kernel/3.1[02]: move MTD root device setup code to mtdcore
[openwrt/svn-archive/archive.git] / target / linux / generic / patches-3.10 / 512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch
1 --- a/fs/yaffs2/yaffs_vfs_glue.c
2 +++ b/fs/yaffs2/yaffs_vfs_glue.c
3 @@ -243,11 +243,10 @@ static inline void yaffs_dec_link_count(
4 }
5 #endif
6
7 -
8 #define update_dir_time(dir) do {\
9 (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \
10 } while(0)
11 -
12 +
13 static void yaffs_put_super(struct super_block *sb);
14
15 static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n,
16 @@ -397,6 +396,33 @@ static struct address_space_operations y
17 #endif
18 };
19
20 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
21 +#define YCRED_FSUID() from_kuid(&init_user_ns, current_fsuid())
22 +#define YCRED_FSGID() from_kgid(&init_user_ns, current_fsgid())
23 +#else
24 +#define YCRED_FSUID() YCRED(current)->fsuid
25 +#define YCRED_FSGID() YCRED(current)->fsgid
26 +
27 +static inline uid_t i_uid_read(const struct inode *inode)
28 +{
29 + return inode->i_uid;
30 +}
31 +
32 +static inline gid_t i_gid_read(const struct inode *inode)
33 +{
34 + return inode->i_gid;
35 +}
36 +
37 +static inline void i_uid_write(struct inode *inode, uid_t uid)
38 +{
39 + inode->i_uid = uid;
40 +}
41 +
42 +static inline void i_gid_write(struct inode *inode, gid_t gid)
43 +{
44 + inode->i_gid = gid;
45 +}
46 +#endif
47
48 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22))
49 static const struct file_operations yaffs_file_operations = {
50 @@ -549,7 +575,7 @@ static unsigned yaffs_gc_control_callbac
51 {
52 return yaffs_gc_control;
53 }
54 -
55 +
56 static void yaffs_gross_lock(yaffs_dev_t *dev)
57 {
58 T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current));
59 @@ -1379,8 +1405,8 @@ static void yaffs_fill_inode_from_obj(st
60
61 inode->i_ino = obj->obj_id;
62 inode->i_mode = obj->yst_mode;
63 - inode->i_uid = obj->yst_uid;
64 - inode->i_gid = obj->yst_gid;
65 + i_uid_write(inode, obj->yst_uid);
66 + i_gid_write(inode, obj->yst_gid);
67 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
68 inode->i_blksize = inode->i_sb->s_blocksize;
69 #endif
70 @@ -1406,7 +1432,7 @@ static void yaffs_fill_inode_from_obj(st
71
72 T(YAFFS_TRACE_OS,
73 (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"),
74 - inode->i_mode, inode->i_uid, inode->i_gid,
75 + inode->i_mode, i_uid_read(inode), i_gid_read(inode),
76 (int)inode->i_size, atomic_read(&inode->i_count)));
77
78 switch (obj->yst_mode & S_IFMT) {
79 @@ -1715,8 +1741,8 @@ static int yaffs_mknod(struct inode *dir
80 yaffs_obj_t *parent = yaffs_InodeToObject(dir);
81
82 int error = -ENOSPC;
83 - uid_t uid = YCRED(current)->fsuid;
84 - gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
85 + uid_t uid = YCRED_FSUID();
86 + gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
87
88 if ((dir->i_mode & S_ISGID) && S_ISDIR(mode))
89 mode |= S_ISGID;
90 @@ -1892,8 +1918,8 @@ static int yaffs_symlink(struct inode *d
91 {
92 yaffs_obj_t *obj;
93 yaffs_dev_t *dev;
94 - uid_t uid = YCRED(current)->fsuid;
95 - gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid;
96 + uid_t uid = YCRED_FSUID();
97 + gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID();
98
99 T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n")));
100
101 @@ -2009,7 +2035,7 @@ static int yaffs_setattr(struct dentry *
102 (TSTR("yaffs_setattr of object %d\n"),
103 yaffs_InodeToObject(inode)->obj_id));
104
105 - /* Fail if a requested resize >= 2GB */
106 + /* Fail if a requested resize >= 2GB */
107 if (attr->ia_valid & ATTR_SIZE &&
108 (attr->ia_size >> 31))
109 error = -EINVAL;
110 @@ -2240,7 +2266,7 @@ static void yaffs_flush_inodes(struct su
111 {
112 struct inode *iptr;
113 yaffs_obj_t *obj;
114 -
115 +
116 list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){
117 obj = yaffs_InodeToObject(iptr);
118 if(obj){
119 @@ -2254,10 +2280,10 @@ static void yaffs_flush_inodes(struct su
120
121 static void yaffs_flush_super(struct super_block *sb, int do_checkpoint)
122 {
123 - yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
124 + yaffs_dev_t *dev = yaffs_SuperToDevice(sb);
125 if(!dev)
126 return;
127 -
128 +
129 yaffs_flush_inodes(sb);
130 yaffs_update_dirty_dirs(dev);
131 yaffs_flush_whole_cache(dev);
132 @@ -2325,7 +2351,7 @@ static int yaffs_do_sync_fs(struct super
133 * yaffs_bg_start() launches the background thread.
