27 first_inode_chain(int *i, struct jffs2_sb_info *c)  in first_inode_chain()  argument
29 	for (; *i < c->inocache_hashsize; (*i)++) {  in first_inode_chain()
30 		if (c->inocache_list[*i])  in first_inode_chain()
31 			return c->inocache_list[*i];  in first_inode_chain()
37 next_inode(int *i, struct jffs2_inode_cache *ic, struct jffs2_sb_info *c)  in next_inode()  argument
43 	return first_inode_chain(i, c);  in next_inode()
46 #define for_each_inode(i, c, ic)			\  argument
47 	for (i = 0, ic = first_inode_chain(&i, (c));	\
49 	     ic = next_inode(&i, ic, (c)))
52 static void jffs2_build_inode_pass1(struct jffs2_sb_info *c,  in jffs2_build_inode_pass1()  argument
68 		child_ic = jffs2_get_ino_cache(c, fd->ino);  in jffs2_build_inode_pass1()
72 			jffs2_mark_node_obsolete(c, fd->raw);  in jffs2_build_inode_pass1()
99 static int jffs2_build_filesystem(struct jffs2_sb_info *c)  in jffs2_build_filesystem()  argument
111 	c->flags |= JFFS2_SB_FLAG_SCANNING;  in jffs2_build_filesystem()
112 	ret = jffs2_scan_medium(c);  in jffs2_build_filesystem()
113 	c->flags &= ~JFFS2_SB_FLAG_SCANNING;  in jffs2_build_filesystem()
118 	jffs2_dbg_dump_block_lists_nolock(c);  in jffs2_build_filesystem()
121 	c->flags |= JFFS2_SB_FLAG_BUILDING;  in jffs2_build_filesystem()
123 	for_each_inode(i, c, ic) {  in jffs2_build_filesystem()
125 			jffs2_build_inode_pass1(c, ic, &dir_hardlinks);  in jffs2_build_filesystem()
139 	for_each_inode(i, c, ic) {  in jffs2_build_filesystem()
143 		jffs2_build_remove_unlinked_inode(c, ic, &dead_fds);  in jffs2_build_filesystem()
153 		ic = jffs2_get_ino_cache(c, fd->ino);  in jffs2_build_filesystem()
156 			jffs2_build_remove_unlinked_inode(c, ic, &dead_fds);  in jffs2_build_filesystem()
170 		for_each_inode(i, c, ic) {  in jffs2_build_filesystem()
178 	for_each_inode(i, c, ic) {  in jffs2_build_filesystem()
214 	ret = jffs2_build_xattr_subsystem(c);  in jffs2_build_filesystem()
218 	c->flags &= ~JFFS2_SB_FLAG_BUILDING;  in jffs2_build_filesystem()
223 	jffs2_rotate_lists(c);  in jffs2_build_filesystem()
229 		for_each_inode(i, c, ic) {  in jffs2_build_filesystem()
236 		jffs2_clear_xattr_subsystem(c);  in jffs2_build_filesystem()
242 static void jffs2_build_remove_unlinked_inode(struct jffs2_sb_info *c,  in jffs2_build_remove_unlinked_inode()  argument
255 		jffs2_mark_node_obsolete(c, raw);  in jffs2_build_remove_unlinked_inode()
280 			child_ic = jffs2_get_ino_cache(c, fd->ino);  in jffs2_build_remove_unlinked_inode()
311 static void jffs2_calc_trigger_levels(struct jffs2_sb_info *c)  in jffs2_calc_trigger_levels()  argument
318 	c->resv_blocks_deletion = 2;  in jffs2_calc_trigger_levels()
325 	size = c->flash_size / 50; /* 2% of flash size */  in jffs2_calc_trigger_levels()
326 	size += c->nr_blocks * 100; /* And 100 bytes per eraseblock */  in jffs2_calc_trigger_levels()
327 	size += c->sector_size - 1; /* ... and round up */  in jffs2_calc_trigger_levels()
329 	c->resv_blocks_write = c->resv_blocks_deletion + (size / c->sector_size);  in jffs2_calc_trigger_levels()
333 	c->resv_blocks_gctrigger = c->resv_blocks_write + 1;  in jffs2_calc_trigger_levels()
337 	c->resv_blocks_gcmerge = c->resv_blocks_deletion + 1;  in jffs2_calc_trigger_levels()
