Module Name:    src
Committed By:   hannken
Date:           Thu Nov 13 16:51:53 UTC 2014

Modified Files:
        src/sys/fs/ntfs: ntfs.h ntfs_inode.h ntfs_subr.c ntfs_subr.h
            ntfs_vfsops.c ntfs_vnops.c

Log Message:
Change ntfs to vcache.
- Use (inumber, attrtype, attrname) as key.
- Inline ntfs_fget() and ntfs_frele() as they only get called once.


To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 src/sys/fs/ntfs/ntfs.h
cvs rdiff -u -r1.8 -r1.9 src/sys/fs/ntfs/ntfs_inode.h \
    src/sys/fs/ntfs/ntfs_subr.h
cvs rdiff -u -r1.53 -r1.54 src/sys/fs/ntfs/ntfs_subr.c
cvs rdiff -u -r1.96 -r1.97 src/sys/fs/ntfs/ntfs_vfsops.c
cvs rdiff -u -r1.58 -r1.59 src/sys/fs/ntfs/ntfs_vnops.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/fs/ntfs/ntfs.h
diff -u src/sys/fs/ntfs/ntfs.h:1.19 src/sys/fs/ntfs/ntfs.h:1.20
--- src/sys/fs/ntfs/ntfs.h:1.19	Mon May  5 17:11:16 2008
+++ src/sys/fs/ntfs/ntfs.h	Thu Nov 13 16:51:53 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntfs.h,v 1.19 2008/05/05 17:11:16 ad Exp $	*/
+/*	$NetBSD: ntfs.h,v 1.20 2014/11/13 16:51:53 hannken Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999 Semen Ustimenko
@@ -294,7 +294,6 @@ struct ntfsmount {
 #ifdef _KERNEL
 MALLOC_DECLARE(M_NTFSMNT);
 MALLOC_DECLARE(M_NTFSNTNODE);
-MALLOC_DECLARE(M_NTFSFNODE);
 MALLOC_DECLARE(M_NTFSDIR);
 MALLOC_DECLARE(M_NTFSNTVATTR);
 MALLOC_DECLARE(M_NTFSRDATA);

Index: src/sys/fs/ntfs/ntfs_inode.h
diff -u src/sys/fs/ntfs/ntfs_inode.h:1.8 src/sys/fs/ntfs/ntfs_inode.h:1.9
--- src/sys/fs/ntfs/ntfs_inode.h:1.8	Thu Nov 13 16:49:56 2014
+++ src/sys/fs/ntfs/ntfs_inode.h	Thu Nov 13 16:51:53 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntfs_inode.h,v 1.8 2014/11/13 16:49:56 hannken Exp $	*/
+/*	$NetBSD: ntfs_inode.h,v 1.9 2014/11/13 16:51:53 hannken Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999 Semen Ustimenko
@@ -64,7 +64,6 @@ struct ntnode {
 	int		i_usecount;
 	int		i_busy;
 
-	LIST_HEAD(,fnode)	i_fnlist;
 	LIST_HEAD(,ntvattr)	i_valist;
 
 	long		i_nlink;	/* MFR */
@@ -72,15 +71,19 @@ struct ntnode {
 	u_int32_t	i_frflag;	/* MFR */
 };
 
-#define	FN_PRELOADED	0x0001
-#define	FN_VALID	0x0002
+#define NTKEY_SIZE(attrlen) (sizeof(struct ntkey) + (attrlen))
+struct ntkey {
+	ino_t		k_ino;		/* Inode number of ntnode. */
+	u_int32_t	k_attrtype;	/* Attribute type. */
+	char		k_attrname[1];	/* Attribute name (variable length). */
+} __packed;
+
 struct fnode {
 	struct genfs_node f_gnode;
 
 	LIST_ENTRY(fnode) f_fnlist;
 	struct vnode   *f_vp;		/* Associatied vnode */
 	struct ntnode  *f_ip;		/* Associated ntnode */
-	u_long		f_flag;
 
 	ntfs_times_t	f_times;	/* $NAME/dirinfo */
 	ino_t		f_pnumber;	/* $NAME/dirinfo */
@@ -88,8 +91,11 @@ struct fnode {
 	u_int64_t	f_size;		/* defattr/dirinfo: */
 	u_int64_t	f_allocated;	/* defattr/dirinfo */
 