134 * yaffs_bg_stop() cleans up the background thread.
135 *
136 - * NB:
137 + * NB:
138 * The thread should only run after the yaffs is initialised
139 * The thread should be stopped before yaffs is unmounted.
140 * The thread should not do any writing while the fs is in read only.
141 @@ -2924,7 +2950,7 @@ static struct super_block *yaffs_interna
142
143 dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL);
144 context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL);
145 -
146 +
147 if(!dev || !context ){
148 if(dev)
149 kfree(dev);
150 @@ -2957,7 +2983,7 @@ static struct super_block *yaffs_interna
151 #else
152 sb->u.generic_sbp = dev;
153 #endif
154 -
155 +
156 dev->driver_context = mtd;
157 param->name = mtd->name;
158
159 @@ -3057,7 +3083,7 @@ static struct super_block *yaffs_interna
160 param->gc_control = yaffs_gc_control_callback;
161
162 yaffs_dev_to_lc(dev)->superBlock= sb;
163 -
164 +
165
166 #ifndef CONFIG_YAFFS_DOES_ECC
167 param->use_nand_ecc = 1;
168 @@ -3099,10 +3125,10 @@ static struct super_block *yaffs_interna
169 T(YAFFS_TRACE_OS,
170 (TSTR("yaffs_read_super: guts initialised %s\n"),
171 (err == YAFFS_OK) ? "OK" : "FAILED"));
172 -
173 +
174 if(err == YAFFS_OK)
175 yaffs_bg_start(dev);
176 -
177 +
178 if(!context->bgThread)
179 param->defered_dir_update = 0;
180
181 @@ -3345,7 +3371,7 @@ static int yaffs_proc_read(char *page,
182 buf += sprintf(buf,"\n");
183 else {
184 step-=2;
185 -
186 +
187 mutex_lock(&yaffs_context_lock);
188
189 /* Locate and print the Nth entry. Order N-squared but N is small. */
190 @@ -3362,7 +3388,7 @@ static int yaffs_proc_read(char *page,
191 buf = yaffs_dump_dev_part0(buf, dev);
192 } else
193 buf = yaffs_dump_dev_part1(buf, dev);
194 -
195 +
196 break;
197 }
198 mutex_unlock(&yaffs_context_lock);
199 @@ -3389,7 +3415,7 @@ static int yaffs_stats_proc_read(char *p
200 int erasedChunks;
201
202 erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block;
203 -
204 +
205 buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n",
206 n, dev->n_free_chunks, erasedChunks,
207 dev->bg_gcs, dev->oldest_dirty_gc_count,
208 --- a/fs/yaffs2/yaffs_guts.c
209 +++ b/fs/yaffs2/yaffs_guts.c
210 @@ -370,7 +370,7 @@ static int yaffs_verify_chunk_written(ya
211 yaffs_ext_tags tempTags;
212 __u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__);
213 int result;
214 -
215 +
216 result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags);
217 if(memcmp(buffer,data,dev->data_bytes_per_chunk) ||
218 tempTags.obj_id != tags->obj_id ||
219 @@ -424,7 +424,7 @@ static int yaffs_write_new_chunk(struct
220 * lot of checks that are most likely not needed.
