fs/ext4/inode.c

4187 static int ext4_inode_blocks_set(struct ext4_inode *raw_inode,
4199 		raw_inode->i_blocks_lo   = cpu_to_le32(i_blocks);
4200 		raw_inode->i_blocks_high = 0;
4218 		raw_inode->i_blocks_lo   = cpu_to_le32(i_blocks);
4219 		raw_inode->i_blocks_high = cpu_to_le16(i_blocks >> 32);
4225 		raw_inode->i_blocks_lo   = cpu_to_le32(i_blocks);
4226 		raw_inode->i_blocks_high = cpu_to_le16(i_blocks >> 32);
4231 static int ext4_fill_raw_inode(struct inode *inode, struct ext4_inode *raw_inode)
4240 	err = ext4_inode_blocks_set(raw_inode, ei);
4242 	raw_inode->i_mode = cpu_to_le16(inode->i_mode);
4247 		raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
4248 		raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
4255 			raw_inode->i_uid_high = 0;
4256 			raw_inode->i_gid_high = 0;
4258 			raw_inode->i_uid_high =
4260 			raw_inode->i_gid_high =
4264 		raw_inode->i_uid_low = cpu_to_le16(fs_high2lowuid(i_uid));
4265 		raw_inode->i_gid_low = cpu_to_le16(fs_high2lowgid(i_gid));
4266 		raw_inode->i_uid_high = 0;
4267 		raw_inode->i_gid_high = 0;
4269 	raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
4271 	EXT4_INODE_SET_CTIME(inode, raw_inode);
4272 	EXT4_INODE_SET_MTIME(inode, raw_inode);
4273 	EXT4_INODE_SET_ATIME(inode, raw_inode);
4274 	EXT4_EINODE_SET_XTIME(i_crtime, ei, raw_inode);
4276 	raw_inode->i_dtime = cpu_to_le32(ei->i_dtime);
4277 	raw_inode->i_flags = cpu_to_le32(ei->i_flags & 0xFFFFFFFF);
4279 		raw_inode->i_file_acl_high =
4281 	raw_inode->i_file_acl_lo = cpu_to_le32(ei->i_file_acl);
4282 	ext4_isize_set(raw_inode, ei->i_disksize);
4284 	raw_inode->i_generation = cpu_to_le32(inode->i_generation);
4287 			raw_inode->i_block[0] =
4289 			raw_inode->i_block[1] = 0;
4291 			raw_inode->i_block[0] = 0;
4292 			raw_inode->i_block[1] =
4294 			raw_inode->i_block[2] = 0;
4298 			raw_inode->i_block[block] = ei->i_data[block];
4304 		raw_inode->i_disk_version = cpu_to_le32(ivers);
4306 			if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi))
4307 				raw_inode->i_version_hi =
4309 			raw_inode->i_extra_isize =
4319 	    EXT4_FITS_IN_INODE(raw_inode, ei, i_projid))
4320 		raw_inode->i_projid = cpu_to_le32(i_projid);
4322 	ext4_inode_csum_set(inode, raw_inode, ei);
4415 			struct ext4_inode *raw_inode =
4421 				ext4_fill_raw_inode(inode, raw_inode);
4573 static blkcnt_t ext4_inode_blocks(struct ext4_inode *raw_inode,
4582 		i_blocks = ((u64)le16_to_cpu(raw_inode->i_blocks_high)) << 32 |
4583 					le32_to_cpu(raw_inode->i_blocks_lo);
4591 		return le32_to_cpu(raw_inode->i_blocks_lo);
4596 					 struct ext4_inode *raw_inode,
4599 	__le32 *magic = (void *)raw_inode +
4660 	struct ext4_inode *raw_inode;
4707 	raw_inode = ext4_raw_inode(&iloc);
4710 	    (raw_inode->i_links_count == 0) && (raw_inode->i_mode == 0)) {
4716 		ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
4736 		__le32 gen = raw_inode->i_generation;
4743 	if ((!ext4_inode_csum_verify(inode, raw_inode, ei) ||
4752 	inode->i_mode = le16_to_cpu(raw_inode->i_mode);
4753 	i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
4754 	i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
4757 	    EXT4_FITS_IN_INODE(raw_inode, ei, i_projid))
4758 		i_projid = (projid_t)le32_to_cpu(raw_inode->i_projid);
4763 		i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
4764 		i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
4769 	set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
4774 	ei->i_dtime = le32_to_cpu(raw_inode->i_dtime);
4800 	ei->i_flags = le32_to_cpu(raw_inode->i_flags);
4802 	inode->i_blocks = ext4_inode_blocks(raw_inode, ei);
4803 	ei->i_file_acl = le32_to_cpu(raw_inode->i_file_acl_lo);
4806 			((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
4807 	inode->i_size = ext4_isize(sb, raw_inode);
4830 	inode->i_generation = le32_to_cpu(raw_inode->i_generation);
4838 		ei->i_data[block] = raw_inode->i_block[block];
4874 			ret = ext4_iget_extra_inode(inode, raw_inode, ei);
4880 	EXT4_INODE_GET_CTIME(inode, raw_inode);
4881 	EXT4_INODE_GET_ATIME(inode, raw_inode);
4882 	EXT4_INODE_GET_MTIME(inode, raw_inode);
4883 	EXT4_EINODE_GET_XTIME(i_crtime, ei, raw_inode);
4886 		u64 ivers = le32_to_cpu(raw_inode->i_disk_version);
4889 			if (EXT4_FITS_IN_INODE(raw_inode, ei, i_version_hi))
4891 		    (__u64)(le32_to_cpu(raw_inode->i_version_hi)) << 32;
4948 		if (raw_inode->i_block[0])
4950 			   old_decode_dev(le32_to_cpu(raw_inode->i_block[0])));
4953 			   new_decode_dev(le32_to_cpu(raw_inode->i_block[1])));
4987 					   struct ext4_inode *raw_inode)
5006 		EXT4_INODE_SET_CTIME(inode, raw_inode);
5007 		EXT4_INODE_SET_MTIME(inode, raw_inode);
5008 		EXT4_INODE_SET_ATIME(inode, raw_inode);
5009 		ext4_inode_csum_set(inode, raw_inode, ei);
5055 	struct ext4_inode *raw_inode = ext4_raw_inode(iloc);
5069 		memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
5071 	if (READ_ONCE(ei->i_disksize) != ext4_isize(inode->i_sb, raw_inode))
5079 	err = ext4_fill_raw_inode(inode, raw_inode);
5507 	struct ext4_inode *raw_inode;
5512 	    EXT4_FITS_IN_INODE(raw_inode, ei, i_crtime)) {
5747 	struct ext4_inode *raw_inode;
5766 	raw_inode = ext4_raw_inode(iloc);
5768 	header = IHDR(inode, raw_inode);
5773 		memset((void *)raw_inode + EXT4_GOOD_OLD_INODE_SIZE +
5790 					   raw_inode, handle);