-	u_int32_t	f_attrtype;
-	char	       *f_attrname;
+	struct ntkey   *f_key;
+	struct ntkey	f_smallkey;
+#define f_ino f_key->k_ino
+#define f_attrtype f_key->k_attrtype
+#define f_attrname f_key->k_attrname
 
 	/* for ntreaddir */
 	u_int32_t       f_lastdattr;
Index: src/sys/fs/ntfs/ntfs_subr.h
diff -u src/sys/fs/ntfs/ntfs_subr.h:1.8 src/sys/fs/ntfs/ntfs_subr.h:1.9
--- src/sys/fs/ntfs/ntfs_subr.h:1.8	Thu Nov 13 16:51:10 2014
+++ src/sys/fs/ntfs/ntfs_subr.h	Thu Nov 13 16:51:53 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntfs_subr.h,v 1.8 2014/11/13 16:51:10 hannken Exp $	*/
+/*	$NetBSD: ntfs_subr.h,v 1.9 2014/11/13 16:51:53 hannken Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999 Semen Ustimenko
@@ -111,9 +111,6 @@ int ntfs_writeattr_plain(struct ntfsmoun
 void ntfs_toupper_init(void);
 int ntfs_toupper_use(struct mount *, struct ntfsmount *);
 void ntfs_toupper_unuse(void);
-int ntfs_fget(struct ntfsmount *, struct ntnode *, int, const char *,
-	struct fnode **);
-void ntfs_frele(struct fnode *);
 
 /* ntfs_conv.c stuff */
 ntfs_wget_func_t ntfs_utf8_wget;

Index: src/sys/fs/ntfs/ntfs_subr.c
diff -u src/sys/fs/ntfs/ntfs_subr.c:1.53 src/sys/fs/ntfs/ntfs_subr.c:1.54
--- src/sys/fs/ntfs/ntfs_subr.c:1.53	Thu Nov 13 16:51:10 2014
+++ src/sys/fs/ntfs/ntfs_subr.c	Thu Nov 13 16:51:53 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntfs_subr.c,v 1.53 2014/11/13 16:51:10 hannken Exp $	*/
+/*	$NetBSD: ntfs_subr.c,v 1.54 2014/11/13 16:51:53 hannken Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999 Semen Ustimenko (sem...@freebsd.org)
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ntfs_subr.c,v 1.53 2014/11/13 16:51:10 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ntfs_subr.c,v 1.54 2014/11/13 16:51:53 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -428,8 +428,6 @@ ntfs_ntlookup(
 	ip->i_number = ino;
 	ip->i_mp = ntmp;
 
-	LIST_INIT(&ip->i_fnlist);
-
 	/* init lock and lock the newborn ntnode */
 	cv_init(&ip->i_lock, "ntfslk");
 	mutex_init(&ip->i_interlock, MUTEX_DEFAULT, IPL_NONE);
@@ -479,9 +477,6 @@ ntfs_ntput(struct ntnode *ip)
 		dprintf(("%s: deallocating ntnode: %llu\n", __func__,
 		    (unsigned long long)ip->i_number));
 
-		if (ip->i_fnlist.lh_first)
-			panic("ntfs_ntput: ntnode has fnodes");
-
 		ntfs_nthashrem(ip);
 
 		while (ip->i_valist.lh_first != NULL) {
@@ -726,79 +721,6 @@ ntfs_uastrcmp(struct ntfsmount *ntmp, co
 }
 
