Author: rmacklem
Date: Thu Oct 21 18:49:12 2010
New Revision: 214149
URL: http://svn.freebsd.org/changeset/base/214149
Log:
Modify the experimental NFS server in a manner analagous to
r214049 for the regular NFS server, so that it will not do
a VOP_LOOKUP() of ".." when at the root of a file system
when performing a ReaddirPlus RPC.
MFC after: 10 days
Modified:
head/sys/fs/nfsserver/nfs_nfsdport.c
Modified: head/sys/fs/nfsserver/nfs_nfsdport.c
==============================================================================
--- head/sys/fs/nfsserver/nfs_nfsdport.c Thu Oct 21 18:30:48 2010
(r214148)
+++ head/sys/fs/nfsserver/nfs_nfsdport.c Thu Oct 21 18:49:12 2010
(r214149)
@@ -1933,7 +1933,15 @@ again:
vn_lock(vp,
LK_EXCLUSIVE |
LK_RETRY);
- r = VOP_LOOKUP(vp, &nvp, &cn);
+ if ((vp->v_vflag & VV_ROOT) != 0
+ && (cn.cn_flags & ISDOTDOT)
+ != 0) {
+ vref(vp);
+ nvp = vp;
+ r = 0;
+ } else
+ r = VOP_LOOKUP(vp, &nvp,
+ &cn);
}
}
if (!r) {
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