elen = 0; 896 int eoffset, elen = 0;
927 struct fileIdentDesc *fi; 897 struct fileIdentDesc *fi;
928 struct fileIdentDesc cfi; 898 struct fileIdentDesc cfi;
@@ -945,26 +915,22 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
945 uint32_t elen; 915 uint32_t elen;
946 916
947 block = udf_new_block(inode->i_sb, inode, 917 block = udf_new_block(inode->i_sb, inode,
948 UDF_I_LOCATION(inode). 918 UDF_I_LOCATION(inode).partitionReferenceNum,
949 partitionReferenceNum, 919 UDF_I_LOCATION(inode).logicalBlockNum, &err);
950 UDF_I_LOCATION(inode).logicalBlockNum,
951 &err);
952 if (!block) 920 if (!block)
953 goto out_no_entry; 921 goto out_no_entry;
954 epos.block = UDF_I_LOCATION(inode); 922 epos.block = UDF_I_LOCATION(inode);
955 epos.offset = udf_file_entry_alloc_offset(inode); 923 epos.offset = udf_file_entry_alloc_offset(inode);
956 epos.bh = NULL; 924 epos.bh = NULL;
957 eloc.logicalBlockNum = block; 925 eloc.logicalBlockNum = block;
958 eloc.partitionReferenceNum = 926 eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum;
959 UDF_I_LOCATION(inode).partitionReferenceNum;
960 elen = inode->i_sb->s_blocksize; 927 elen = inode->i_sb->s_blocksize;
961 UDF_I_LENEXTENTS(inode) = elen; 928 UDF_I_LENEXTENTS(inode) = elen;
962 udf_add_aext(inode, &epos, eloc, elen, 0); 929 udf_add_aext(inode, &epos, eloc, elen, 0);
963 brelse(epos.bh); 930 brelse(epos.bh);
964 931
965 block = udf_get_pblock(inode->i_sb, block, 932 block = udf_get_pblock(inode->i_sb, block,
966 UDF_I_LOCATION(inode). 933 UDF_I_LOCATION(inode).partitionReferenceNum, 0);
967 partitionReferenceNum, 0);
968 epos.bh = udf_tread(inode->i_sb, block); 934 epos.bh = udf_tread(inode->i_sb, block);
969 lock_buffer(epos.bh); 935 lock_buffer(epos.bh);
970 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); 936 memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize);
@@ -972,8 +938,9 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
972 unlock_buffer(epos.bh); 938 unlock_buffer(epos.bh);
973 mark_buffer_dirty_inode(epos.bh, inode); 939 mark_buffer_dirty_inode(epos.bh, inode);
974 ea = epos.bh->b_data + udf_ext0_offset(inode); 940 ea = epos.bh->b_data + udf_ext0_offset(inode);
975 } else 941 } else {
976 ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); 942 ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
943 }
977 944
978 eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode); 945 eoffset = inode->i_sb->s_blocksize - udf_ext0_offset(inode);
979 pc = (struct pathComponent *)ea; 946 pc = (struct pathComponent *)ea;
@@ -1010,20 +977,17 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1010 if (compstart[0] == '.') { 977 if (compstart[0] == '.') {
1011 if ((symname - compstart) == 1) 978 if ((symname - compstart) == 1)
1012 pc->componentType = 4; 979 pc->componentType = 4;
1013 else if ((symname - compstart) == 2 980 else if ((symname - compstart) == 2 && compstart[1] == '.')
1014 && compstart[1] == '.')
