ceph: set i_blkbits to crypto block size for encrypted inodes

Some of the underlying infrastructure for fscrypt relies on i_blkbits
being aligned to the crypto blocksize.

Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 5782e6e2b0244848d88fa4cdd6d66695d697b5ec..6cb791bc870197d271edd9b60a29d0a8a620e90f 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -988,13 +988,6 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page,
        issued |= __ceph_caps_dirty(ci);
        new_issued = ~issued & info_caps;
 
-       /* directories have fl_stripe_unit set to zero */
-       if (le32_to_cpu(info->layout.fl_stripe_unit))
-               inode->i_blkbits =
-                       fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
-       else
-               inode->i_blkbits = CEPH_BLOCK_SHIFT;
-
        __ceph_update_quota(ci, iinfo->max_bytes, iinfo->max_files);
 
 #ifdef CONFIG_FS_ENCRYPTION
@@ -1020,6 +1013,15 @@ int ceph_fill_inode(struct inode *inode, struct page *locked_page,
                ceph_decode_timespec64(&ci->i_snap_btime, &iinfo->snap_btime);
        }
 
+       /* directories have fl_stripe_unit set to zero */
+       if (IS_ENCRYPTED(inode))
+               inode->i_blkbits = CEPH_FSCRYPT_BLOCK_SHIFT;
+       else if (le32_to_cpu(info->layout.fl_stripe_unit))
+               inode->i_blkbits =
+                       fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
+       else
+               inode->i_blkbits = CEPH_BLOCK_SHIFT;
+
        if ((new_version || (new_issued & CEPH_CAP_LINK_SHARED)) &&
            (issued & CEPH_CAP_LINK_EXCL) == 0)
                set_nlink(inode, le32_to_cpu(info->nlink));