 /*
- * Search fnode in ntnode, if not found allocate and preinitialize.
- *
- * ntnode should be locked on entry.
- */
-int
-ntfs_fget(
-    struct ntfsmount *ntmp,
-    struct ntnode *ip,
-    int attrtype,
-    const char *attrname,
-    struct fnode **fpp
-)
-{
-	struct fnode *fp;
-
-	dprintf(("%s: ino: %llu, attrtype: 0x%x, attrname: %s\n", __func__,
-	    (unsigned long long)ip->i_number, attrtype, attrname));
-	*fpp = NULL;
-	for (fp = ip->i_fnlist.lh_first; fp != NULL; fp = fp->f_fnlist.le_next){
-		dprintf(("%s: fnode: attrtype: %d, attrname: %s\n", __func__,
-			fp->f_attrtype, fp->f_attrname));
-
-		if ((attrtype == fp->f_attrtype) &&
-		    strcmp(attrname, fp->f_attrname) == 0) {
-			dprintf(("%s: found existed: %p\n", __func__, fp));
-			*fpp = fp;
-		}
-	}
-
-	if (*fpp)
-		return (0);
-
-	fp = malloc(sizeof(*fp), M_NTFSFNODE, M_WAITOK|M_ZERO);
-	dprintf(("%s: allocating fnode: %p\n", __func__, fp));
-
-	fp->f_ip = ip;
-	fp->f_attrname = malloc(strlen(attrname)+1, M_TEMP, M_WAITOK);
-	strcpy(fp->f_attrname, attrname);
-	fp->f_attrtype = attrtype;
-
-	ntfs_ntref(ip);
-
-	LIST_INSERT_HEAD(&ip->i_fnlist, fp, f_fnlist);
-
-	*fpp = fp;
-
-	return (0);
-}
-
-/*
- * Deallocate fnode, remove it from ntnode's fnode list.
- *
- * ntnode should be locked.
- */
-void
-ntfs_frele(
-	struct fnode *fp)
-{
-	struct ntnode *ip = FTONT(fp);
-
-	dprintf(("%s: fnode: %p for %llu: %p\n", __func__, fp,
-	    (unsigned long long)ip->i_number, ip));
-
-	dprintf(("%s: deallocating fnode\n", __func__));
-	LIST_REMOVE(fp,f_fnlist);
-	free(fp->f_attrname, M_TEMP);
-	if (fp->f_dirblbuf)
-		free(fp->f_dirblbuf, M_NTFSDIR);
-	free(fp, M_NTFSFNODE);
-	ntfs_ntrele(ip);
-}
-
-/*
  * Lookup attribute name in format: [[:$ATTR_TYPE]:$ATTR_NAME],
  * $ATTR_TYPE is searched in attrdefs read from $AttrDefs.
  * If $ATTR_TYPE not specified, ATTR_A_DATA assumed.
@@ -855,7 +777,7 @@ ntfs_ntlookupattr(
 
 /*
  * Lookup specified node for filename, matching cnp,
- * return fnode filled.
+ * return referenced vnode with fnode filled.
  */
 int
 ntfs_ntlookupfile(
@@ -987,7 +909,7 @@ ntfs_ntlookupfile(
 			/* vget node */
 			error = ntfs_vgetex(ntmp->ntm_mountp, iep->ie_number,
 				   attrtype, attrname ? attrname : "",
-				   LK_EXCLUSIVE, &nvp);
+				   0, &nvp);
 
 			/* free the buffer returned by ntfs_ntlookupattr() */
 			if (attrname) {
@@ -998,8 +920,6 @@ ntfs_ntlookupfile(
 			if (error)
 				goto fail;
 
-			KASSERT(VTOF(nvp)->f_flag & FN_VALID);
-
 			*vpp = nvp;
 			goto fail;
 		}

Index: src/sys/fs/ntfs/ntfs_vfsops.c
diff -u src/sys/fs/ntfs/ntfs_vfsops.c:1.96 src/sys/fs/ntfs/ntfs_vfsops.c:1.97
--- src/sys/fs/ntfs/ntfs_vfsops.c:1.96	Thu Nov 13 16:51:10 2014
+++ src/sys/fs/ntfs/ntfs_vfsops.c	Thu Nov 13 16:51:53 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntfs_vfsops.c,v 1.96 2014/11/13 16:51:10 hannken Exp $	*/
+/*	$NetBSD: ntfs_vfsops.c,v 1.97 2014/11/13 16:51:53 hannken Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999 Semen Ustimenko
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ntfs_vfsops.c,v 1.96 2014/11/13 16:51:10 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ntfs_vfsops.c,v 1.97 2014/11/13 16:51:53 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -63,7 +63,6 @@ MODULE(MODULE_CLASS_VFS, ntfs, NULL);
 
