845 	struct ext4_extent_header *neh;  in ext4_ext_split()  local
918 	neh = ext_block_hdr(bh);  in ext4_ext_split()
919 	neh->eh_entries = 0;  in ext4_ext_split()
920 	neh->eh_max = cpu_to_le16(ext4_ext_space_block(inode, 0));  in ext4_ext_split()
921 	neh->eh_magic = EXT4_EXT_MAGIC;  in ext4_ext_split()
922 	neh->eh_depth = 0;  in ext4_ext_split()
938 		ex = EXT_FIRST_EXTENT(neh);  in ext4_ext_split()
940 		le16_add_cpu(&neh->eh_entries, m);  in ext4_ext_split()
990 		neh = ext_block_hdr(bh);  in ext4_ext_split()
991 		neh->eh_entries = cpu_to_le16(1);  in ext4_ext_split()
992 		neh->eh_magic = EXT4_EXT_MAGIC;  in ext4_ext_split()
993 		neh->eh_max = cpu_to_le16(ext4_ext_space_block_idx(inode, 0));  in ext4_ext_split()
994 		neh->eh_depth = cpu_to_le16(depth - i);  in ext4_ext_split()
995 		fidx = EXT_FIRST_INDEX(neh);  in ext4_ext_split()
1019 			le16_add_cpu(&neh->eh_entries, m);  in ext4_ext_split()
1081 	struct ext4_extent_header *neh;  in ext4_ext_grow_indepth()  local
1107 	neh = ext_block_hdr(bh);  in ext4_ext_grow_indepth()
1111 		neh->eh_max = cpu_to_le16(ext4_ext_space_block_idx(inode, 0));  in ext4_ext_grow_indepth()
1113 		neh->eh_max = cpu_to_le16(ext4_ext_space_block(inode, 0));  in ext4_ext_grow_indepth()
1114 	neh->eh_magic = EXT4_EXT_MAGIC;  in ext4_ext_grow_indepth()
1123 	neh = ext_inode_hdr(inode);  in ext4_ext_grow_indepth()
1124 	neh->eh_entries = cpu_to_le16(1);  in ext4_ext_grow_indepth()
1125 	ext4_idx_store_pblock(EXT_FIRST_INDEX(neh), newblock);  in ext4_ext_grow_indepth()
1126 	if (neh->eh_depth == 0) {  in ext4_ext_grow_indepth()
1128 		neh->eh_max = cpu_to_le16(ext4_ext_space_root_idx(inode, 0));  in ext4_ext_grow_indepth()
1129 		EXT_FIRST_INDEX(neh)->ei_block =  in ext4_ext_grow_indepth()
1130 			EXT_FIRST_EXTENT(neh)->ee_block;  in ext4_ext_grow_indepth()
1133 		  le16_to_cpu(neh->eh_entries), le16_to_cpu(neh->eh_max),  in ext4_ext_grow_indepth()
1134 		  le32_to_cpu(EXT_FIRST_INDEX(neh)->ei_block),  in ext4_ext_grow_indepth()
1135 		  ext4_idx_pblock(EXT_FIRST_INDEX(neh)));  in ext4_ext_grow_indepth()
1137 	neh->eh_depth = cpu_to_le16(le16_to_cpu(neh->eh_depth) + 1);  in ext4_ext_grow_indepth()