1 files changed, 4 insertions, 3 deletions

diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 872943004e59..8b15bb22caca 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -256,11 +256,12 @@ static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt)
 }
 
 static void
-v9fs_umount_begin(struct super_block *sb)
+v9fs_umount_begin(struct vfsmount *vfsmnt, int flags)
 {
-        struct v9fs_session_info *v9ses = sb->s_fs_info;
+        struct v9fs_session_info *v9ses = vfsmnt->mnt_sb->s_fs_info;
 
-        v9fs_session_cancel(v9ses);
+        if (flags & MNT_FORCE)
+                v9fs_session_cancel(v9ses);
 }
 
 static struct super_operations v9fs_super_ops = {