Author: rmacklem
Date: Wed Apr 20 23:25:18 2011
New Revision: 220906
URL: http://svn.freebsd.org/changeset/base/220906
Log:
Add a check for VI_DOOMED at the beginning of nfscl_request()
so that it won't try and use vp->v_mount to do an RPC during
a forced dismount. There needs to be at least one more kernel
commit, plus a change to the umount(8) command before forced
dismounts will work for the experimental NFS client.
MFC after: 2 weeks
Modified:
head/sys/fs/nfsclient/nfs_clport.c
Modified: head/sys/fs/nfsclient/nfs_clport.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clport.c Wed Apr 20 23:20:00 2011
(r220905)
+++ head/sys/fs/nfsclient/nfs_clport.c Wed Apr 20 23:25:18 2011
(r220906)
@@ -819,6 +819,8 @@ nfscl_request(struct nfsrv_descript *nd,
int ret, vers;
struct nfsmount *nmp;
+ if ((vp->v_iflag & VI_DOOMED) != 0)
+ return (EPERM);
nmp = VFSTONFS(vp->v_mount);
if (nd->nd_flag & ND_NFSV4)
vers = NFS_VER4;
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