When NFS_MOUNT_UNSHARED is not set, NFS forces the sharing of a superblock among each filesystem that mounts sub-directories elonging to a single exported root path. To prevent interference between different filesystems, ignore SB_RDONLY when mounting and remounting nfs. Li Lingfeng (2): nfs: clear SB_RDONLY before getting superblock nfs: ignore SB_RDONLY when remounting nfs fs/nfs/super.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) -- 2.31.1