linux-kernel - [PATCH v6 15/15] ceph: allow idmapped mounts

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Message-Id: <20230609093125.252186-16-aleksandr.mikhalitsyn@canonical.com>
Date:   Fri,  9 Jun 2023 11:31:26 +0200
From:   Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
To:     xiubli@...hat.com
Cc:     brauner@...nel.org, stgraber@...ntu.com,
        linux-fsdevel@...r.kernel.org,
        Christian Brauner <christian.brauner@...ntu.com>,
        Jeff Layton <jlayton@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>, ceph-devel@...r.kernel.org,
        Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v6 15/15] ceph: allow idmapped mounts

From: Christian Brauner <christian.brauner@...ntu.com>

Now that we converted cephfs internally to account for idmapped mounts
allow the creation of idmapped mounts on by setting the FS_ALLOW_IDMAP
flag.

Cc: Xiubo Li <xiubli@...hat.com>
Cc: Jeff Layton <jlayton@...nel.org>
Cc: Ilya Dryomov <idryomov@...il.com>
Cc: ceph-devel@...r.kernel.org
Signed-off-by: Christian Brauner <christian.brauner@...ntu.com>
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
---
 fs/ceph/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 3d6d0010d638..aabc8ac90ead 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -1581,7 +1581,7 @@ static struct file_system_type ceph_fs_type = {
 	.name		= "ceph",
 	.init_fs_context = ceph_init_fs_context,
 	.kill_sb	= ceph_kill_sb,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE | FS_ALLOW_IDMAP,
 };
 MODULE_ALIAS_FS("ceph");
 
-- 
2.34.1