From: Matthew Dillon <dillon@apollo.backplane.com>
Date: Fri, 23 Mar 2012 20:38:29 +0000 (-0700)
Subject: kernel - Improve NFS server error responses when an inode goes away
X-Git-Tag: v3.0.3~87
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/45ca23e3ebb1a0d433018c0f2ce762366f1234fe

kernel - Improve NFS server error responses when an inode goes away

* When an inode goes away and FHTOVP fails return ESTALE instead of
  what the VFS returned.

* Greatly improves the re-acquisition of files on NFS clients which have
  been ripped out by the server or other clients.
---

diff --git a/sys/vfs/nfs/nfs_subs.c b/sys/vfs/nfs/nfs_subs.c
index 3e98d5fd7d..0e12c6cb13 100644
--- a/sys/vfs/nfs/nfs_subs.c
+++ b/sys/vfs/nfs/nfs_subs.c
@@ -1228,7 +1228,7 @@ nfsrv_fhtovp(fhandle_t *fhp, int lockflag,
 		return (error); 
 	error = VFS_FHTOVP(mp, NULL, &fhp->fh_fid, vpp);
 	if (error)
-		return (error);
+		return (ESTALE);
 #ifdef MNT_EXNORESPORT
 	if (!(exflags & (MNT_EXNORESPORT|MNT_EXPUBLIC))) {
 		saddr = (struct sockaddr_in *)nam;