 MALLOC_JUSTDEFINE(M_NTFSMNT, "NTFS mount", "NTFS mount structure");
 MALLOC_JUSTDEFINE(M_NTFSNTNODE,"NTFS ntnode",  "NTFS ntnode information");
-MALLOC_JUSTDEFINE(M_NTFSFNODE,"NTFS fnode",  "NTFS fnode information");
 MALLOC_JUSTDEFINE(M_NTFSDIR,"NTFS dir",  "NTFS dir buffer");
 
 static int	ntfs_mount(struct mount *, const char *, void *, size_t *);
@@ -74,6 +73,8 @@ static int	ntfs_sync(struct mount *, int
 static int	ntfs_unmount(struct mount *, int);
 static int	ntfs_vget(struct mount *mp, ino_t ino,
 			       struct vnode **vpp);
+static int	ntfs_loadvnode(struct mount *, struct vnode *,
+		                    const void *, size_t, const void **);
 static int	ntfs_mountfs(struct vnode *, struct mount *,
 				  struct ntfs_args *, struct lwp *);
 static int	ntfs_vptofh(struct vnode *, struct fid *, size_t *);
@@ -130,7 +131,6 @@ ntfs_init(void)
 
 	malloc_type_attach(M_NTFSMNT);
 	malloc_type_attach(M_NTFSNTNODE);
-	malloc_type_attach(M_NTFSFNODE);
 	malloc_type_attach(M_NTFSDIR);
 	malloc_type_attach(M_NTFSNTVATTR);
 	malloc_type_attach(M_NTFSRDATA);
@@ -152,7 +152,6 @@ ntfs_done(void)
 	ntfs_nthashdone();
 	malloc_type_detach(M_NTFSMNT);
 	malloc_type_detach(M_NTFSNTNODE);
-	malloc_type_detach(M_NTFSFNODE);
 	malloc_type_detach(M_NTFSDIR);
 	malloc_type_detach(M_NTFSNTVATTR);
 	malloc_type_detach(M_NTFSRDATA);
@@ -703,162 +702,118 @@ ntfs_vptofh(
 	return (0);
 }
 
-int
-ntfs_vgetex(
-	struct mount *mp,
-	ino_t ino,
-	u_int32_t attrtype,
-	const char *attrname,
-	u_long lkflags,
-	struct vnode **vpp)
+static int
+ntfs_loadvnode(struct mount *mp, struct vnode *vp,
+    const void *key, size_t key_len, const void **new_key)
 {
 	int error;
+	struct ntvattr *vap;
+	struct ntkey small_key, *ntkey;
 	struct ntfsmount *ntmp;
 	struct ntnode *ip;
-	struct fnode *fp;
-	struct vnode *vp;
+	struct fnode *fp = NULL;
 	enum vtype f_type = VBAD;
 
-	dprintf(("ntfs_vgetex: ino: %llu, attr: 0x%x:%s, lkf: 0x%lx\n", (unsigned long long)ino, attrtype,
-	    attrname, (u_long)lkflags));
+	if (key_len <= sizeof(small_key))
+		ntkey = &small_key;
+	else
+		ntkey = kmem_alloc(key_len, KM_SLEEP);
+	memcpy(ntkey, key, key_len);
+
+	dprintf(("ntfs_loadvnode: ino: %llu, attr: 0x%x:%s",
+	    (unsigned long long)ntkey->k_ino,
+	    ntkey->k_attrtype, ntkey->k_attrname));
 
 	ntmp = VFSTONTFS(mp);
-	*vpp = NULL;
 
-loop:
 	/* Get ntnode */
-	error = ntfs_ntlookup(ntmp, ino, &ip);
+	error = ntfs_ntlookup(ntmp, ntkey->k_ino, &ip);
 	if (error) {
-		printf("ntfs_vget: ntfs_ntget failed\n");
-		return (error);
+		printf("ntfs_loadvnode: ntfs_ntget failed\n");
+		goto out;
 	}
-
 	/* It may be not initialized fully, so force load it */
 	if (!(ip->i_flag & IN_LOADED)) {
-		error = ntfs_loadntnode(ntmp, ip);
-		if(error) {
-			printf("ntfs_vget: CAN'T LOAD ATTRIBUTES FOR INO:"
-			    " %llu\n", (unsigned long long)ip->i_number);
-			ntfs_ntput(ip);
-			return (error);
-		}
-	}
-
-	error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp);
-	if (error) {
-		printf("ntfs_vget: ntfs_fget failed\n");
-		ntfs_ntput(ip);
-		return (error);
+	       error = ntfs_loadntnode(ntmp, ip);
+	       if(error) {
+		       printf("ntfs_loadvnode: CAN'T LOAD ATTRIBUTES FOR INO:"
+			   " %llu\n", (unsigned long long)ip->i_number);
+		       ntfs_ntput(ip);
+		       goto out;
+	       }
 	}
 