221 *
222 * Mods to the above
223 - * If an erase check fails or the write fails we skip the
224 + * If an erase check fails or the write fails we skip the
225 * rest of the block.
226 */
227
228 @@ -486,7 +486,7 @@ static int yaffs_write_new_chunk(struct
229 }
230
231
232 -
233 +
234 /*
235 * Block retiring for handling a broken block.
236 */
237 @@ -496,7 +496,7 @@ static void yaffs_retire_block(yaffs_dev
238 yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block);
239
240 yaffs2_checkpt_invalidate(dev);
241 -
242 +
243 yaffs2_clear_oldest_dirty_seq(dev,bi);
244
245 if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) {
246 @@ -899,7 +899,7 @@ static int yaffs_find_chunk_in_group(yaf
247 for (j = 0; theChunk && j < dev->chunk_grp_size; j++) {
248 if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block,
249 theChunk % dev->param.chunks_per_block)) {
250 -
251 +
252 if(dev->chunk_grp_size == 1)
253 return theChunk;
254 else {
255 @@ -1802,7 +1802,7 @@ int yaffs_rename_obj(yaffs_obj_t *old_di
256 yaffs_update_parent(old_dir);
257 if(new_dir != old_dir)
258 yaffs_update_parent(new_dir);
259 -
260 +
261 return result;
262 }
263 return YAFFS_FAIL;
264 @@ -2125,7 +2125,7 @@ static int yaffs_gc_block(yaffs_dev_t *d
265
266 if(bi->block_state == YAFFS_BLOCK_STATE_FULL)
267 bi->block_state = YAFFS_BLOCK_STATE_COLLECTING;
268 -
269 +
270 bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */
271
272 dev->gc_disable = 1;
273 @@ -2207,7 +2207,7 @@ static int yaffs_gc_block(yaffs_dev_t *d
274 * No need to copy this, just forget about it and
275 * fix up the object.
276 */
277 -
278 +
279 /* Free chunks already includes softdeleted chunks.
280 * How ever this chunk is going to soon be really deleted
281 * which will increment free chunks.
282 @@ -2752,7 +2752,7 @@ int yaffs_put_chunk_in_file(yaffs_obj_t
283 NULL);
284 if (!tn)
285 return YAFFS_FAIL;
286 -
287 +
288 if(!nand_chunk)
289 /* Dummy insert, bail now */
290 return YAFFS_OK;
291 @@ -2881,7 +2881,7 @@ void yaffs_chunk_del(yaffs_dev_t *dev, i
292 chunk_id));
293
294 bi = yaffs_get_block_info(dev, block);
295 -
296 +
297 yaffs2_update_oldest_dirty_seq(dev, block, bi);
298
299 T(YAFFS_TRACE_DELETION,
300 @@ -2966,8 +2966,8 @@ static int yaffs_wr_data_obj(yaffs_obj_t
301 (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes));
302 YBUG();
303 }
304 -
305 -
306 +
307 +
308 newChunkId =
309 yaffs_write_new_chunk(dev, buffer, &newTags,
310 useReserve);
311 @@ -3795,14 +3795,14 @@ int yaffs_resize_file(yaffs_obj_t *in, l
312
313 if (new_size == oldFileSize)
314 return YAFFS_OK;
315 -
316 +
317 if(new_size > oldFileSize){
318 yaffs2_handle_hole(in,new_size);
319 in->variant.file_variant.file_size = new_size;
320 } else {
321 - /* new_size < oldFileSize */
322 + /* new_size < oldFileSize */
323 yaffs_resize_file_down(in, new_size);
324 - }
325 + }
326
327 /* Write a new object header to reflect the resize.
328 * show we've shrunk the file, if need be
329 @@ -4231,7 +4231,7 @@ static void yaffs_strip_deleted_objs(yaf
330 * This fixes the problem where directories might have inadvertently been deleted
331 * leaving the object "hanging" without being rooted in the directory tree.
