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eCryptfs: set inode key only once per crypto operation

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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>
This commit is contained in:
Trevor Highland
2008-02-06 01:38:33 -08:00
committed by Linus Torvalds
parent cc11beffdf
commit 8e3a6f16ba
2 changed files with 6 additions and 2 deletions
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fs/ecryptfs/ecryptfs_kernel.h
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@@ -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;