eCryptfs: Rename ecryptfs_crypt_stat.num_header_bytes_at_front

[safe/jmp/linux-2.6] / fs / ecryptfs / crypto.c

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index c907f6f..391f558 100644 (file)
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -834,14 +834,13 @@ void ecryptfs_set_default_sizes(struct ecryptfs_crypt_stat *crypt_stat)
        set_extent_mask_and_shift(crypt_stat);
        crypt_stat->iv_bytes = ECRYPTFS_DEFAULT_IV_BYTES;
        if (crypt_stat->flags & ECRYPTFS_METADATA_IN_XATTR)
-               crypt_stat->num_header_bytes_at_front =
-                                       ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
+               crypt_stat->metadata_size = ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
        else {
                if (PAGE_CACHE_SIZE <= ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE)
-                       crypt_stat->num_header_bytes_at_front =
+                       crypt_stat->metadata_size =
                                ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
                else
-                       crypt_stat->num_header_bytes_at_front = PAGE_CACHE_SIZE;
+                       crypt_stat->metadata_size = PAGE_CACHE_SIZE;
        }
 }
 
@@ -1238,8 +1237,7 @@ ecryptfs_write_header_metadata(char *virt,
 
        header_extent_size = (u32)crypt_stat->extent_size;
        num_header_extents_at_front =
-               (u16)(crypt_stat->num_header_bytes_at_front
-                     / crypt_stat->extent_size);
+               (u16)(crypt_stat->metadata_size / crypt_stat->extent_size);
        put_unaligned_be32(header_extent_size, virt);
        virt += 4;
        put_unaligned_be16(num_header_extents_at_front, virt);
@@ -1382,7 +1380,7 @@ int ecryptfs_write_metadata(struct dentry *ecryptfs_dentry)
                rc = -EINVAL;
                goto out;
        }
-       virt_len = crypt_stat->num_header_bytes_at_front;
+       virt_len = crypt_stat->metadata_size;
        order = get_order(virt_len);
        /* Released in this function */
        virt = (char *)ecryptfs_get_zeroed_pages(GFP_KERNEL, order);
@@ -1428,16 +1426,15 @@ static int parse_header_metadata(struct ecryptfs_crypt_stat *crypt_stat,
        header_extent_size = get_unaligned_be32(virt);
        virt += sizeof(__be32);
        num_header_extents_at_front = get_unaligned_be16(virt);
-       crypt_stat->num_header_bytes_at_front =
-               (((size_t)num_header_extents_at_front
-                 * (size_t)header_extent_size));
+       crypt_stat->metadata_size = (((size_t)num_header_extents_at_front
+                                    * (size_t)header_extent_size));
        (*bytes_read) = (sizeof(__be32) + sizeof(__be16));
        if ((validate_header_size == ECRYPTFS_VALIDATE_HEADER_SIZE)
-           && (crypt_stat->num_header_bytes_at_front
+           && (crypt_stat->metadata_size
                < ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE)) {
                rc = -EINVAL;
                printk(KERN_WARNING "Invalid header size: [%zd]\n",
-                      crypt_stat->num_header_bytes_at_front);
+                      crypt_stat->metadata_size);
        }
        return rc;
 }
@@ -1452,8 +1449,7 @@ static int parse_header_metadata(struct ecryptfs_crypt_stat *crypt_stat,
  */
 static void set_default_header_data(struct ecryptfs_crypt_stat *crypt_stat)
 {
-       crypt_stat->num_header_bytes_at_front =
-               ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
+       crypt_stat->metadata_size = ECRYPTFS_MINIMUM_HEADER_EXTENT_SIZE;
 }
 
 /**