332 */
333 -
334 +
335 static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj)
336 {
337 return (obj == dev->del_dir ||
338 @@ -4262,7 +4262,7 @@ static void yaffs_fix_hanging_objs(yaffs
339 if (lh) {
340 obj = ylist_entry(lh, yaffs_obj_t, hash_link);
341 parent= obj->parent;
342 -
343 +
344 if(yaffs_has_null_parent(dev,obj)){
345 /* These directories are not hanging */
346 hanging = 0;
347 @@ -4311,7 +4311,7 @@ static void yaffs_del_dir_contents(yaffs
348
349 if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY)
350 YBUG();
351 -
352 +
353 ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) {
354 if (lh) {
355 obj = ylist_entry(lh, yaffs_obj_t, siblings);
356 @@ -4325,10 +4325,10 @@ static void yaffs_del_dir_contents(yaffs
357 /* Need to use UnlinkObject since Delete would not handle
358 * hardlinked objects correctly.
359 */
360 - yaffs_unlink_obj(obj);
361 + yaffs_unlink_obj(obj);
362 }
363 }
364 -
365 +
366 }
367
368 static void yaffs_empty_l_n_f(yaffs_dev_t *dev)
369 @@ -4410,7 +4410,7 @@ static void yaffs_check_obj_details_load
370 * If the directory updating is defered then yaffs_update_dirty_dirs must be
371 * called periodically.
372 */
373 -
374 +
375 static void yaffs_update_parent(yaffs_obj_t *obj)
376 {
377 yaffs_dev_t *dev;
378 @@ -4422,8 +4422,8 @@ static void yaffs_update_parent(yaffs_ob
379 obj->dirty = 1;
380 obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME;
381 if(dev->param.defered_dir_update){
382 - struct ylist_head *link = &obj->variant.dir_variant.dirty;
383 -
384 + struct ylist_head *link = &obj->variant.dir_variant.dirty;
385 +
386 if(ylist_empty(link)){
387 ylist_add(link,&dev->dirty_dirs);
388 T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id));
389 @@ -4446,7 +4446,7 @@ void yaffs_update_dirty_dirs(yaffs_dev_t
390 while(!ylist_empty(&dev->dirty_dirs)){
391 link = dev->dirty_dirs.next;
392 ylist_del_init(link);
393 -
394 +
395 dS=ylist_entry(link,yaffs_dir_s,dirty);
396 oV = ylist_entry(dS,yaffs_obj_variant,dir_variant);
397 obj = ylist_entry(oV,yaffs_obj_t,variant);
398 @@ -4474,7 +4474,7 @@ static void yaffs_remove_obj_from_dir(ya
399
400 ylist_del_init(&obj->siblings);
401 obj->parent = NULL;
402 -
403 +
404 yaffs_verify_dir(parent);
405 }
406
407 @@ -4645,7 +4645,7 @@ yaffs_obj_t *yaffs_get_equivalent_obj(ya
408 * system to share files.
409 *
410 * These automatic unicode are stored slightly differently...
411 - * - If the name can fit in the ASCII character space then they are saved as
412 + * - If the name can fit in the ASCII character space then they are saved as
413 * ascii names as per above.
414 * - If the name needs Unicode then the name is saved in Unicode
415 * starting at oh->name[1].
