Module Name: src
Committed By: hannken
Date: Fri May 1 08:43:37 UTC 2020
Modified Files:
src/sys/ufs/ufs: ufs_vfsops.c
Log Message:
There is no difference between a zero-sized and not yet
reclaimed directory vnode and a non-existent vnode.
Teach ufs_fhtovp() to treat zero-sized directories as stale.
PR kern/55211 (fs/vfs/t_vnops:nfs_dir_rmdirdotdot test fails)
To generate a diff of this commit:
cvs rdiff -u -r1.59 -r1.60 src/sys/ufs/ufs/ufs_vfsops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/ufs/ufs/ufs_vfsops.c
diff -u src/sys/ufs/ufs/ufs_vfsops.c:1.59 src/sys/ufs/ufs/ufs_vfsops.c:1.60
--- src/sys/ufs/ufs/ufs_vfsops.c:1.59 Fri Jan 17 20:08:10 2020
+++ src/sys/ufs/ufs/ufs_vfsops.c Fri May 1 08:43:37 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: ufs_vfsops.c,v 1.59 2020/01/17 20:08:10 ad Exp $ */
+/* $NetBSD: ufs_vfsops.c,v 1.60 2020/05/01 08:43:37 hannken Exp $ */
/*
* Copyright (c) 1991, 1993, 1994
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ufs_vfsops.c,v 1.59 2020/01/17 20:08:10 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ufs_vfsops.c,v 1.60 2020/05/01 08:43:37 hannken Exp $");
#if defined(_KERNEL_OPT)
#include "opt_ffs.h"
@@ -247,7 +247,8 @@ ufs_fhtovp(struct mount *mp, struct ufid
}
ip = VTOI(nvp);
KASSERT(ip != NULL);
- if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen) {
+ if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen ||
+ ((ip->i_mode & IFMT) == IFDIR && ip->i_size == 0)) {
vput(nvp);
*vpp = NULLVP;
return (ESTALE);
