libceph, ceph: change permission for readonly debugfs entries

Remove write permission for debugfs entries which only have readonly
function.

Signed-off-by: Chengguang Xu <cgxu519@icloud.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 644def813754..abdf98deeec4 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -260,7 +260,7 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
                 goto out;
 
         fsc->debugfs_mdsmap = debugfs_create_file("mdsmap",
-                                        0600,
+                                        0400,
                                         fsc->client->debugfs_dir,
                                         fsc,
                                         &mdsmap_show_fops);
@@ -268,7 +268,7 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
                 goto out;
 
         fsc->debugfs_mds_sessions = debugfs_create_file("mds_sessions",
-                                        0600,
+                                        0400,
                                         fsc->client->debugfs_dir,
                                         fsc,
                                         &mds_sessions_show_fops);
@@ -276,7 +276,7 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
                 goto out;
 
         fsc->debugfs_mdsc = debugfs_create_file("mdsc",
-                                                0600,
+                                                0400,
                                                 fsc->client->debugfs_dir,
                                                 fsc,
                                                 &mdsc_show_fops);
@@ -292,7 +292,7 @@ int ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
                 goto out;
 
         fsc->debugfs_dentry_lru = debugfs_create_file("dentry_lru",
-                                        0600,
+                                        0400,
                                         fsc->client->debugfs_dir,
                                         fsc,
                                         &dentry_lru_show_fops);