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Double-checkpoint on unmount. This ensures that vnodes belonging to removed

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files are really freed, preventing occasional spurious EBUSY returns from
vflush().
This commit is contained in:
perseant 2006-03-28 23:57:41 +00:00
parent cde00d4a4b
commit 0a4e8d80c1
1 changed files with 5 additions and 4 deletions
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9
sys/ufs/lfs/lfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: lfs_vfsops.c,v 1.195 2006/03/24 20:05:32 perseant Exp $ */
/* $NetBSD: lfs_vfsops.c,v 1.196 2006/03/28 23:57:41 perseant Exp $ */
/*-
* Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lfs_vfsops.c,v 1.195 2006/03/24 20:05:32 perseant Exp $");
__KERNEL_RCSID(0, "$NetBSD: lfs_vfsops.c,v 1.196 2006/03/28 23:57:41 perseant Exp $");
#if defined(_KERNEL_OPT)
#include "opt_quota.h"
@ -1363,8 +1363,9 @@ lfs_unmount(struct mount *mp, int mntflags, struct lwp *l)
ump = VFSTOUFS(mp);
fs = ump->um_lfs;
/* Write everything we've got */
lfs_segwrite(mp, SEGM_CKP);
/* Two checkpoints */
lfs_segwrite(mp, SEGM_CKP | SEGM_SYNC);
lfs_segwrite(mp, SEGM_CKP | SEGM_SYNC);
/* wake up the cleaner so it can die */
wakeup(&fs->lfs_nextseg);