fs/nilfs2/the_nilfs.c

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)
215 		nilfs_err(sb, "too large filesystem blocksize: 2 ^ %u KiB",
219 	*blocksize = BLOCK_SIZE << shift_bits;
255 		int blocksize;
276 		err = nilfs_get_blocksize(sb, sbp[0], &blocksize);
280 		if (blocksize != nilfs->ns_blocksize) {
282 				   "blocksize differs between two super blocks (%d != %d)",
283 				   blocksize, nilfs->ns_blocksize);
589 				  struct super_block *sb, int blocksize,
603 	sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,
605 	sbp[1] = nilfs_read_super_block(sb, sb2off, blocksize, &sbh[1]);
613 			   "unable to read primary superblock (blocksize = %d)",
614 			   blocksize);
617 			   "unable to read secondary superblock (blocksize = %d)",
618 			   blocksize);
646 			   "broken superblock, retrying with spare superblock (blocksize = %d)",
647 			   blocksize);
674 	int blocksize;
679 	blocksize = sb_min_blocksize(sb, NILFS_MIN_BLOCK_SIZE);
680 	if (!blocksize) {
681 		nilfs_err(sb, "unable to set blocksize");
685 	err = nilfs_load_super_block(nilfs, sb, blocksize, &sbp);
697 	err = nilfs_get_blocksize(sb, sbp, &blocksize);
701 	if (blocksize < NILFS_MIN_BLOCK_SIZE) {
703 			  "couldn't mount because of unsupported filesystem blocksize %d",
704 			  blocksize);
708 	if (sb->s_blocksize != blocksize) {
711 		if (blocksize < hw_blocksize) {
713 				  "blocksize %d too small for device (sector-size = %d)",
714 				  blocksize, hw_blocksize);
719 		if (!sb_set_blocksize(sb, blocksize)) {
720 			nilfs_err(sb, "bad blocksize %d", blocksize);
725 		err = nilfs_load_super_block(nilfs, sb, blocksize, &sbp);
734 	nilfs->ns_blocksize = blocksize;