msdosfs_reclaim(): add missing fstrans and protect change
of v_data with v_interlock as msdosfs_sync() now needs it.
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@ -1,4 +1,4 @@
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/* $NetBSD: msdosfs_denode.c,v 1.48 2012/12/20 08:03:42 hannken Exp $ */
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/* $NetBSD: msdosfs_denode.c,v 1.49 2014/05/30 08:42:35 hannken Exp $ */
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/*-
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/*-
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* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
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* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
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@ -48,7 +48,7 @@
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: msdosfs_denode.c,v 1.48 2012/12/20 08:03:42 hannken Exp $");
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__KERNEL_RCSID(0, "$NetBSD: msdosfs_denode.c,v 1.49 2014/05/30 08:42:35 hannken Exp $");
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/systm.h>
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@ -671,8 +671,10 @@ msdosfs_reclaim(void *v)
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struct vnode *a_vp;
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struct vnode *a_vp;
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} */ *ap = v;
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} */ *ap = v;
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struct vnode *vp = ap->a_vp;
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struct vnode *vp = ap->a_vp;
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struct mount *mp = vp->v_mount;
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struct denode *dep = VTODE(vp);
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struct denode *dep = VTODE(vp);
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fstrans_start(mp, FSTRANS_LAZY);
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#ifdef MSDOSFS_DEBUG
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#ifdef MSDOSFS_DEBUG
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printf("msdosfs_reclaim(): dep %p, file %s, refcnt %ld\n",
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printf("msdosfs_reclaim(): dep %p, file %s, refcnt %ld\n",
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dep, dep->de_Name, dep->de_refcnt);
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dep, dep->de_Name, dep->de_refcnt);
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@ -694,9 +696,15 @@ msdosfs_reclaim(void *v)
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#if 0 /* XXX */
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#if 0 /* XXX */
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dep->de_flag = 0;
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dep->de_flag = 0;
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#endif
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#endif
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/*
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* To interlock with msdosfs_sync().
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*/
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genfs_node_destroy(vp);
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genfs_node_destroy(vp);
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pool_put(&msdosfs_denode_pool, dep);
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mutex_enter(vp->v_interlock);
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vp->v_data = NULL;
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vp->v_data = NULL;
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mutex_exit(vp->v_interlock);
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pool_put(&msdosfs_denode_pool, dep);
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fstrans_done(mp);
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return (0);
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return (0);
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}
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}
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