26 	struct jffs2_sb_info *c;  member
32 static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_…
33 static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
34 static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
36 static void jffs2_erase_block(struct jffs2_sb_info *c,  in jffs2_erase_block()  argument
42        ret = jffs2_flash_erase(c, jeb);  in jffs2_erase_block()
44 	       jffs2_erase_succeeded(c, jeb);  in jffs2_erase_block()
53 		  jeb->offset, jeb->offset, jeb->offset + c->sector_size);  in jffs2_erase_block()
57 		mutex_lock(&c->erase_free_sem);  in jffs2_erase_block()
58 		spin_lock(&c->erase_completion_lock);  in jffs2_erase_block()
59 		list_move(&jeb->list, &c->erase_pending_list);  in jffs2_erase_block()
60 		c->erasing_size -= c->sector_size;  in jffs2_erase_block()
61 		c->dirty_size += c->sector_size;  in jffs2_erase_block()
62 		jeb->dirty_size = c->sector_size;  in jffs2_erase_block()
63 		spin_unlock(&c->erase_completion_lock);  in jffs2_erase_block()
64 		mutex_unlock(&c->erase_free_sem);  in jffs2_erase_block()
70 	instr->mtd = c->mtd;  in jffs2_erase_block()
72 	instr->len = c->sector_size;  in jffs2_erase_block()
77 	((struct erase_priv_struct *)instr->priv)->c = c;  in jffs2_erase_block()
79 	ret = mtd_erase(c->mtd, instr);  in jffs2_erase_block()
91 		mutex_lock(&c->erase_free_sem);  in jffs2_erase_block()
92 		spin_lock(&c->erase_completion_lock);  in jffs2_erase_block()
93 		list_move(&jeb->list, &c->erase_pending_list);  in jffs2_erase_block()
94 		c->erasing_size -= c->sector_size;  in jffs2_erase_block()
95 		c->dirty_size += c->sector_size;  in jffs2_erase_block()
96 		jeb->dirty_size = c->sector_size;  in jffs2_erase_block()
97 		spin_unlock(&c->erase_completion_lock);  in jffs2_erase_block()
98 		mutex_unlock(&c->erase_free_sem);  in jffs2_erase_block()
109 	jffs2_erase_failed(c, jeb, bad_offset);  in jffs2_erase_block()
112 int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)  in jffs2_erase_pending_blocks()  argument
117 	mutex_lock(&c->erase_free_sem);  in jffs2_erase_pending_blocks()
119 	spin_lock(&c->erase_completion_lock);  in jffs2_erase_pending_blocks()
121 	while (!list_empty(&c->erase_complete_list) ||  in jffs2_erase_pending_blocks()
122 	       !list_empty(&c->erase_pending_list)) {  in jffs2_erase_pending_blocks()
124 		if (!list_empty(&c->erase_complete_list)) {  in jffs2_erase_pending_blocks()
125 			jeb = list_entry(c->erase_complete_list.next, struct jffs2_eraseblock, list);  in jffs2_erase_pending_blocks()
126 			list_move(&jeb->list, &c->erase_checking_list);  in jffs2_erase_pending_blocks()
127 			spin_unlock(&c->erase_completion_lock);  in jffs2_erase_pending_blocks()
128 			mutex_unlock(&c->erase_free_sem);  in jffs2_erase_pending_blocks()
129 			jffs2_mark_erased_block(c, jeb);  in jffs2_erase_pending_blocks()
137 		} else if (!list_empty(&c->erase_pending_list)) {  in jffs2_erase_pending_blocks()
138 			jeb = list_entry(c->erase_pending_list.next, struct jffs2_eraseblock, list);  in jffs2_erase_pending_blocks()
142 			c->erasing_size += c->sector_size;  in jffs2_erase_pending_blocks()
143 			c->wasted_size -= jeb->wasted_size;  in jffs2_erase_pending_blocks()
144 			c->free_size -= jeb->free_size;  in jffs2_erase_pending_blocks()
145 			c->used_size -= jeb->used_size;  in jffs2_erase_pending_blocks()
146 			c->dirty_size -= jeb->dirty_size;  in jffs2_erase_pending_blocks()
