tree 50549389b403fac7179bc6f93ecb178091ad4c31
parent 1aaa6e8b24114757a836ae0e62d2096deb76f274
author Theodore Ts'o <tytso@mit.edu> 1433093494 -0400
committer Theodore Ts'o <tytso@mit.edu> 1433093494 -0400

ext4 crypto: shrink size of the ext4_crypto_ctx structure

Some fields are only used when the crypto_ctx is being used on the
read path, some are only used on the write path, and some are only
used when the structure is on free list.  Optimize memory use by using
a union.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>