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authorTyler Hicks <tyhicks@linux.vnet.ibm.com>2010-02-11 05:09:14 -0600
committerTyler Hicks <tyhicks@linux.vnet.ibm.com>2010-03-23 12:30:41 -0500
commitfa3ef1cb4e6e9958a9bfaa977c107c515907f102 (patch)
treef297192533a0c8720534c76c6429e68ae92b94d9 /fs/ecryptfs/crypto.c
parent157f1071354db1aed885816094888e0e257c9d0a (diff)
downloadop-kernel-dev-fa3ef1cb4e6e9958a9bfaa977c107c515907f102.zip
op-kernel-dev-fa3ef1cb4e6e9958a9bfaa977c107c515907f102.tar.gz
eCryptfs: Rename ecryptfs_crypt_stat.num_header_bytes_at_front
This patch renames the num_header_bytes_at_front variable to metadata_size since it now contains the max size of the metadata. Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Diffstat (limited to 'fs/ecryptfs/crypto.c')
-rw-r--r--fs/ecryptfs/crypto.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index c907f6f..391f558 100644
--- 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;
}
/**
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