f2fs crypto: add encryption key management facilities

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This patch copies from encrypt_key.c in ext4, and modifies for f2fs.

Use GFP_NOFS, since _f2fs_get_encryption_info is called under f2fs_lock_op.

Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Ildar Muslukhov <muslukhovi@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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This commit is contained in:

Jaegeuk Kim 2015-04-21 16:23:47 -07:00

parent 57e5055b0a

commit 0adda907f2

4 changed files with 232 additions and 1 deletions

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2

fs/f2fs/Makefile

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206

fs/f2fs/crypto_key.c

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22

fs/f2fs/f2fs.h

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3

fs/f2fs/f2fs_crypto.h

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