148 			jffs2_free_jeb_node_refs(c, jeb);  in jffs2_erase_pending_blocks()
149 			list_add(&jeb->list, &c->erasing_list);  in jffs2_erase_pending_blocks()
150 			spin_unlock(&c->erase_completion_lock);  in jffs2_erase_pending_blocks()
151 			mutex_unlock(&c->erase_free_sem);  in jffs2_erase_pending_blocks()
153 			jffs2_erase_block(c, jeb);  in jffs2_erase_pending_blocks()
161 		mutex_lock(&c->erase_free_sem);  in jffs2_erase_pending_blocks()
162 		spin_lock(&c->erase_completion_lock);  in jffs2_erase_pending_blocks()
165 	spin_unlock(&c->erase_completion_lock);  in jffs2_erase_pending_blocks()
166 	mutex_unlock(&c->erase_free_sem);  in jffs2_erase_pending_blocks()
172 static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)  in jffs2_erase_succeeded()  argument
175 	mutex_lock(&c->erase_free_sem);  in jffs2_erase_succeeded()
176 	spin_lock(&c->erase_completion_lock);  in jffs2_erase_succeeded()
177 	list_move_tail(&jeb->list, &c->erase_complete_list);  in jffs2_erase_succeeded()
179 	jffs2_garbage_collect_trigger(c);  in jffs2_erase_succeeded()
180 	spin_unlock(&c->erase_completion_lock);  in jffs2_erase_succeeded()
181 	mutex_unlock(&c->erase_free_sem);  in jffs2_erase_succeeded()
182 	wake_up(&c->erase_wait);  in jffs2_erase_succeeded()
185 static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_…  in jffs2_erase_failed()  argument
189 	if (jffs2_cleanmarker_oob(c) && (bad_offset != (uint32_t)MTD_FAIL_ADDR_UNKNOWN)) {  in jffs2_erase_failed()
192 		if (!jffs2_write_nand_badblock(c, jeb, bad_offset)) {  in jffs2_erase_failed()
194 			mutex_lock(&c->erase_free_sem);  in jffs2_erase_failed()
195 			spin_lock(&c->erase_completion_lock);  in jffs2_erase_failed()
196 			list_move(&jeb->list, &c->erase_pending_list);  in jffs2_erase_failed()
197 			c->erasing_size -= c->sector_size;  in jffs2_erase_failed()
198 			c->dirty_size += c->sector_size;  in jffs2_erase_failed()
199 			jeb->dirty_size = c->sector_size;  in jffs2_erase_failed()
200 			spin_unlock(&c->erase_completion_lock);  in jffs2_erase_failed()
201 			mutex_unlock(&c->erase_free_sem);  in jffs2_erase_failed()
206 	mutex_lock(&c->erase_free_sem);  in jffs2_erase_failed()
207 	spin_lock(&c->erase_completion_lock);  in jffs2_erase_failed()
208 	c->erasing_size -= c->sector_size;  in jffs2_erase_failed()
209 	c->bad_size += c->sector_size;  in jffs2_erase_failed()
210 	list_move(&jeb->list, &c->bad_list);  in jffs2_erase_failed()
211 	c->nr_erasing_blocks--;  in jffs2_erase_failed()
212 	spin_unlock(&c->erase_completion_lock);  in jffs2_erase_failed()
213 	mutex_unlock(&c->erase_free_sem);  in jffs2_erase_failed()
214 	wake_up(&c->erase_wait);  in jffs2_erase_failed()
225 		jffs2_erase_failed(priv->c, priv->jeb, instr->fail_addr);  in jffs2_erase_callback()
227 		jffs2_erase_succeeded(priv->c, priv->jeb);  in jffs2_erase_callback()
235 static inline void jffs2_remove_node_refs_from_ino_list(struct jffs2_sb_info *c,  in jffs2_remove_node_refs_from_ino_list()  argument
279 		  jeb->offset, jeb->offset + c->sector_size, ic->ino);  in jffs2_remove_node_refs_from_ino_list()
304 			jffs2_release_xattr_datum(c, (struct jffs2_xattr_datum *)ic);  in jffs2_remove_node_refs_from_ino_list()
307 			jffs2_release_xattr_ref(c, (struct jffs2_xattr_ref *)ic);  in jffs2_remove_node_refs_from_ino_list()
312 				jffs2_del_ino_cache(c, ic);  in jffs2_remove_node_refs_from_ino_list()
