76 	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);  in jffs2_statfs()  local
81 	buf->f_blocks = c->flash_size >> PAGE_SHIFT;  in jffs2_statfs()
86 	spin_lock_bh(&c->erase_completion_lock);  in jffs2_statfs()
88 	avail = c->dirty_size + c->free_size;  in jffs2_statfs()
89 	if (avail > c->sector_size * JFFS2_RESERVED_BLOCKS_WRITE)  in jffs2_statfs()
90 		avail -= c->sector_size * JFFS2_RESERVED_BLOCKS_WRITE;  in jffs2_statfs()
98 	printk(KERN_DEBUG "flash_size: %08x\n", c->flash_size);  in jffs2_statfs()
99 	printk(KERN_DEBUG "used_size: %08x\n", c->used_size);  in jffs2_statfs()
100 	printk(KERN_DEBUG "dirty_size: %08x\n", c->dirty_size);  in jffs2_statfs()
101 	printk(KERN_DEBUG "free_size: %08x\n", c->free_size);  in jffs2_statfs()
102 	printk(KERN_DEBUG "erasing_size: %08x\n", c->erasing_size);  in jffs2_statfs()
103 	printk(KERN_DEBUG "bad_size: %08x\n", c->bad_size);  in jffs2_statfs()
104 	printk(KERN_DEBUG "sector_size: %08x\n", c->sector_size);  in jffs2_statfs()
106 	if (c->nextblock) {  in jffs2_statfs()
107 		printk(KERN_DEBUG "nextblock: 0x%08x\n", c->nextblock->offset);  in jffs2_statfs()
111 	if (c->gcblock) {  in jffs2_statfs()
112 		printk(KERN_DEBUG "gcblock: 0x%08x\n", c->gcblock->offset);  in jffs2_statfs()
116 	if (list_empty(&c->clean_list)) {  in jffs2_statfs()
121 		list_for_each(this, &c->clean_list) {  in jffs2_statfs()
126 	if (list_empty(&c->dirty_list)) {  in jffs2_statfs()
131 		list_for_each(this, &c->dirty_list) {  in jffs2_statfs()
136 	if (list_empty(&c->erasing_list)) {  in jffs2_statfs()
141 		list_for_each(this, &c->erasing_list) {  in jffs2_statfs()
146 	if (list_empty(&c->erase_pending_list)) {  in jffs2_statfs()
151 		list_for_each(this, &c->erase_pending_list) {  in jffs2_statfs()
156 	if (list_empty(&c->free_list)) {  in jffs2_statfs()
161 		list_for_each(this, &c->free_list) {  in jffs2_statfs()
166 	if (list_empty(&c->bad_list)) {  in jffs2_statfs()
171 		list_for_each(this, &c->bad_list) {  in jffs2_statfs()
176 	if (list_empty(&c->bad_used_list)) {  in jffs2_statfs()
181 		list_for_each(this, &c->bad_used_list) {  in jffs2_statfs()
188 	spin_unlock_bh(&c->erase_completion_lock);  in jffs2_statfs()
196 	struct jffs2_sb_info *c;  in jffs2_read_super()  local
208 	c = JFFS2_SB_INFO(sb);  in jffs2_read_super()
209 	memset(c, 0, sizeof(*c));  in jffs2_read_super()
211 	c->mtd = get_mtd_device(NULL, MINOR(sb->s_dev));  in jffs2_read_super()
212 	if (!c->mtd) {  in jffs2_read_super()
216 	c->sector_size = c->mtd->erasesize;  in jffs2_read_super()
217 	c->free_size = c->flash_size = c->mtd->size;  in jffs2_read_super()
218 	c->nr_blocks = c->mtd->size / c->mtd->erasesize;  in jffs2_read_super()
219 	c->blocks = kmalloc(sizeof(struct jffs2_eraseblock) * c->nr_blocks, GFP_KERNEL);  in jffs2_read_super()
220 	if (!c->blocks)  in jffs2_read_super()
222 	for (i=0; i<c->nr_blocks; i++) {  in jffs2_read_super()
223 		INIT_LIST_HEAD(&c->blocks[i].list);  in jffs2_read_super()
224 		c->blocks[i].offset = i * c->sector_size;  in jffs2_read_super()
225 		c->blocks[i].free_size = c->sector_size;  in jffs2_read_super()
226 		c->blocks[i].dirty_size = 0;  in jffs2_read_super()
227 		c->blocks[i].used_size = 0;  in jffs2_read_super()
228 		c->blocks[i].first_node = NULL;  in jffs2_read_super()
229 		c->blocks[i].last_node = NULL;  in jffs2_read_super()
232 	spin_lock_init(&c->nodelist_lock);  in jffs2_read_super()
233 	init_MUTEX(&c->alloc_sem);  in jffs2_read_super()
234 	init_waitqueue_head(&c->erase_wait);  in jffs2_read_super()
235 	spin_lock_init(&c->erase_completion_lock);  in jffs2_read_super()
236 	spin_lock_init(&c->inocache_lock);  in jffs2_read_super()
238 	INIT_LIST_HEAD(&c->clean_list);  in jffs2_read_super()
239 	INIT_LIST_HEAD(&c->dirty_list);  in jffs2_read_super()
240 	INIT_LIST_HEAD(&c->erasing_list);  in jffs2_read_super()
241 	INIT_LIST_HEAD(&c->erase_pending_list);  in jffs2_read_super()
242 	INIT_LIST_HEAD(&c->erase_complete_list);  in jffs2_read_super()
243 	INIT_LIST_HEAD(&c->free_list);  in jffs2_read_super()
244 	INIT_LIST_HEAD(&c->bad_list);  in jffs2_read_super()
245 	INIT_LIST_HEAD(&c->bad_used_list);  in jffs2_read_super()
246 	c->highest_ino = 1;  in jffs2_read_super()
248 	if (jffs2_build_filesystem(c)) {  in jffs2_read_super()
274 		jffs2_start_garbage_collect_thread(c);  in jffs2_read_super()
280 	jffs2_free_ino_caches(c);  in jffs2_read_super()
281 	jffs2_free_raw_node_refs(c);  in jffs2_read_super()
282 	kfree(c->blocks);  in jffs2_read_super()
284 	put_mtd_device(c->mtd);  in jffs2_read_super()
290 	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);  in jffs2_put_super()  local
295 		jffs2_stop_garbage_collect_thread(c);  in jffs2_put_super()
296 	jffs2_free_ino_caches(c);  in jffs2_put_super()
297 	jffs2_free_raw_node_refs(c);  in jffs2_put_super()
298 	kfree(c->blocks);  in jffs2_put_super()
299 	if (c->mtd->sync)  in jffs2_put_super()
300 		c->mtd->sync(c->mtd);  in jffs2_put_super()
301 	put_mtd_device(c->mtd);  in jffs2_put_super()
308 	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);  in jffs2_remount_fs()  local
310 	if (c->flags & JFFS2_SB_FLAG_RO && !(sb->s_flags & MS_RDONLY))  in jffs2_remount_fs()
317 		jffs2_stop_garbage_collect_thread(c);  in jffs2_remount_fs()
320 		jffs2_start_garbage_collect_thread(c);  in jffs2_remount_fs()
329 	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);  in jffs2_write_super()  local
335 	jffs2_garbage_collect_trigger(c);  in jffs2_write_super()
336 	jffs2_erase_pending_blocks(c);  in jffs2_write_super()
337 	jffs2_mark_erased_blocks(c);  in jffs2_write_super()