1221 	struct logfs_shadow *shadow;  in alloc_shadow()  local
1223 	shadow = mempool_alloc(super->s_shadow_pool, GFP_NOFS);  in alloc_shadow()
1224 	memset(shadow, 0, sizeof(*shadow));  in alloc_shadow()
1225 	shadow->ino = inode->i_ino;  in alloc_shadow()
1226 	shadow->bix = bix;  in alloc_shadow()
1227 	shadow->gc_level = expand_level(inode->i_ino, level);  in alloc_shadow()
1228 	shadow->old_ofs = old_ofs & ~LOGFS_FULLY_POPULATED;  in alloc_shadow()
1229 	return shadow;  in alloc_shadow()
1232 static void free_shadow(struct inode *inode, struct logfs_shadow *shadow)  in free_shadow()  argument
1236 	mempool_free(shadow, super->s_shadow_pool);  in free_shadow()
1275 		struct logfs_shadow *shadow)  in fill_shadow_tree()  argument
1288 	if (shadow) {  in fill_shadow_tree()
1289 		if (shadow->old_ofs)  in fill_shadow_tree()
1290 			btree_insert64(&tree->old, shadow->old_ofs, shadow,  in fill_shadow_tree()
1293 			btree_insert64(&tree->new, shadow->new_ofs, shadow,  in fill_shadow_tree()
1296 		super->s_dirty_used_bytes += shadow->new_len;  in fill_shadow_tree()
1297 		super->s_dirty_free_bytes += shadow->old_len;  in fill_shadow_tree()
1298 		mark_segment(tree, shadow->old_ofs >> super->s_segshift);  in fill_shadow_tree()
1299 		mark_segment(tree, shadow->new_ofs >> super->s_segshift);  in fill_shadow_tree()
1326 static void set_iused(struct inode *inode, struct logfs_shadow *shadow)  in set_iused()  argument
1330 	if (shadow->new_len == shadow->old_len)  in set_iused()
1334 	li->li_used_bytes += shadow->new_len - shadow->old_len;  in set_iused()
1343 	struct logfs_shadow *shadow;  in logfs_write_i0()  local
1353 	shadow = alloc_shadow(inode, bix, level, wc->ofs);  in logfs_write_i0()
1355 		err = logfs_segment_write(inode, page, shadow);  in logfs_write_i0()
1357 		logfs_segment_delete(inode, shadow);  in logfs_write_i0()
1359 		free_shadow(inode, shadow);  in logfs_write_i0()
1363 	set_iused(inode, shadow);  in logfs_write_i0()
1369 	fill_shadow_tree(inode, page, shadow);  in logfs_write_i0()
1370 	wc->ofs = shadow->new_ofs;  in logfs_write_i0()
1645 		u64 ofs, struct logfs_shadow *shadow, u64 size)  in truncate_data_block()  argument
1664 	return logfs_segment_write(inode, page, shadow);  in truncate_data_block()
1670 	struct logfs_shadow *shadow;  in logfs_truncate_i0()  local
1677 	shadow = alloc_shadow(inode, bix, level, wc->ofs);  in logfs_truncate_i0()
1679 	err = truncate_data_block(inode, page, wc->ofs, shadow, size);  in logfs_truncate_i0()
1681 		free_shadow(inode, shadow);  in logfs_truncate_i0()
1685 	logfs_segment_delete(inode, shadow);  in logfs_truncate_i0()
1686 	set_iused(inode, shadow);  in logfs_truncate_i0()
1687 	fill_shadow_tree(inode, page, shadow);  in logfs_truncate_i0()
1688 	wc->ofs = shadow->new_ofs;  in logfs_truncate_i0()