90 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in __hfsplus_ext_write_extent()  local
93 	WARN_ON(!mutex_is_locked(&hip->extents_lock));  in __hfsplus_ext_write_extent()
95 	hfsplus_ext_build_key(fd->search_key, inode->i_ino, hip->cached_start,  in __hfsplus_ext_write_extent()
100 	if (hip->extent_state & HFSPLUS_EXT_NEW) {  in __hfsplus_ext_write_extent()
103 		hfs_brec_insert(fd, hip->cached_extents,  in __hfsplus_ext_write_extent()
105 		hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);  in __hfsplus_ext_write_extent()
109 		hfs_bnode_write(fd->bnode, hip->cached_extents,  in __hfsplus_ext_write_extent()
111 		hip->extent_state &= ~HFSPLUS_EXT_DIRTY;  in __hfsplus_ext_write_extent()
120 	set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags);  in __hfsplus_ext_write_extent()
176 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in __hfsplus_ext_cache_extent()  local
179 	WARN_ON(!mutex_is_locked(&hip->extents_lock));  in __hfsplus_ext_cache_extent()
181 	if (hip->extent_state & HFSPLUS_EXT_DIRTY) {  in __hfsplus_ext_cache_extent()
187 	res = __hfsplus_ext_read_extent(fd, hip->cached_extents, inode->i_ino,  in __hfsplus_ext_cache_extent()
192 		hip->cached_start = be32_to_cpu(fd->key->ext.start_block);  in __hfsplus_ext_cache_extent()
193 		hip->cached_blocks =  in __hfsplus_ext_cache_extent()
194 			hfsplus_ext_block_count(hip->cached_extents);  in __hfsplus_ext_cache_extent()
196 		hip->cached_start = hip->cached_blocks = 0;  in __hfsplus_ext_cache_extent()
197 		hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);  in __hfsplus_ext_cache_extent()
204 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_ext_read_extent()  local
208 	if (block >= hip->cached_start &&  in hfsplus_ext_read_extent()
209 	    block < hip->cached_start + hip->cached_blocks)  in hfsplus_ext_read_extent()
226 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_get_block()  local
235 	if (iblock >= hip->fs_blocks) {  in hfsplus_get_block()
236 		if (iblock > hip->fs_blocks || !create)  in hfsplus_get_block()
238 		if (ablock >= hip->alloc_blocks) {  in hfsplus_get_block()
246 	if (ablock < hip->first_blocks) {  in hfsplus_get_block()
247 		dblock = hfsplus_ext_find_block(hip->first_extents, ablock);  in hfsplus_get_block()
254 	mutex_lock(&hip->extents_lock);  in hfsplus_get_block()
261 	was_dirty = (hip->extent_state & HFSPLUS_EXT_DIRTY);  in hfsplus_get_block()
264 		mutex_unlock(&hip->extents_lock);  in hfsplus_get_block()
267 	dblock = hfsplus_ext_find_block(hip->cached_extents,  in hfsplus_get_block()
268 					ablock - hip->cached_start);  in hfsplus_get_block()
269 	mutex_unlock(&hip->extents_lock);  in hfsplus_get_block()
282 		hip->phys_size += sb->s_blocksize;  in hfsplus_get_block()
283 		hip->fs_blocks++;  in hfsplus_get_block()
438 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_file_extend()  local
451 	mutex_lock(&hip->extents_lock);  in hfsplus_file_extend()
452 	if (hip->alloc_blocks == hip->first_blocks)  in hfsplus_file_extend()
453 		goal = hfsplus_ext_lastblock(hip->first_extents);  in hfsplus_file_extend()
455 		res = hfsplus_ext_read_extent(inode, hip->alloc_blocks);  in hfsplus_file_extend()
458 		goal = hfsplus_ext_lastblock(hip->cached_extents);  in hfsplus_file_extend()
461 	len = hip->clump_blocks;  in hfsplus_file_extend()
