89 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in __hfsplus_ext_write_extent()  local
92 	WARN_ON(!mutex_is_locked(&hip->extents_lock));  in __hfsplus_ext_write_extent()
94 	hfsplus_ext_build_key(fd->search_key, inode->i_ino, hip->cached_start,  in __hfsplus_ext_write_extent()
99 	if (hip->extent_state & HFSPLUS_EXT_NEW) {  in __hfsplus_ext_write_extent()
102 		hfs_brec_insert(fd, hip->cached_extents,  in __hfsplus_ext_write_extent()
104 		hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);  in __hfsplus_ext_write_extent()
108 		hfs_bnode_write(fd->bnode, hip->cached_extents,  in __hfsplus_ext_write_extent()
110 		hip->extent_state &= ~HFSPLUS_EXT_DIRTY;  in __hfsplus_ext_write_extent()
119 	set_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags);  in __hfsplus_ext_write_extent()
175 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in __hfsplus_ext_cache_extent()  local
178 	WARN_ON(!mutex_is_locked(&hip->extents_lock));  in __hfsplus_ext_cache_extent()
180 	if (hip->extent_state & HFSPLUS_EXT_DIRTY) {  in __hfsplus_ext_cache_extent()
186 	res = __hfsplus_ext_read_extent(fd, hip->cached_extents, inode->i_ino,  in __hfsplus_ext_cache_extent()
191 		hip->cached_start = be32_to_cpu(fd->key->ext.start_block);  in __hfsplus_ext_cache_extent()
192 		hip->cached_blocks =  in __hfsplus_ext_cache_extent()
193 			hfsplus_ext_block_count(hip->cached_extents);  in __hfsplus_ext_cache_extent()
195 		hip->cached_start = hip->cached_blocks = 0;  in __hfsplus_ext_cache_extent()
196 		hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);  in __hfsplus_ext_cache_extent()
203 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_ext_read_extent()  local
207 	if (block >= hip->cached_start &&  in hfsplus_ext_read_extent()
208 	    block < hip->cached_start + hip->cached_blocks)  in hfsplus_ext_read_extent()
225 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_get_block()  local
234 	if (iblock >= hip->fs_blocks) {  in hfsplus_get_block()
235 		if (iblock > hip->fs_blocks || !create)  in hfsplus_get_block()
237 		if (ablock >= hip->alloc_blocks) {  in hfsplus_get_block()
245 	if (ablock < hip->first_blocks) {  in hfsplus_get_block()
246 		dblock = hfsplus_ext_find_block(hip->first_extents, ablock);  in hfsplus_get_block()
253 	mutex_lock(&hip->extents_lock);  in hfsplus_get_block()
260 	was_dirty = (hip->extent_state & HFSPLUS_EXT_DIRTY);  in hfsplus_get_block()
263 		mutex_unlock(&hip->extents_lock);  in hfsplus_get_block()
266 	dblock = hfsplus_ext_find_block(hip->cached_extents,  in hfsplus_get_block()
267 					ablock - hip->cached_start);  in hfsplus_get_block()
268 	mutex_unlock(&hip->extents_lock);  in hfsplus_get_block()
281 		hip->phys_size += sb->s_blocksize;  in hfsplus_get_block()
282 		hip->fs_blocks++;  in hfsplus_get_block()
432 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_file_extend()  local
445 	mutex_lock(&hip->extents_lock);  in hfsplus_file_extend()
446 	if (hip->alloc_blocks == hip->first_blocks)  in hfsplus_file_extend()
447 		goal = hfsplus_ext_lastblock(hip->first_extents);  in hfsplus_file_extend()
449 		res = hfsplus_ext_read_extent(inode, hip->alloc_blocks);  in hfsplus_file_extend()
452 		goal = hfsplus_ext_lastblock(hip->cached_extents);  in hfsplus_file_extend()
455 	len = hip->clump_blocks;  in hfsplus_file_extend()