1015 pc->componentType = 3; 981 pc->componentType = 3;
1016 } 982 }
1017 983
1018 if (pc->componentType == 5) { 984 if (pc->componentType == 5) {
1019 if (! 985 namelen = udf_put_filename(inode->i_sb, compstart, name,
1020 (namelen = 986 symname - compstart);
1021 udf_put_filename(inode->i_sb, compstart, name, 987 if (!namelen)
1022 symname - compstart)))
1023 goto out_no_entry; 988 goto out_no_entry;
1024 989
1025 if (elen + sizeof(struct pathComponent) + namelen > 990 if (elen + sizeof(struct pathComponent) + namelen > eoffset)
1026 eoffset)
1027 goto out_no_entry; 991 goto out_no_entry;
1028 else 992 else
1029 pc->lengthComponentIdent = namelen; 993 pc->lengthComponentIdent = namelen;
@@ -1053,12 +1017,10 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1053 if (UDF_SB_LVIDBH(inode->i_sb)) { 1017 if (UDF_SB_LVIDBH(inode->i_sb)) {
1054 struct logicalVolHeaderDesc *lvhd; 1018 struct logicalVolHeaderDesc *lvhd;
1055 uint64_t uniqueID; 1019 uint64_t uniqueID;
1056 lvhd = 1020 lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
1057 (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->
1058 logicalVolContentsUse);
1059 uniqueID = le64_to_cpu(lvhd->uniqueID); 1021 uniqueID = le64_to_cpu(lvhd->uniqueID);
1060 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 1022 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
1061 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); 1023 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
1062 if (!(++uniqueID & 0x00000000FFFFFFFFUL)) 1024 if (!(++uniqueID & 0x00000000FFFFFFFFUL))
1063 uniqueID += 16; 1025 uniqueID += 16;
1064 lvhd->uniqueID = cpu_to_le64(uniqueID); 1026 lvhd->uniqueID = cpu_to_le64(uniqueID);
@@ -1074,11 +1036,11 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
1074 d_instantiate(dentry, inode); 1036 d_instantiate(dentry, inode);
1075 err = 0; 1037 err = 0;
1076 1038
1077 out: 1039out:
1078 unlock_kernel(); 1040 unlock_kernel();
1079 return err; 1041 return err;
1080 1042
1081 out_no_entry: 1043out_no_entry:
1082 inode_dec_link_count(inode); 1044 inode_dec_link_count(inode);
1083 iput(inode); 1045 iput(inode);
1084 goto out; 1046 goto out;
@@ -1107,12 +1069,10 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1107 if (UDF_SB_LVIDBH(inode->i_sb)) { 1069 if (UDF_SB_LVIDBH(inode->i_sb)) {
1108 struct logicalVolHeaderDesc *lvhd; 1070 struct logicalVolHeaderDesc *lvhd;
1109 uint64_t uniqueID; 1071 uint64_t uniqueID;
1110 lvhd = 1072 lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->logicalVolContentsUse);
1111 (struct logicalVolHeaderDesc *)(UDF_SB_LVID(inode->i_sb)->
1112 logicalVolContentsUse);
1113 uniqueID = le64_to_cpu(lvhd->uniqueID); 1073 uniqueID = le64_to_cpu(lvhd->uniqueID);
1114 *(__le32 *) ((struct allocDescImpUse *)cfi.icb.impUse)->impUse = 1074 *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse =
1115 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL); 1075 cpu_to_le32(uniqueID & 0x00000000FFFFFFFFUL);
1116 if (!(++uniqueID & 0x00000000FFFFFFFFUL)) 1076 if (!(++uniqueID & 0x00000000FFFFFFFFUL))
1117 uniqueID += 16; 1077 uniqueID += 16;
1118 lvhd->uniqueID = cpu_to_le64(uniqueID); 1078 lvhd->uniqueID = cpu_to_le64(uniqueID);
@@ -1122,6 +1082,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1122 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) { 1082 if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
1123 mark_inode_dirty(dir); 1083 mark_inode_dirty(dir);
1124 } 1084 }
1085
1125 if (fibh.sbh != fibh.ebh) 1086 if (fibh.sbh != fibh.ebh)
1126 brelse(fibh.ebh); 1087 brelse(fibh.ebh);
1127 brelse(fibh.sbh); 1088 brelse(fibh.sbh);
@@ -1131,6 +1092,7 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
1131 atomic_inc(&inode->i_count); 1092 atomic_inc(&inode->i_count);
1132 d_instantiate(dentry, inode); 1093 d_instantiate(dentry, inode);
1133 unlock_kernel(); 1094 unlock_kernel();
1095
1134 return 0; 1096 return 0;
1135} 1097}
1136 1098
@@ -1143,8 +1105,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1143 struct inode *old_inode = old_dentry->d_inode; 1105 struct inode *old_inode = old_dentry->d_inode;
1144 struct inode *new_inode = new_dentry->d_inode; 1106 struct inode *new_inode = new_dentry->d_inode;
1145 struct udf_fileident_bh ofibh, nfibh; 1107 struct udf_fileident_bh ofibh, nfibh;
1146 struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = 1108 struct fileIdentDesc *ofi = NULL, *nfi = NULL, *dir_fi = NULL, ocfi, ncfi;
1147 NULL, ocfi, ncfi;
1148 struct buffer_head *dir_bh = NULL; 1109 struct buffer_head *dir_bh = NULL;
1149 int retval = -ENOENT; 1110 int retval = -ENOENT;
1150 kernel_lb_addr tloc; 1111 kernel_lb_addr tloc;
@@ -1181,36 +1142,27 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1181 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { 1142 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
1182 dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) - 1143 dir_fi = udf_get_fileident(UDF_I_DATA(old_inode) -
1183 (UDF_I_EFE(old_inode) ? 1144 (UDF_I_EFE(old_inode) ?
