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authorTrevor Highland <trevor.highland@gmail.com>2008-02-06 10:38:33 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 19:41:12 +0100
commit8e3a6f16ba5874b69968cd450334829262513fd1 (patch)
treeae5f8535f87377c101eabda9c5508725f5f2b7bd /fs/ecryptfs/ecryptfs_kernel.h
parenteCryptfs: track header bytes rather than extents (diff)
downloadlinux-8e3a6f16ba5874b69968cd450334829262513fd1.tar.xz
linux-8e3a6f16ba5874b69968cd450334829262513fd1.zip
eCryptfs: set inode key only once per crypto operation
There is no need to keep re-setting the same key for any given eCryptfs inode. This patch optimizes the use of the crypto API and helps performance a bit. Signed-off-by: Trevor Highland <trevor.highland@gmail.com> Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs/ecryptfs_kernel.h')
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 3d637e9ca36a..2a6103954c1e 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -234,6 +234,7 @@ struct ecryptfs_crypt_stat {
#define ECRYPTFS_KEY_VALID 0x00000080
#define ECRYPTFS_METADATA_IN_XATTR 0x00000100
#define ECRYPTFS_VIEW_AS_ENCRYPTED 0x00000200
+#define ECRYPTFS_KEY_SET 0x00000400
u32 flags;
unsigned int file_version;
size_t iv_bytes;