From: Xiubo Li <xiubli@xxxxxxxxxx> The code are refered to the userspace libcephfs: https://github.com/ceph/ceph/pull/48027. V3: - Fix https://tracker.ceph.com/issues/63141. V2: - Fix memleak for built 'path'. Xiubo Li (6): ceph: save the cap_auths in client when session being opened ceph: add ceph_mds_check_access() helper support ceph: check the cephx mds auth access for setattr ceph: check the cephx mds auth access for open ceph: check the cephx mds auth access for async dirop ceph: add CEPHFS_FEATURE_MDS_AUTH_CAPS_CHECK feature bit fs/ceph/dir.c | 28 +++++ fs/ceph/file.c | 61 +++++++++- fs/ceph/inode.c | 46 ++++++-- fs/ceph/mds_client.c | 265 ++++++++++++++++++++++++++++++++++++++++++- fs/ceph/mds_client.h | 28 ++++- 5 files changed, 415 insertions(+), 13 deletions(-) -- 2.41.0