if (blocksize < HFSPLUS_SECTOR_SIZE || ((blocksize - 1) & blocksize))
goto out_free_backup_vhdr;
sbi->alloc_blksz = blocksize;
- sbi->alloc_blksz_shift = 0;
- while ((blocksize >>= 1) != 0)
- sbi->alloc_blksz_shift++;
+ sbi->alloc_blksz_shift = ilog2(blocksize);
blocksize = min_t(u32, sbi->alloc_blksz, PAGE_SIZE);
/*