ceph: show non-default options only

Don't pollute /proc/mounts with default options (presently these are
dcache, nofsc and acl).  Leave the acl/noacl however - it's a bit of
a special case due to CONFIG_CEPH_FS_POSIX_ACL.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 34a779e..e463ebd 100644 (file)
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -432,14 +432,10 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
                seq_puts(m, ",norbytes");
        if (fsopt->flags & CEPH_MOUNT_OPT_NOASYNCREADDIR)
                seq_puts(m, ",noasyncreaddir");
-       if (fsopt->flags & CEPH_MOUNT_OPT_DCACHE)
-               seq_puts(m, ",dcache");
-       else
+       if ((fsopt->flags & CEPH_MOUNT_OPT_DCACHE) == 0)
                seq_puts(m, ",nodcache");
        if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE)
                seq_puts(m, ",fsc");
-       else
-               seq_puts(m, ",nofsc");
 
 #ifdef CONFIG_CEPH_FS_POSIX_ACL
        if (fsopt->sb_flags & MS_POSIXACL)