CEPH_FSCRYPT_BLOCK_SHIFT
u64 baseblk = off >> CEPH_FSCRYPT_BLOCK_SHIFT;
int blkoff = i << CEPH_FSCRYPT_BLOCK_SHIFT;
u64 baseblk = off >> CEPH_FSCRYPT_BLOCK_SHIFT;
int blkoff = i << CEPH_FSCRYPT_BLOCK_SHIFT;
BUILD_BUG_ON(CEPH_FSCRYPT_BLOCK_SHIFT > PAGE_SHIFT);
return ((off+len+CEPH_FSCRYPT_BLOCK_SIZE-1) >> CEPH_FSCRYPT_BLOCK_SHIFT) -
(off >> CEPH_FSCRYPT_BLOCK_SHIFT);
#define CEPH_FSCRYPT_BLOCK_SIZE (_AC(1, UL) << CEPH_FSCRYPT_BLOCK_SHIFT)
first_pos >> CEPH_FSCRYPT_BLOCK_SHIFT);
last_pos >> CEPH_FSCRYPT_BLOCK_SHIFT);
inode->i_blkbits = CEPH_FSCRYPT_BLOCK_SHIFT;
inode->i_blkbits = CEPH_FSCRYPT_BLOCK_SHIFT;
u64 block = orig_pos >> CEPH_FSCRYPT_BLOCK_SHIFT;
cnt = len >> CEPH_FSCRYPT_BLOCK_SHIFT;