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Use LK_SHARED, it is sufficient for VOP_GETATTR() and VOP_READDIR().

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This commit is contained in:
hannken 2011-08-10 06:19:54 +00:00
parent 8225acd644
commit 9be6a4a9b4
1 changed files with 3 additions and 3 deletions
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6
sys/fs/union/union_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: union_subr.c,v 1.44 2011/08/07 06:01:51 hannken Exp $ */
/* $NetBSD: union_subr.c,v 1.45 2011/08/10 06:19:54 hannken Exp $ */
/*
* Copyright (c) 1994
@ -72,7 +72,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: union_subr.c,v 1.44 2011/08/07 06:01:51 hannken Exp $");
__KERNEL_RCSID(0, "$NetBSD: union_subr.c,v 1.45 2011/08/10 06:19:54 hannken Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1221,7 +1221,7 @@ union_check_rmdir(struct union_node *un, kauth_cred_t cred)
return 0;
/* Check lower for being empty. */
vn_lock(un->un_lowervp, LK_EXCLUSIVE | LK_RETRY);
vn_lock(un->un_lowervp, LK_SHARED | LK_RETRY);
error = VOP_GETATTR(un->un_lowervp, &va, cred);
if (error) {
VOP_UNLOCK(un->un_lowervp);