341 	c->resv_blocks_gcbad = 0;//c->resv_blocks_deletion + 2;  in jffs2_calc_trigger_levels()
347 	c->vdirty_blocks_gctrigger = c->resv_blocks_gctrigger;  in jffs2_calc_trigger_levels()
348 	if (jffs2_can_mark_obsolete(c))  in jffs2_calc_trigger_levels()
349 		c->vdirty_blocks_gctrigger *= 10;  in jffs2_calc_trigger_levels()
353 	c->nospc_dirty_size = c->sector_size + (c->flash_size / 100);  in jffs2_calc_trigger_levels()
356 		    c->flash_size / 1024, c->sector_size / 1024, c->nr_blocks);  in jffs2_calc_trigger_levels()
358 		  c->resv_blocks_deletion, c->resv_blocks_deletion*c->sector_size/1024);  in jffs2_calc_trigger_levels()
360 		  c->resv_blocks_write, c->resv_blocks_write*c->sector_size/1024);  in jffs2_calc_trigger_levels()
362 		  c->resv_blocks_gctrigger, c->resv_blocks_gctrigger*c->sector_size/1024);  in jffs2_calc_trigger_levels()
364 		  c->resv_blocks_gcmerge, c->resv_blocks_gcmerge*c->sector_size/1024);  in jffs2_calc_trigger_levels()
366 		  c->resv_blocks_gcbad, c->resv_blocks_gcbad*c->sector_size/1024);  in jffs2_calc_trigger_levels()
368 		  c->nospc_dirty_size);  in jffs2_calc_trigger_levels()
370 		  c->vdirty_blocks_gctrigger);  in jffs2_calc_trigger_levels()
373 int jffs2_do_mount_fs(struct jffs2_sb_info *c)  in jffs2_do_mount_fs()  argument
379 	c->free_size = c->flash_size;  in jffs2_do_mount_fs()
380 	c->nr_blocks = c->flash_size / c->sector_size;  in jffs2_do_mount_fs()
381 	size = sizeof(struct jffs2_eraseblock) * c->nr_blocks;  in jffs2_do_mount_fs()
383 	if (jffs2_blocks_use_vmalloc(c))  in jffs2_do_mount_fs()
384 		c->blocks = vzalloc(size);  in jffs2_do_mount_fs()
387 		c->blocks = kzalloc(size, GFP_KERNEL);  in jffs2_do_mount_fs()
388 	if (!c->blocks)  in jffs2_do_mount_fs()
391 	for (i=0; i<c->nr_blocks; i++) {  in jffs2_do_mount_fs()
392 		INIT_LIST_HEAD(&c->blocks[i].list);  in jffs2_do_mount_fs()
393 		c->blocks[i].offset = i * c->sector_size;  in jffs2_do_mount_fs()
394 		c->blocks[i].free_size = c->sector_size;  in jffs2_do_mount_fs()
397 	INIT_LIST_HEAD(&c->clean_list);  in jffs2_do_mount_fs()
398 	INIT_LIST_HEAD(&c->very_dirty_list);  in jffs2_do_mount_fs()
399 	INIT_LIST_HEAD(&c->dirty_list);  in jffs2_do_mount_fs()
400 	INIT_LIST_HEAD(&c->erasable_list);  in jffs2_do_mount_fs()
401 	INIT_LIST_HEAD(&c->erasing_list);  in jffs2_do_mount_fs()
402 	INIT_LIST_HEAD(&c->erase_checking_list);  in jffs2_do_mount_fs()
403 	INIT_LIST_HEAD(&c->erase_pending_list);  in jffs2_do_mount_fs()
404 	INIT_LIST_HEAD(&c->erasable_pending_wbuf_list);  in jffs2_do_mount_fs()
405 	INIT_LIST_HEAD(&c->erase_complete_list);  in jffs2_do_mount_fs()
406 	INIT_LIST_HEAD(&c->free_list);  in jffs2_do_mount_fs()
407 	INIT_LIST_HEAD(&c->bad_list);  in jffs2_do_mount_fs()
408 	INIT_LIST_HEAD(&c->bad_used_list);  in jffs2_do_mount_fs()
409 	c->highest_ino = 1;  in jffs2_do_mount_fs()
410 	c->summary = NULL;  in jffs2_do_mount_fs()
412 	ret = jffs2_sum_init(c);  in jffs2_do_mount_fs()
416 	if (jffs2_build_filesystem(c)) {  in jffs2_do_mount_fs()
418 		jffs2_free_ino_caches(c);  in jffs2_do_mount_fs()
419 		jffs2_free_raw_node_refs(c);  in jffs2_do_mount_fs()
424 	jffs2_calc_trigger_levels(c);  in jffs2_do_mount_fs()
429 	jffs2_sum_exit(c);  in jffs2_do_mount_fs()
431 	kvfree(c->blocks);  in jffs2_do_mount_fs()