28 static int jffs2_flash_setup(struct jffs2_sb_info *c);
34 	struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);  in jffs2_do_setattr()  local
65 		ret = jffs2_read_dnode(c, f, f->metadata, mdata, 0, mdatalen);  in jffs2_do_setattr()
83 	ret = jffs2_reserve_space(c, sizeof(*ri) + mdatalen, &alloclen,  in jffs2_do_setattr()
137 	new_metadata = jffs2_write_dnode(c, f, ri, mdata, mdatalen, alloc_type);  in jffs2_do_setattr()
142 		jffs2_complete_reservation(c);  in jffs2_do_setattr()
159 		jffs2_truncate_fragtree (c, &f->fragtree, iattr->ia_size);  in jffs2_do_setattr()
162 		jffs2_add_full_dnode_to_inode(c, f, new_metadata);  in jffs2_do_setattr()
170 		jffs2_mark_node_obsolete(c, old_metadata->raw);  in jffs2_do_setattr()
176 	jffs2_complete_reservation(c);  in jffs2_do_setattr()
209 	struct jffs2_sb_info *c = JFFS2_SB_INFO(dentry->d_sb);  in jffs2_statfs()  local
214 	buf->f_blocks = c->flash_size >> PAGE_SHIFT;  in jffs2_statfs()
219 	buf->f_fsid.val[1] = c->mtd->index;  in jffs2_statfs()
221 	spin_lock(&c->erase_completion_lock);  in jffs2_statfs()
222 	avail = c->dirty_size + c->free_size;  in jffs2_statfs()
223 	if (avail > c->sector_size * c->resv_blocks_write)  in jffs2_statfs()
224 		avail -= c->sector_size * c->resv_blocks_write;  in jffs2_statfs()
227 	spin_unlock(&c->erase_completion_lock);  in jffs2_statfs()
240 	struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);  in jffs2_evict_inode()  local
247 	jffs2_do_clear_inode(c, f);  in jffs2_evict_inode()
253 	struct jffs2_sb_info *c;  in jffs2_iget()  local
269 	c = JFFS2_SB_INFO(inode->i_sb);  in jffs2_iget()
274 	ret = jffs2_do_read_inode(c, f, inode->i_ino, &latest_node);  in jffs2_iget()
331 		ret = jffs2_read_dnode(c, f, f->metadata, (char *)&jdev, 0, f->metadata->size);  in jffs2_iget()
364 	jffs2_do_clear_inode(c, f);  in jffs2_iget()
395 	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);  in jffs2_do_remount_fs()  local
397 	if (c->flags & JFFS2_SB_FLAG_RO && !(sb->s_flags & MS_RDONLY))  in jffs2_do_remount_fs()
405 		jffs2_stop_garbage_collect_thread(c);  in jffs2_do_remount_fs()
406 		mutex_lock(&c->alloc_sem);  in jffs2_do_remount_fs()
407 		jffs2_flush_wbuf_pad(c);  in jffs2_do_remount_fs()
408 		mutex_unlock(&c->alloc_sem);  in jffs2_do_remount_fs()
412 		jffs2_start_garbage_collect_thread(c);  in jffs2_do_remount_fs()
424 	struct jffs2_sb_info *c;  in jffs2_new_inode()  local
431 	c = JFFS2_SB_INFO(sb);  in jffs2_new_inode()
463 	ret = jffs2_do_new_inode (c, f, mode, ri);  in jffs2_new_inode()
513 	struct jffs2_sb_info *c;  in jffs2_do_fill_super()  local
518 	c = JFFS2_SB_INFO(sb);  in jffs2_do_fill_super()
521 	if (c->mtd->type == MTD_MLCNANDFLASH)  in jffs2_do_fill_super()
525 	if (c->mtd->type == MTD_NANDFLASH) {  in jffs2_do_fill_super()
529 	if (c->mtd->type == MTD_DATAFLASH) {  in jffs2_do_fill_super()
535 	c->flash_size = c->mtd->size;  in jffs2_do_fill_super()
536 	c->sector_size = c->mtd->erasesize;  in jffs2_do_fill_super()
537 	blocks = c->flash_size / c->sector_size;  in jffs2_do_fill_super()
542 	if ((c->sector_size * blocks) != c->flash_size) {  in jffs2_do_fill_super()
543 		c->flash_size = c->sector_size * blocks;  in jffs2_do_fill_super()
545 			c->flash_size / 1024);  in jffs2_do_fill_super()
