eCryptfs: Remove ecryptfs_unlink_sigs warnings

A feature was added to the eCryptfs umount helper to automatically
unlink the keys used for an eCryptfs mount from the kernel keyring upon
umount.  This patch keeps the unrecognized mount option warnings for
ecryptfs_unlink_sigs out of the logs.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index b5003023f106..fa4c7e7d15d9 100644
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -189,6 +189,8 @@ static int ecryptfs_show_options(struct seq_file *m, struct vfsmount *mnt)
                 seq_printf(m, ",ecryptfs_xattr_metadata");
         if (mount_crypt_stat->flags & ECRYPTFS_ENCRYPTED_VIEW_ENABLED)
                 seq_printf(m, ",ecryptfs_encrypted_view");
+        if (mount_crypt_stat->flags & ECRYPTFS_UNLINK_SIGS)
+                seq_printf(m, ",ecryptfs_unlink_sigs");
 
         return 0;
 }