473 	if (hip->alloc_blocks <= hip->first_blocks) {  in hfsplus_file_extend()
474 		if (!hip->first_blocks) {  in hfsplus_file_extend()
477 			hip->first_extents[0].start_block = cpu_to_be32(start);  in hfsplus_file_extend()
478 			hip->first_extents[0].block_count = cpu_to_be32(len);  in hfsplus_file_extend()
482 			res = hfsplus_add_extent(hip->first_extents,  in hfsplus_file_extend()
483 						 hip->alloc_blocks,  in hfsplus_file_extend()
489 			hfsplus_dump_extent(hip->first_extents);  in hfsplus_file_extend()
490 			hip->first_blocks += len;  in hfsplus_file_extend()
493 		res = hfsplus_add_extent(hip->cached_extents,  in hfsplus_file_extend()
494 					 hip->alloc_blocks - hip->cached_start,  in hfsplus_file_extend()
497 			hfsplus_dump_extent(hip->cached_extents);  in hfsplus_file_extend()
498 			hip->extent_state |= HFSPLUS_EXT_DIRTY;  in hfsplus_file_extend()
499 			hip->cached_blocks += len;  in hfsplus_file_extend()
505 		hip->alloc_blocks += len;  in hfsplus_file_extend()
506 		mutex_unlock(&hip->extents_lock);  in hfsplus_file_extend()
510 	mutex_unlock(&hip->extents_lock);  in hfsplus_file_extend()
519 	memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));  in hfsplus_file_extend()
520 	hip->cached_extents[0].start_block = cpu_to_be32(start);  in hfsplus_file_extend()
521 	hip->cached_extents[0].block_count = cpu_to_be32(len);  in hfsplus_file_extend()
522 	hfsplus_dump_extent(hip->cached_extents);  in hfsplus_file_extend()
523 	hip->extent_state |= HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW;  in hfsplus_file_extend()
524 	hip->cached_start = hip->alloc_blocks;  in hfsplus_file_extend()
525 	hip->cached_blocks = len;  in hfsplus_file_extend()
534 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);  in hfsplus_file_truncate()  local
540 		inode->i_ino, (long long)hip->phys_size, inode->i_size);  in hfsplus_file_truncate()
542 	if (inode->i_size > hip->phys_size) {  in hfsplus_file_truncate()
559 	} else if (inode->i_size == hip->phys_size)  in hfsplus_file_truncate()
565 	mutex_lock(&hip->extents_lock);  in hfsplus_file_truncate()
567 	alloc_cnt = hip->alloc_blocks;  in hfsplus_file_truncate()
573 		mutex_unlock(&hip->extents_lock);  in hfsplus_file_truncate()
578 		if (alloc_cnt == hip->first_blocks) {  in hfsplus_file_truncate()
579 			hfsplus_free_extents(sb, hip->first_extents,  in hfsplus_file_truncate()
581 			hfsplus_dump_extent(hip->first_extents);  in hfsplus_file_truncate()
582 			hip->first_blocks = blk_cnt;  in hfsplus_file_truncate()
588 		start = hip->cached_start;  in hfsplus_file_truncate()
589 		hfsplus_free_extents(sb, hip->cached_extents,  in hfsplus_file_truncate()
591 		hfsplus_dump_extent(hip->cached_extents);  in hfsplus_file_truncate()
593 			hip->extent_state |= HFSPLUS_EXT_DIRTY;  in hfsplus_file_truncate()
597 		hip->cached_start = hip->cached_blocks = 0;  in hfsplus_file_truncate()
598 		hip->extent_state &= ~(HFSPLUS_EXT_DIRTY | HFSPLUS_EXT_NEW);  in hfsplus_file_truncate()
603 	hip->alloc_blocks = blk_cnt;  in hfsplus_file_truncate()
605 	mutex_unlock(&hip->extents_lock);  in hfsplus_file_truncate()
606 	hip->phys_size = inode->i_size;  in hfsplus_file_truncate()
607 	hip->fs_blocks = (inode->i_size + sb->s_blocksize - 1) >>  in hfsplus_file_truncate()
609 	inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);  in hfsplus_file_truncate()