From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Tue, 21 Apr 2015 23:23:47 +0000 (-0700)
Subject: f2fs crypto: add encryption key management facilities
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~156^2~47
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0adda907f23df2e19355b58a20f0a7ff76587c6a;p=pandora-kernel.git

f2fs crypto: add encryption key management facilities

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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