Module Name:    src
Committed By:   thorpej
Date:           Sat Oct 23 16:58:17 UTC 2021

Modified Files:
        src/sys/fs/msdosfs: denode.h direntry.h fat.h msdosfs_conv.c
            msdosfs_denode.c msdosfs_fat.c msdosfs_lookup.c msdosfs_rename.c
            msdosfs_vfsops.c msdosfs_vnops.c
        src/usr.sbin/makefs/msdos: msdosfs_denode.c msdosfs_vfsops.c
            msdosfs_vnops.c

Log Message:
Sanitize the symbol namespace.  NFC.


To generate a diff of this commit:
cvs rdiff -u -r1.28 -r1.29 src/sys/fs/msdosfs/denode.h
cvs rdiff -u -r1.11 -r1.12 src/sys/fs/msdosfs/direntry.h
cvs rdiff -u -r1.9 -r1.10 src/sys/fs/msdosfs/fat.h
cvs rdiff -u -r1.17 -r1.18 src/sys/fs/msdosfs/msdosfs_conv.c
cvs rdiff -u -r1.59 -r1.60 src/sys/fs/msdosfs/msdosfs_denode.c
cvs rdiff -u -r1.35 -r1.36 src/sys/fs/msdosfs/msdosfs_fat.c
cvs rdiff -u -r1.39 -r1.40 src/sys/fs/msdosfs/msdosfs_lookup.c
cvs rdiff -u -r1.2 -r1.3 src/sys/fs/msdosfs/msdosfs_rename.c
cvs rdiff -u -r1.136 -r1.137 src/sys/fs/msdosfs/msdosfs_vfsops.c
cvs rdiff -u -r1.109 -r1.110 src/sys/fs/msdosfs/msdosfs_vnops.c
cvs rdiff -u -r1.7 -r1.8 src/usr.sbin/makefs/msdos/msdosfs_denode.c
cvs rdiff -u -r1.11 -r1.12 src/usr.sbin/makefs/msdos/msdosfs_vfsops.c
cvs rdiff -u -r1.20 -r1.21 src/usr.sbin/makefs/msdos/msdosfs_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/msdosfs/denode.h
diff -u src/sys/fs/msdosfs/denode.h:1.28 src/sys/fs/msdosfs/denode.h:1.29
--- src/sys/fs/msdosfs/denode.h:1.28	Sat Oct 23 07:45:03 2021
+++ src/sys/fs/msdosfs/denode.h	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: denode.h,v 1.28 2021/10/23 07:45:03 hannken Exp $	*/
+/*	$NetBSD: denode.h,v 1.29 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -305,34 +305,36 @@ int	msdosfs_pathconf	(void *);
 struct componentname;
 struct direntry;
 struct kauth_cred;
-int msdosfs_update(struct vnode *, const struct timespec *,
+int	msdosfs_update(struct vnode *, const struct timespec *,
 	    const struct timespec *, int);
-int createde(struct denode *, struct denode *,
+int	msdosfs_createde(struct denode *, struct denode *,
 		const struct msdosfs_lookup_results *,
 		struct denode **, struct componentname *);
-int deextend(struct denode *, u_long, struct kauth_cred *);
+int	msdosfs_deextend(struct denode *, u_long, struct kauth_cred *);
 #ifdef MAKEFS
-int deget(struct msdosfsmount *, u_long, u_long, struct denode **);
+int	msdosfs_deget(struct msdosfsmount *, u_long, u_long, struct denode **);
 #else
-int deget(struct msdosfsmount *, u_long, u_long, struct vnode **);
+int	msdosfs_deget(struct msdosfsmount *, u_long, u_long, struct vnode **);
 #endif
-int detrunc(struct denode *, u_long, int, struct kauth_cred *);
-int deupdat(struct denode *, int);
-int dosdirempty(struct denode *);
-int readde(struct denode *, struct buf **, struct direntry **);
-int readep(struct msdosfsmount *, u_long, u_long,
+int	msdosfs_detrunc(struct denode *, u_long, int, struct kauth_cred *);
+int	msdosfs_deupdat(struct denode *, int);
+int	msdosfs_dosdirempty(struct denode *);
+int	msdosfs_readde(struct denode *, struct buf **, struct direntry **);
+int	msdosfs_readep(struct msdosfsmount *, u_long, u_long,
 		struct buf **, struct direntry **);
-int removede(struct denode *, struct denode *,
+int	msdosfs_removede(struct denode *, struct denode *,
 		const struct msdosfs_lookup_results *);
-int uniqdosname(struct denode *, struct componentname *, u_char *);
-int findwin95(struct denode *);
-int msdosfs_gop_alloc(struct vnode *, off_t, off_t, int, struct kauth_cred *);
-void msdosfs_gop_markupdate(struct vnode *, int);
-void msdosfs_detimes(struct denode *, const struct timespec *,
-    const struct timespec *, const struct timespec *, int);
-int msdosfs_fh_enter(struct msdosfsmount *, uint32_t, uint32_t, uint32_t *);
-int msdosfs_fh_remove(struct msdosfsmount *, uint32_t, uint32_t);
-int msdosfs_fh_lookup(struct msdosfsmount *, uint32_t, uint32_t, uint32_t *);
-void msdosfs_fh_destroy(struct msdosfsmount *);
+int	msdosfs_uniqdosname(struct denode *, struct componentname *, u_char *);
+int	msdosfs_findwin95(struct denode *);
+int	msdosfs_gop_alloc(struct vnode *, off_t, off_t, int,
+	    struct kauth_cred *);
+void	msdosfs_gop_markupdate(struct vnode *, int);
+void	msdosfs_detimes(struct denode *, const struct timespec *,
+	    const struct timespec *, const struct timespec *, int);
+int	msdosfs_fh_enter(struct msdosfsmount *, uint32_t, uint32_t, uint32_t *);
+int	msdosfs_fh_remove(struct msdosfsmount *, uint32_t, uint32_t);
+int	msdosfs_fh_lookup(struct msdosfsmount *, uint32_t, uint32_t,
+	    uint32_t *);
+void	msdosfs_fh_destroy(struct msdosfsmount *);
 #endif	/* _KERNEL || MAKEFS */
 #endif /* _MSDOSFS_DENODE_H_ */