479 	if (hip->alloc_blocks <= hip->first_blocks) {  in hfsplus_file_extend()
480 		if (!hip->first_blocks) {  in hfsplus_file_extend()
483 			hip->first_extents[0].start_block = cpu_to_be32(start);  in hfsplus_file_extend()
484 			hip->first_extents[0].block_count = cpu_to_be32(len);  in hfsplus_file_extend()
488 			res = hfsplus_add_extent(hip->first_extents,  in hfsplus_file_extend()
489 						 hip->alloc_blocks,  in hfsplus_file_extend()
495 			hfsplus_dump_extent(hip->first_extents);  in hfsplus_file_extend()
496 			hip->first_blocks += len;  in hfsplus_file_extend()
499 		res = hfsplus_add_extent(hip->cached_extents,  in hfsplus_file_extend()
500 					 hip->alloc_blocks - hip->cached_start,  in hfsplus_file_extend()
503 			hfsplus_dump_extent(hip->cached_extents);  in hfsplus_file_extend()
504 			hip->extent_state |= HFSPLUS_EXT_DIRTY;  in hfsplus_file_extend()
505 			hip->cached_blocks += len;  in hfsplus_file_extend()
511 		hip->alloc_blocks += len;  in hfsplus_file_extend()
512 		mutex_unlock(&hip->extents_lock);  in hfsplus_file_extend()
516 	mutex_unlock(&hip->extents_lock);  in hfsplus_file_extend()
525 	memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));  in hfsplus_file_extend()
526 	hip->cached_extents[0].start_block = cpu_to_be32(start);  in hfsplus_file_extend()
527 	hip->cached_extents[0].block_count = cpu_to_be32(len);  in hfsplus_file_extend()
528 	hfsplus_dump_extent(hip->cached_extents);  in hfsplus_file_extend()
529 	hip->extent_state |= HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW;  in hfsplus_file_extend()
530 	hip->cached_start = hip->alloc_blocks;  in hfsplus_file_extend()
531 	hip->cached_blocks = len;  in hfsplus_file_extend()
540 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_file_truncate()  local
546 		inode->i_ino, (long long)hip->phys_size, inode->i_size);  in hfsplus_file_truncate()
548 	if (inode->i_size > hip->phys_size) {  in hfsplus_file_truncate()
564 	} else if (inode->i_size == hip->phys_size)  in hfsplus_file_truncate()
570 	mutex_lock(&hip->extents_lock);  in hfsplus_file_truncate()
572 	alloc_cnt = hip->alloc_blocks;  in hfsplus_file_truncate()
578 		mutex_unlock(&hip->extents_lock);  in hfsplus_file_truncate()
583 		if (alloc_cnt == hip->first_blocks) {  in hfsplus_file_truncate()
585 			hfsplus_free_extents(sb, hip->first_extents,  in hfsplus_file_truncate()
587 			hfsplus_dump_extent(hip->first_extents);  in hfsplus_file_truncate()
588 			hip->first_blocks = blk_cnt;  in hfsplus_file_truncate()
598 		start = hip->cached_start;  in hfsplus_file_truncate()
599 		hfsplus_free_extents(sb, hip->cached_extents,  in hfsplus_file_truncate()
601 		hfsplus_dump_extent(hip->cached_extents);  in hfsplus_file_truncate()
603 			hip->extent_state |= HFSPLUS_EXT_DIRTY;  in hfsplus_file_truncate()
607 		hip->cached_start = hip->cached_blocks = 0;  in hfsplus_file_truncate()
608 		hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);  in hfsplus_file_truncate()
613 	hip->alloc_blocks = blk_cnt;  in hfsplus_file_truncate()
615 	mutex_unlock(&hip->extents_lock);  in hfsplus_file_truncate()
616 	hip->phys_size = inode->i_size;  in hfsplus_file_truncate()
617 	hip->fs_blocks = (inode->i_size + sb->s_blocksize - 1) >>  in hfsplus_file_truncate()
619 	inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);  in hfsplus_file_truncate()