159 	struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);  in hfsplus_read_wrapper()  local
174 	sbi->s_vhdr_buf = kmalloc(hfsplus_min_io_size(sb), GFP_KERNEL);  in hfsplus_read_wrapper()
175 	if (!sbi->s_vhdr_buf)  in hfsplus_read_wrapper()
177 	sbi->s_backup_vhdr_buf = kmalloc(hfsplus_min_io_size(sb), GFP_KERNEL);  in hfsplus_read_wrapper()
178 	if (!sbi->s_backup_vhdr_buf)  in hfsplus_read_wrapper()
183 				   sbi->s_vhdr_buf, (void **)&sbi->s_vhdr,  in hfsplus_read_wrapper()
189 	switch (sbi->s_vhdr->signature) {  in hfsplus_read_wrapper()
191 		set_bit(HFSPLUS_SB_HFSX, &sbi->flags);  in hfsplus_read_wrapper()
196 		if (!hfsplus_read_mdb(sbi->s_vhdr, &wd))  in hfsplus_read_wrapper()
215 				   sbi->s_backup_vhdr_buf,  in hfsplus_read_wrapper()
216 				   (void **)&sbi->s_backup_vhdr, READ);  in hfsplus_read_wrapper()
221 	if (sbi->s_backup_vhdr->signature != sbi->s_vhdr->signature) {  in hfsplus_read_wrapper()
226 	blocksize = be32_to_cpu(sbi->s_vhdr->blocksize);  in hfsplus_read_wrapper()
233 	sbi->alloc_blksz = blocksize;  in hfsplus_read_wrapper()
234 	sbi->alloc_blksz_shift = ilog2(blocksize);  in hfsplus_read_wrapper()
235 	blocksize = min_t(u32, sbi->alloc_blksz, PAGE_SIZE);  in hfsplus_read_wrapper()
248 	sbi->blockoffset =  in hfsplus_read_wrapper()
250 	sbi->part_start = part_start;  in hfsplus_read_wrapper()
251 	sbi->sect_count = part_size;  in hfsplus_read_wrapper()
252 	sbi->fs_shift = sbi->alloc_blksz_shift - sb->s_blocksize_bits;  in hfsplus_read_wrapper()
256 	kfree(sbi->s_backup_vhdr_buf);  in hfsplus_read_wrapper()
258 	kfree(sbi->s_vhdr_buf);  in hfsplus_read_wrapper()