1 files changed, 4 insertions, 0 deletions

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 71fdc0dfa0d2..f6db66d8f647 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2478,6 +2478,10 @@ struct dentry *nfs_fs_mount_common(struct nfs_server *server,
         if (server->flags & NFS_MOUNT_NOAC)
                 sb_mntdata.mntflags |= MS_SYNCHRONOUS;
 
+        if (mount_info->cloned != NULL && mount_info->cloned->sb != NULL)
+                if (mount_info->cloned->sb->s_flags & MS_SYNCHRONOUS)
+                        sb_mntdata.mntflags |= MS_SYNCHRONOUS;
+
         /* Get a superblock - note that we may end up sharing one that already exists */
         s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata);
         if (IS_ERR(s)) {