-	if (!(fp->f_flag & FN_VALID)) {
-		struct ntvattr *vap;
+	/* Setup fnode */
+	fp = kmem_zalloc(sizeof(*fp), KM_SLEEP);
+	dprintf(("%s: allocating fnode: %p\n", __func__, fp));
 
-		error = ntfs_ntvattrget(ntmp, ip, NTFS_A_NAME, NULL, 0, &vap);
-		if (error) {
-			ntfs_ntput(ip);
-			return error;
-		}
-		fp->f_fflag = vap->va_a_name->n_flag;
-		fp->f_pnumber = vap->va_a_name->n_pnumber;
-		fp->f_times = vap->va_a_name->n_times;
-		ntfs_ntvattrrele(vap);
-
-		if ((ip->i_frflag & NTFS_FRFLAG_DIR) &&
-		    (fp->f_attrtype == NTFS_A_DATA &&
-		     strcmp(fp->f_attrname, "") == 0)) {
-			f_type = VDIR;
-		} else {
-			f_type = VREG;
-
-			error = ntfs_ntvattrget(ntmp, ip,
-				fp->f_attrtype, fp->f_attrname, 0, &vap);
-			if (error == 0) {
-				fp->f_size = vap->va_datalen;
-				fp->f_allocated = vap->va_allocated;
-				ntfs_ntvattrrele(vap);
-			} else if (fp->f_attrtype == NTFS_A_DATA &&
-			    strcmp(fp->f_attrname, "") == 0 &&
-			    error == ENOENT) {
-				fp->f_size = 0;
-				fp->f_allocated = 0;
-				error = 0;
-			} else {
-				ntfs_ntput(ip);
-				return (error);
-			}
-		}
-
-		fp->f_flag |= FN_VALID;
-	}
-
-	/*
-	 * We may be calling vget() now. To avoid potential deadlock, we need
-	 * to release ntnode lock, since due to locking order vnode
-	 * lock has to be acquired first.
-	 * ntfs_fget() bumped ntnode usecount, so ntnode won't be recycled
-	 * prematurely.
-	 * Take v_interlock before releasing ntnode lock to avoid races.
-	 */
-	vp = FTOV(fp);
-	if (vp) {
-		mutex_enter(vp->v_interlock);
-		ntfs_ntput(ip);
-		if (vget(vp, lkflags) != 0)
-			goto loop;
-		*vpp = vp;
-		return 0;
-	}
-	ntfs_ntput(ip);
-
-	error = getnewvnode(VT_NTFS, ntmp->ntm_mountp, ntfs_vnodeop_p,
-	    NULL, &vp);
-	if(error) {
-		ntfs_frele(fp);
-		return (error);
-	}
-	ntfs_ntget(ip);
-	error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp);
+	error = ntfs_ntvattrget(ntmp, ip, NTFS_A_NAME, NULL, 0, &vap);
 	if (error) {
-		printf("ntfs_vget: ntfs_fget failed\n");
 		ntfs_ntput(ip);
-		return (error);
-	}
-	if (FTOV(fp)) {
-		/*
-		 * Another thread beat us, put back freshly allocated
-		 * vnode and retry.
-		 */
-		ntfs_ntput(ip);
-		ungetnewvnode(vp);
-		goto loop;
+		goto out;
 	}
-	dprintf(("ntfs_vget: vnode: %p for ntnode: %llu\n", vp,
-	    (unsigned long long)ino));
-
+	fp->f_fflag = vap->va_a_name->n_flag;
+	fp->f_pnumber = vap->va_a_name->n_pnumber;
+	fp->f_times = vap->va_a_name->n_times;
+	ntfs_ntvattrrele(vap);
+
+	if ((ip->i_frflag & NTFS_FRFLAG_DIR) &&
+	    (ntkey->k_attrtype == NTFS_A_DATA &&
+	    strcmp(ntkey->k_attrname, "") == 0)) {
+                        f_type = VDIR;
+	} else {
+		f_type = VREG;
+		error = ntfs_ntvattrget(ntmp, ip,
+		    ntkey->k_attrtype, ntkey->k_attrname, 0, &vap);
+		if (error == 0) {
+			fp->f_size = vap->va_datalen;
+			fp->f_allocated = vap->va_allocated;
+			ntfs_ntvattrrele(vap);
+		} else if (ntkey->k_attrtype == NTFS_A_DATA &&
+		    strcmp(ntkey->k_attrname, "") == 0 &&
+		    error == ENOENT) {
+			fp->f_size = 0;
+			fp->f_allocated = 0;
+			error = 0;
+		} else
+			goto out;
+	}
+
+	if (key_len <= sizeof(fp->f_smallkey))
+		fp->f_key = &fp->f_smallkey;
+	else
+		fp->f_key = kmem_alloc(key_len, KM_SLEEP);
+	fp->f_ip = ip;
+	fp->f_ino = ip->i_number;
+	strcpy(fp->f_attrname, ntkey->k_attrname);
+	fp->f_attrtype = ntkey->k_attrtype;
 	fp->f_vp = vp;
 	vp->v_data = fp;
-	if (f_type != VBAD)
-		vp->v_type = f_type;
+
+	vp->v_tag = VT_NTFS;
+	vp->v_type = f_type;
+	vp->v_op = ntfs_vnodeop_p;
+	ntfs_ntref(ip);
+	vref(ip->i_devvp);
 	genfs_node_init(vp, &ntfs_genfsops);
 
