linux-kernel - [PATCH] ceph: support legacy v1 encryption policy keysetup

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Message-Id: <20220325164947.22062-1-lhenriques@suse.de>
Date:   Fri, 25 Mar 2022 16:49:47 +0000
From:   Luís Henriques <lhenriques@...e.de>
To:     Jeff Layton <jlayton@...nel.org>, Xiubo Li <xiubli@...hat.com>,
        Ilya Dryomov <idryomov@...il.com>
Cc:     ceph-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luís Henriques <lhenriques@...e.de>
Subject: [PATCH] ceph: support legacy v1 encryption policy keysetup

fstests make use of legacy keysetup where the key description uses a
filesystem-specific prefix.  Add this ceph-specific prefix to the
fscrypt_operations data structure.

Signed-off-by: Luís Henriques <lhenriques@...e.de>
---
 fs/ceph/crypto.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c
index c2e28ae54323..2a8f95885e7d 100644
--- a/fs/ceph/crypto.c
+++ b/fs/ceph/crypto.c
@@ -77,6 +77,7 @@ static const union fscrypt_policy *ceph_get_dummy_policy(struct super_block *sb)
 }
 
 static struct fscrypt_operations ceph_fscrypt_ops = {
+	.key_prefix		= "ceph:",
 	.get_context		= ceph_crypt_get_context,
 	.set_context		= ceph_crypt_set_context,
 	.get_dummy_policy	= ceph_get_dummy_policy,