199  * @blocksize: place to store block size
202  * exponent information written in @sbp and stores it in @blocksize,
209 			       struct nilfs_super_block *sbp, int *blocksize)  in nilfs_get_blocksize()  argument
215 		nilfs_err(sb, "too large filesystem blocksize: 2 ^ %u KiB",  in nilfs_get_blocksize()
219 	*blocksize = BLOCK_SIZE << shift_bits;  in nilfs_get_blocksize()
255 		int blocksize;  in load_nilfs()  local
276 		err = nilfs_get_blocksize(sb, sbp[0], &blocksize);  in load_nilfs()
280 		if (blocksize != nilfs->ns_blocksize) {  in load_nilfs()
282 				   "blocksize differs between two super blocks (%d != %d)",  in load_nilfs()
283 				   blocksize, nilfs->ns_blocksize);  in load_nilfs()
595 				  struct super_block *sb, int blocksize,  in nilfs_load_super_block()  argument
609 	sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,  in nilfs_load_super_block()
611 	sbp[1] = nilfs_read_super_block(sb, sb2off, blocksize, &sbh[1]);  in nilfs_load_super_block()
619 			   "unable to read primary superblock (blocksize = %d)",  in nilfs_load_super_block()
620 			   blocksize);  in nilfs_load_super_block()
623 			   "unable to read secondary superblock (blocksize = %d)",  in nilfs_load_super_block()
624 			   blocksize);  in nilfs_load_super_block()
652 			   "broken superblock, retrying with spare superblock (blocksize = %d)",  in nilfs_load_super_block()
653 			   blocksize);  in nilfs_load_super_block()
680 	int blocksize;  in init_nilfs()  local
685 	blocksize = sb_min_blocksize(sb, NILFS_MIN_BLOCK_SIZE);  in init_nilfs()
686 	if (!blocksize) {  in init_nilfs()
687 		nilfs_err(sb, "unable to set blocksize");  in init_nilfs()
691 	err = nilfs_load_super_block(nilfs, sb, blocksize, &sbp);  in init_nilfs()
703 	err = nilfs_get_blocksize(sb, sbp, &blocksize);  in init_nilfs()
707 	if (blocksize < NILFS_MIN_BLOCK_SIZE) {  in init_nilfs()
709 			  "couldn't mount because of unsupported filesystem blocksize %d",  in init_nilfs()
710 			  blocksize);  in init_nilfs()
714 	if (sb->s_blocksize != blocksize) {  in init_nilfs()
717 		if (blocksize < hw_blocksize) {  in init_nilfs()
719 				  "blocksize %d too small for device (sector-size = %d)",  in init_nilfs()
720 				  blocksize, hw_blocksize);  in init_nilfs()
725 		if (!sb_set_blocksize(sb, blocksize)) {  in init_nilfs()
726 			nilfs_err(sb, "bad blocksize %d", blocksize);  in init_nilfs()
731 		err = nilfs_load_super_block(nilfs, sb, blocksize, &sbp);  in init_nilfs()
740 	nilfs->ns_blocksize = blocksize;  in init_nilfs()