From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 5 Jun 2007 23:13:47 +0000 (-0400)
Subject: NFS: Re-enable forced umounts
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fc6ae3cf482c385a6fe87ba119d399bb85aa670b;p=linux-beck.git

NFS: Re-enable forced umounts

They disappeared some time around 2.6.18.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ca20d3cc2609..14c7923697d2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -430,7 +430,20 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
  */
 static void nfs_umount_begin(struct vfsmount *vfsmnt, int flags)
 {
+	struct nfs_server *server = NFS_SB(vfsmnt->mnt_sb);
+	struct rpc_clnt *rpc;
+
 	shrink_submounts(vfsmnt, &nfs_automount_list);
+
+	if (!(flags & MNT_FORCE))
+		return;
+	/* -EIO all pending I/O */
+	rpc = server->client_acl;
+	if (!IS_ERR(rpc))
+		rpc_killall_tasks(rpc);
+	rpc = server->client;
+	if (!IS_ERR(rpc))
+		rpc_killall_tasks(rpc);
 }
 
 /*