eCryptfs: remove header_extent_size

There is no point to keeping a separate header_extent_size and an extent_size.
 The total size of the header can always be represented as some multiple of
the regular data extent size.

[randy.dunlap@oracle.com: ecryptfs: fix printk format warning]
Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 131954b3fb98..abac91c58bfb 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -392,7 +392,8 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
                 dentry->d_sb)->mount_crypt_stat;
         if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED) {
                 if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
-                        file_size = (crypt_stat->header_extent_size
+                        file_size = ((crypt_stat->extent_size
+                                      * crypt_stat->num_header_extents_at_front)
                                      + i_size_read(lower_dentry->d_inode));
                 else
                         file_size = i_size_read(lower_dentry->d_inode);
@@ -722,8 +723,8 @@ upper_size_to_lower_size(struct ecryptfs_crypt_stat *crypt_stat,
 {
         loff_t lower_size;
 
-        lower_size = ( crypt_stat->header_extent_size
-                       * crypt_stat->num_header_extents_at_front );
+        lower_size = (crypt_stat->extent_size
+                      * crypt_stat->num_header_extents_at_front);
         if (upper_size != 0) {
                 loff_t num_extents;