f2fs: introduce a new mount option test_dummy_encryption
This patch introduces a new mount option `test_dummy_encryption'
to allow fscrypt to create a fake fscrypt context. This is used
by xfstests.
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
index c1c6099..e85f9e1 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -186,6 +186,8 @@
fsync will be heavy and behaves in line with xfs, ext4
and btrfs, where xfstest generic/342 will pass, but the
performance will regress.
+test_dummy_encryption Enable dummy encryption, which provides a fake fscrypt
+ context. The fake fscrypt context is used by xfstests.
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