1184 sizeof(struct 1145 sizeof(struct extendedFileEntry) :
1185 extendedFileEntry) :
1186 sizeof(struct fileEntry)), 1146 sizeof(struct fileEntry)),
1187 old_inode->i_sb->s_blocksize, 1147 old_inode->i_sb->s_blocksize, &offset);
1188 &offset);
1189 } else { 1148 } else {
1190 dir_bh = udf_bread(old_inode, 0, 0, &retval); 1149 dir_bh = udf_bread(old_inode, 0, 0, &retval);
1191 if (!dir_bh) 1150 if (!dir_bh)
1192 goto end_rename; 1151 goto end_rename;
1193 dir_fi = 1152 dir_fi = udf_get_fileident(dir_bh->b_data, old_inode->i_sb->s_blocksize, &offset);
1194 udf_get_fileident(dir_bh->b_data,
1195 old_inode->i_sb->s_blocksize,
1196 &offset);
1197 } 1153 }
1198 if (!dir_fi) 1154 if (!dir_fi)
1199 goto end_rename; 1155 goto end_rename;
1200 tloc = lelb_to_cpu(dir_fi->icb.extLocation); 1156 tloc = lelb_to_cpu(dir_fi->icb.extLocation);
1201 if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) 1157 if (udf_get_lb_pblock(old_inode->i_sb, tloc, 0) != old_dir->i_ino)
1202 != old_dir->i_ino)
1203 goto end_rename; 1158 goto end_rename;
1204 1159
1205 retval = -EMLINK; 1160 retval = -EMLINK;
1206 if (!new_inode 1161 if (!new_inode && new_dir->i_nlink >= (256 << sizeof(new_dir->i_nlink)) - 1)
1207 && new_dir->i_nlink >=
1208 (256 << sizeof(new_dir->i_nlink)) - 1)
1209 goto end_rename; 1162 goto end_rename;
1210 } 1163 }
1211 if (!nfi) { 1164 if (!nfi) {
1212 nfi = 1165 nfi = udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
1213 udf_add_entry(new_dir, new_dentry, &nfibh, &ncfi, &retval);
1214 if (!nfi) 1166 if (!nfi)
1215 goto end_rename; 1167 goto end_rename;
1216 } 1168 }
@@ -1244,13 +1196,12 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1244 if (dir_fi) { 1196 if (dir_fi) {
1245 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir)); 1197 dir_fi->icb.extLocation = cpu_to_lelb(UDF_I_LOCATION(new_dir));
1246 udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) + 1198 udf_update_tag((char *)dir_fi, (sizeof(struct fileIdentDesc) +
1247 le16_to_cpu(dir_fi-> 1199 le16_to_cpu(dir_fi->lengthOfImpUse) + 3) & ~3);
1248 lengthOfImpUse) +
1249 3) & ~3);
1250 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) { 1200 if (UDF_I_ALLOCTYPE(old_inode) == ICBTAG_FLAG_AD_IN_ICB) {
1251 mark_inode_dirty(old_inode); 1201 mark_inode_dirty(old_inode);
1252 } else 1202 } else {
1253 mark_buffer_dirty_inode(dir_bh, old_inode); 1203 mark_buffer_dirty_inode(dir_bh, old_inode);
1204 }
1254 inode_dec_link_count(old_dir); 1205 inode_dec_link_count(old_dir);
1255 if (new_inode) { 1206 if (new_inode) {
1256 inode_dec_link_count(new_inode); 1207 inode_dec_link_count(new_inode);
@@ -1268,7 +1219,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1268 1219
1269 retval = 0; 1220 retval = 0;
1270 1221
1271 end_rename: 1222end_rename:
1272 brelse(dir_bh); 1223 brelse(dir_bh);
1273 if (nfi) { 1224 if (nfi) {
1274 if (nfibh.sbh != nfibh.ebh) 1225 if (nfibh.sbh != nfibh.ebh)
@@ -1276,17 +1227,18 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
1276 brelse(nfibh.sbh); 1227 brelse(nfibh.sbh);
1277 } 1228 }
1278 unlock_kernel(); 1229 unlock_kernel();
1230
1279 return retval; 1231 return retval;
1280} 1232}
1281 1233
1282const struct inode_operations udf_dir_inode_operations = { 1234const struct inode_operations udf_dir_inode_operations = {
1283 .lookup = udf_lookup, 1235 .lookup = udf_lookup,
1284 .create = udf_create, 1236 .create = udf_create,
1285 .link = udf_link, 1237 .link = udf_link,
1286 .unlink = udf_unlink, 1238 .unlink = udf_unlink,
1287 .symlink = udf_symlink, 1239 .symlink = udf_symlink,
1288 .mkdir = udf_mkdir, 1240 .mkdir = udf_mkdir,
1289 .rmdir = udf_rmdir, 1241 .rmdir = udf_rmdir,
1290 .mknod = udf_mknod, 1242 .mknod = udf_mknod,
1291 .rename = udf_rename, 1243 .rename = udf_rename,
1292}; 1244};
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-14 12:30:14 -0500