-	if (ino == NTFS_ROOTINO)
+	if (ip->i_number == NTFS_ROOTINO)
 		vp->v_vflag |= VV_ROOT;
 
+	uvm_vnp_setsize(vp, fp->f_size);
 	ntfs_ntput(ip);
 
-	if (lkflags & (LK_EXCLUSIVE | LK_SHARED)) {
-		error = vn_lock(vp, lkflags);
-		if (error) {
-			vput(vp);
-			return (error);
-		}
-	}
+	*new_key = fp->f_key;
 
-	uvm_vnp_setsize(vp, fp->f_size); /* XXX: mess, cf. ntfs_lookupfile() */
-	vref(ip->i_devvp);
-	*vpp = vp;
-	return (0);
+	fp = NULL;
+
+out:
+	if (ntkey != &small_key)
+		kmem_free(ntkey, key_len);
+	if (fp)
+		kmem_free(fp, sizeof(*fp));
+
+	return error;
 }
 
 static int
@@ -870,6 +825,45 @@ ntfs_vget(
 	return ntfs_vgetex(mp, ino, NTFS_A_DATA, "", LK_EXCLUSIVE, vpp);
 }
 
+int
+ntfs_vgetex(
+	struct mount *mp,
+	ino_t ino,
+	u_int32_t attrtype,
+	const char *attrname,
+	u_long lkflags,
+	struct vnode **vpp)
+{
+	const int attrlen = strlen(attrname);
+	int error;
+	struct ntkey small_key, *ntkey;
+
+	if (NTKEY_SIZE(attrlen) <= sizeof(small_key))
+		ntkey = &small_key;
+	else
+		ntkey = malloc(NTKEY_SIZE(attrlen), M_TEMP, M_WAITOK);
+	ntkey->k_ino = ino;
+	ntkey->k_attrtype = attrtype;
+	strcpy(ntkey->k_attrname, attrname);
+
+	error = vcache_get(mp, ntkey, NTKEY_SIZE(attrlen), vpp);
+	if (error)
+		goto out;
+
+	if ((lkflags & (LK_SHARED | LK_EXCLUSIVE)) != 0) {
+		error = vn_lock(*vpp, lkflags);
+		if (error) {
+			vrele(*vpp);
+			*vpp = NULL;
+		}
+	}
+
+out:
+	if (ntkey != &small_key)
+		free(ntkey, M_TEMP);
+	return error;
+}
+
 extern const struct vnodeopv_desc ntfs_vnodeop_opv_desc;
 
 const struct vnodeopv_desc * const ntfs_vnodeopv_descs[] = {
@@ -888,6 +882,7 @@ struct vfsops ntfs_vfsops = {
 	.vfs_statvfs = ntfs_statvfs,
 	.vfs_sync = ntfs_sync,
 	.vfs_vget = ntfs_vget,
+	.vfs_loadvnode = ntfs_loadvnode,
 	.vfs_fhtovp = ntfs_fhtovp,
 	.vfs_vptofh = ntfs_vptofh,
 	.vfs_init = ntfs_init,