548 	if (c->flash_size < 5*c->sector_size) {  in jffs2_do_fill_super()
550 		       c->flash_size / c->sector_size);  in jffs2_do_fill_super()
554 	c->cleanmarker_size = sizeof(struct jffs2_unknown_node);  in jffs2_do_fill_super()
557 	ret = jffs2_flash_setup(c);  in jffs2_do_fill_super()
561 	c->inocache_hashsize = calculate_inocache_hashsize(c->flash_size);  in jffs2_do_fill_super()
562 	c->inocache_list = kcalloc(c->inocache_hashsize, sizeof(struct jffs2_inode_cache *), GFP_KERNEL);  in jffs2_do_fill_super()
563 	if (!c->inocache_list) {  in jffs2_do_fill_super()
568 	jffs2_init_xattr_subsystem(c);  in jffs2_do_fill_super()
570 	if ((ret = jffs2_do_mount_fs(c)))  in jffs2_do_fill_super()
593 		jffs2_start_garbage_collect_thread(c);  in jffs2_do_fill_super()
597 	jffs2_free_ino_caches(c);  in jffs2_do_fill_super()
598 	jffs2_free_raw_node_refs(c);  in jffs2_do_fill_super()
599 	if (jffs2_blocks_use_vmalloc(c))  in jffs2_do_fill_super()
600 		vfree(c->blocks);  in jffs2_do_fill_super()
602 		kfree(c->blocks);  in jffs2_do_fill_super()
604 	jffs2_clear_xattr_subsystem(c);  in jffs2_do_fill_super()
605 	kfree(c->inocache_list);  in jffs2_do_fill_super()
607 	jffs2_flash_cleanup(c);  in jffs2_do_fill_super()
612 void jffs2_gc_release_inode(struct jffs2_sb_info *c,  in jffs2_gc_release_inode()  argument
618 struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c,  in jffs2_gc_fetch_inode()  argument
639 		inode = ilookup(OFNI_BS_2SFFJ(c), inum);  in jffs2_gc_fetch_inode()
644 			spin_lock(&c->inocache_lock);  in jffs2_gc_fetch_inode()
645 			ic = jffs2_get_ino_cache(c, inum);  in jffs2_gc_fetch_inode()
649 				spin_unlock(&c->inocache_lock);  in jffs2_gc_fetch_inode()
656 				sleep_on_spinunlock(&c->inocache_wq, &c->inocache_lock);  in jffs2_gc_fetch_inode()
658 				spin_unlock(&c->inocache_lock);  in jffs2_gc_fetch_inode()
668 		inode = jffs2_iget(OFNI_BS_2SFFJ(c), inum);  in jffs2_gc_fetch_inode()
683 unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,  in jffs2_gc_fetch_page()  argument
700 void jffs2_gc_release_page(struct jffs2_sb_info *c,  in jffs2_gc_release_page()  argument
710 static int jffs2_flash_setup(struct jffs2_sb_info *c) {  in jffs2_flash_setup()  argument
713 	if (jffs2_cleanmarker_oob(c)) {  in jffs2_flash_setup()
715 		ret = jffs2_nand_flash_setup(c);  in jffs2_flash_setup()
721 	if (jffs2_dataflash(c)) {  in jffs2_flash_setup()
722 		ret = jffs2_dataflash_setup(c);  in jffs2_flash_setup()
728 	if (jffs2_nor_wbuf_flash(c)) {  in jffs2_flash_setup()
729 		ret = jffs2_nor_wbuf_flash_setup(c);  in jffs2_flash_setup()
735 	if (jffs2_ubivol(c)) {  in jffs2_flash_setup()
736 		ret = jffs2_ubivol_setup(c);  in jffs2_flash_setup()
744 void jffs2_flash_cleanup(struct jffs2_sb_info *c) {  in jffs2_flash_cleanup()  argument
746 	if (jffs2_cleanmarker_oob(c)) {  in jffs2_flash_cleanup()
747 		jffs2_nand_flash_cleanup(c);  in jffs2_flash_cleanup()
751 	if (jffs2_dataflash(c)) {  in jffs2_flash_cleanup()
752 		jffs2_dataflash_cleanup(c);  in jffs2_flash_cleanup()
756 	if (jffs2_nor_wbuf_flash(c)) {  in jffs2_flash_cleanup()
757 		jffs2_nor_wbuf_flash_cleanup(c);  in jffs2_flash_cleanup()
761 	if (jffs2_ubivol(c)) {  in jffs2_flash_cleanup()
762 		jffs2_ubivol_cleanup(c);  in jffs2_flash_cleanup()