ocfs2: local mounts

This allows users to format an ocfs2 file system with a special flag,
OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT. When the file system sees this flag, it
will not use any cluster services, nor will it require a cluster
configuration, thus acting like a 'local' file system.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 42e361f3054f..e4d91493d7d7 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -423,7 +423,8 @@ static int ocfs2_read_locked_inode(struct inode *inode,
          * cluster lock before trusting anything anyway.
          */
         can_lock = !(args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
-                && !(args->fi_flags & OCFS2_FI_FLAG_NOLOCK);
+                && !(args->fi_flags & OCFS2_FI_FLAG_NOLOCK)
+                && !ocfs2_mount_local(osb);
 
         /*
          * To maintain backwards compatibility with older versions of