Index: src/sys/fs/ntfs/ntfs_vnops.c
diff -u src/sys/fs/ntfs/ntfs_vnops.c:1.58 src/sys/fs/ntfs/ntfs_vnops.c:1.59
--- src/sys/fs/ntfs/ntfs_vnops.c:1.58	Thu Nov 13 16:49:56 2014
+++ src/sys/fs/ntfs/ntfs_vnops.c	Thu Nov 13 16:51:53 2014
@@ -1,4 +1,4 @@
-/*	$NetBSD: ntfs_vnops.c,v 1.58 2014/11/13 16:49:56 hannken Exp $	*/
+/*	$NetBSD: ntfs_vnops.c,v 1.59 2014/11/13 16:51:53 hannken Exp $	*/
 
 /*
  * Copyright (c) 1992, 1993
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ntfs_vnops.c,v 1.58 2014/11/13 16:49:56 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ntfs_vnops.c,v 1.59 2014/11/13 16:51:53 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -56,6 +56,7 @@ __KERNEL_RCSID(0, "$NetBSD: ntfs_vnops.c
 #include <fs/ntfs/ntfs.h>
 #include <fs/ntfs/ntfs_inode.h>
 #include <fs/ntfs/ntfs_subr.h>
+#include <fs/ntfs/ntfs_vfsops.h>
 #include <miscfs/specfs/specdev.h>
 #include <miscfs/genfs/genfs.h>
 
@@ -235,6 +236,7 @@ ntfs_reclaim(void *v)
 	struct vnode *vp = ap->a_vp;
 	struct fnode *fp = VTOF(vp);
 	struct ntnode *ip = FTONT(fp);
+	const int attrlen = strlen(fp->f_attrname);
 	int error;
 
 	dprintf(("ntfs_reclaim: vnode: %p, ntnode: %llu\n", vp,
@@ -246,16 +248,25 @@ ntfs_reclaim(void *v)
 	if ((error = ntfs_ntget(ip)) != 0)
 		return (error);
 
+	vcache_remove(vp->v_mount, fp->f_key, NTKEY_SIZE(attrlen));
+
 	if (ip->i_devvp) {
 		vrele(ip->i_devvp);
 		ip->i_devvp = NULL;
 	}
-
 	genfs_node_destroy(vp);
-	ntfs_frele(fp);
-	ntfs_ntput(ip);
 	vp->v_data = NULL;
 
+	/* Destroy fnode. */
+	if (fp->f_key != &fp->f_smallkey)
+		kmem_free(fp->f_key, NTKEY_SIZE(attrlen));
+	if (fp->f_dirblbuf)
+		free(fp->f_dirblbuf, M_NTFSDIR);
+	kmem_free(fp, sizeof(*fp));
+	ntfs_ntrele(ip);
+
+	ntfs_ntput(ip);
+
 	return (0);
 }
 
@@ -700,19 +711,17 @@ ntfs_lookup(void *v)
 		dprintf(("ntfs_lookup: faking .. directory in %llu\n",
 		    (unsigned long long)dip->i_number));
 
-		VOP_UNLOCK(dvp);
 		error = ntfs_ntvattrget(ntmp, dip, NTFS_A_NAME, NULL, 0, &vap);
 		if (error) {
-			vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 			return (error);
 		}
 
 		dprintf(("ntfs_lookup: parentdir: %d\n",
 			 vap->va_a_name->n_pnumber));
-		error = VFS_VGET(ntmp->ntm_mountp,
-				 vap->va_a_name->n_pnumber,ap->a_vpp);
+		error = ntfs_vgetex(ntmp->ntm_mountp,
+				 vap->va_a_name->n_pnumber,
+				 NTFS_A_DATA, "", 0, ap->a_vpp);
 		ntfs_ntvattrrele(vap);
-		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
 		if (error) {
 			return (error);
 		}
@@ -730,9 +739,6 @@ ntfs_lookup(void *v)
 	cache_enter(dvp, *ap->a_vpp, cnp->cn_nameptr, cnp->cn_namelen,
 		    cnp->cn_flags);
 
-	if (*ap->a_vpp != dvp)
-		VOP_UNLOCK(*ap->a_vpp);
-
 	return error;
 }
 

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