416 @@ -4686,7 +4686,7 @@ static void yaffs_load_name_from_oh(yaff
417 asciiOhName++;
418 n--;
419 }
420 - } else
421 + } else
422 yaffs_strncpy(name,ohName+1, bufferSize -1);
423 } else
424 #endif
425 @@ -4705,7 +4705,7 @@ static void yaffs_load_oh_from_name(yaff
426
427 isAscii = 1;
428 w = name;
429 -
430 +
431 /* Figure out if the name will fit in ascii character set */
432 while(isAscii && *w){
433 if((*w) & 0xff00)
434 @@ -4729,7 +4729,7 @@ static void yaffs_load_oh_from_name(yaff
435 yaffs_strncpy(ohName+1,name, YAFFS_MAX_NAME_LENGTH -2);
436 }
437 }
438 - else
439 + else
440 #endif
441 yaffs_strncpy(ohName,name, YAFFS_MAX_NAME_LENGTH - 1);
442
443 @@ -4738,12 +4738,12 @@ static void yaffs_load_oh_from_name(yaff
444 int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size)
445 {
446 memset(name, 0, buffer_size * sizeof(YCHAR));
447 -
448 +
449 yaffs_check_obj_details_loaded(obj);
450
451 if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
452 yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
453 - }
454 + }
455 #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM
456 else if (obj->short_name[0]) {
457 yaffs_strcpy(name, obj->short_name);
458 @@ -4861,9 +4861,9 @@ int yaffs_set_attribs(yaffs_obj_t *obj,
459 if (valid & ATTR_MODE)
460 obj->yst_mode = attr->ia_mode;
461 if (valid & ATTR_UID)
462 - obj->yst_uid = attr->ia_uid;
463 + obj->yst_uid = ia_uid_read(attr);
464 if (valid & ATTR_GID)
465 - obj->yst_gid = attr->ia_gid;
466 + obj->yst_gid = ia_gid_read(attr);
467
468 if (valid & ATTR_ATIME)
469 obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime);
470 @@ -4886,9 +4886,9 @@ int yaffs_get_attribs(yaffs_obj_t *obj,
471
472 attr->ia_mode = obj->yst_mode;
473 valid |= ATTR_MODE;
474 - attr->ia_uid = obj->yst_uid;
475 + ia_uid_write(attr, obj->yst_uid);
476 valid |= ATTR_UID;
477 - attr->ia_gid = obj->yst_gid;
478 + ia_gid_write(attr, obj->yst_gid);
479 valid |= ATTR_GID;
480
481 Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime;
482 --- a/fs/yaffs2/yportenv.h
483 +++ b/fs/yaffs2/yportenv.h
484 @@ -170,7 +170,7 @@
485 #define O_RDWR 02
486 #endif
487
488 -#ifndef O_CREAT
489 +#ifndef O_CREAT
490 #define O_CREAT 0100
491 #endif
492
493 @@ -218,7 +218,7 @@
494 #define EACCES 13
495 #endif
496
497 -#ifndef EXDEV
498 +#ifndef EXDEV
499 #define EXDEV 18
500 #endif
501
502 @@ -281,7 +281,7 @@
503 #define S_IFREG 0100000
504 #endif
505
506 -#ifndef S_IREAD
507 +#ifndef S_IREAD
508 #define S_IREAD 0000400
509 #endif
510
511 --- a/fs/yaffs2/devextras.h
512 +++ b/fs/yaffs2/devextras.h
513 @@ -87,6 +87,8 @@ struct iattr {
514 unsigned int ia_attr_flags;
515 };
516
517 +/* TODO: add ia_* functions */
518 +
519 #endif
520
521 #else
522 @@ -95,7 +97,48 @@ struct iattr {
523 #include <linux/fs.h>
524 #include <linux/stat.h>
525
526 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0))
527 +static inline uid_t ia_uid_read(const struct iattr *iattr)
528 +{
529 + return from_kuid(&init_user_ns, iattr->ia_uid);
530 +}
531 +
532 +static inline gid_t ia_gid_read(const struct iattr *iattr)
533 +{
534 + return from_kgid(&init_user_ns, iattr->ia_gid);
535 +}
536 +
537 +static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
538 +{
539 + iattr->ia_uid = make_kuid(&init_user_ns, uid);
540 +}
541 +
542 +static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
543 +{
544 + iattr->ia_gid = make_kgid(&init_user_ns, gid);
545 +}
546 +#else
547 +static inline uid_t ia_uid_read(const struct iattr *iattr)
548 +{
549 + return iattr->ia_uid;
550 +}
551 +
552 +static inline gid_t ia_gid_read(const struct iattr *inode)
553 +{
554 + return iattr->ia_gid;
555 +}
556 +
557 +static inline void ia_uid_write(struct iattr *iattr, uid_t uid)
558 +{
559 + iattr->ia_uid = uid;
560 +}
561 +
562 +static inline void ia_gid_write(struct iattr *iattr, gid_t gid)
563 +{
564 + iattr->ia_gid = gid;
565 +}
566 #endif
567
568 +#endif
569
570 #endif