316 void jffs2_free_jeb_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)  in jffs2_free_jeb_node_refs()  argument
332 			jffs2_remove_node_refs_from_ino_list(c, ref, jeb);  in jffs2_free_jeb_node_refs()
340 static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t …  in jffs2_block_check_erase()  argument
348 	ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen,  in jffs2_block_check_erase()
355 		if (retlen < c->sector_size) {  in jffs2_block_check_erase()
359 			mtd_unpoint(c->mtd, jeb->offset, retlen);  in jffs2_block_check_erase()
368 		mtd_unpoint(c->mtd, jeb->offset, c->sector_size);  in jffs2_block_check_erase()
373 				c->sector_size-retlen * sizeof(*wordebuf));  in jffs2_block_check_erase()
388 	for (ofs = jeb->offset; ofs < jeb->offset + c->sector_size; ) {  in jffs2_block_check_erase()
389 		uint32_t readlen = min((uint32_t)PAGE_SIZE, jeb->offset + c->sector_size - ofs);  in jffs2_block_check_erase()
394 		ret = mtd_read(c->mtd, ofs, readlen, &retlen, ebuf);  in jffs2_block_check_erase()
427 static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)  in jffs2_mark_erased_block()  argument
433 	switch (jffs2_block_check_erase(c, jeb, &bad_offset)) {  in jffs2_mark_erased_block()
443 	if (jffs2_cleanmarker_oob(c) || c->cleanmarker_size == 0) {  in jffs2_mark_erased_block()
445 		if (jffs2_cleanmarker_oob(c)) {  in jffs2_mark_erased_block()
446 			if (jffs2_write_nand_cleanmarker(c, jeb))  in jffs2_mark_erased_block()
455 			.totlen =	cpu_to_je32(c->cleanmarker_size)  in jffs2_mark_erased_block()
458 		jffs2_prealloc_raw_node_refs(c, jeb, 1);  in jffs2_mark_erased_block()
464 		ret = jffs2_flash_direct_writev(c, vecs, 1, jeb->offset, &retlen);  in jffs2_mark_erased_block()
478 	jeb->free_size = c->sector_size;  in jffs2_mark_erased_block()
480 	mutex_lock(&c->erase_free_sem);  in jffs2_mark_erased_block()
481 	spin_lock(&c->erase_completion_lock);  in jffs2_mark_erased_block()
483 	c->erasing_size -= c->sector_size;  in jffs2_mark_erased_block()
484 	c->free_size += c->sector_size;  in jffs2_mark_erased_block()
487 	if (c->cleanmarker_size && !jffs2_cleanmarker_oob(c))  in jffs2_mark_erased_block()
488 		jffs2_link_node_ref(c, jeb, jeb->offset | REF_NORMAL, c->cleanmarker_size, NULL);  in jffs2_mark_erased_block()
490 	list_move_tail(&jeb->list, &c->free_list);  in jffs2_mark_erased_block()
491 	c->nr_erasing_blocks--;  in jffs2_mark_erased_block()
492 	c->nr_free_blocks++;  in jffs2_mark_erased_block()
494 	jffs2_dbg_acct_sanity_check_nolock(c, jeb);  in jffs2_mark_erased_block()
495 	jffs2_dbg_acct_paranoia_check_nolock(c, jeb);  in jffs2_mark_erased_block()
497 	spin_unlock(&c->erase_completion_lock);  in jffs2_mark_erased_block()
498 	mutex_unlock(&c->erase_free_sem);  in jffs2_mark_erased_block()
499 	wake_up(&c->erase_wait);  in jffs2_mark_erased_block()
503 	jffs2_erase_failed(c, jeb, bad_offset);  in jffs2_mark_erased_block()
508 	mutex_lock(&c->erase_free_sem);  in jffs2_mark_erased_block()
509 	spin_lock(&c->erase_completion_lock);  in jffs2_mark_erased_block()
510 	jffs2_garbage_collect_trigger(c);  in jffs2_mark_erased_block()
511 	list_move(&jeb->list, &c->erase_complete_list);  in jffs2_mark_erased_block()
512 	spin_unlock(&c->erase_completion_lock);  in jffs2_mark_erased_block()
513 	mutex_unlock(&c->erase_free_sem);  in jffs2_mark_erased_block()