Index: src/sys/fs/msdosfs/direntry.h
diff -u src/sys/fs/msdosfs/direntry.h:1.11 src/sys/fs/msdosfs/direntry.h:1.12
--- src/sys/fs/msdosfs/direntry.h:1.11	Mon Feb  1 02:59:33 2016
+++ src/sys/fs/msdosfs/direntry.h	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: direntry.h,v 1.11 2016/02/01 02:59:33 christos Exp $	*/
+/*	$NetBSD: direntry.h,v 1.12 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -128,20 +128,20 @@ struct winentry {
 
 #if defined(_KERNEL) || defined(MAKEFS)
 struct dirent;
-void	unix2dostime(const struct timespec *tsp, int gmtoff, uint16_t *ddp,
-	    uint16_t *dtp, uint8_t *dhp);
-void	dos2unixtime(unsigned int dd, unsigned int dt, unsigned int dh,
+void	msdosfs_unix2dostime(const struct timespec *tsp, int gmtoff,
+	    uint16_t *ddp, uint16_t *dtp, uint8_t *dhp);
+void	msdosfs_dos2unixtime(unsigned int dd, unsigned int dt, unsigned int dh,
 	    int gmtoff, struct timespec *tsp);
-int	dos2unixfn(unsigned char dn[11], unsigned char *un, int lower);
-int	unix2dosfn(const unsigned char *un, unsigned char dn[12], int unlen,
-	    unsigned int gen);
-int	unix2winfn(const unsigned char *un, int unlen, struct winentry *wep,
-	    int cnt, int chksum, int utf8);
-int	winChkName(const unsigned char *un, int unlen, struct winentry *wep,
-	    int chksum, int utf8);
-int	win2unixfn(struct winentry *wep, struct dirent *dp, int chksum,	
+int	msdosfs_dos2unixfn(unsigned char dn[11], unsigned char *un, int lower);
+int	msdosfs_unix2dosfn(const unsigned char *un, unsigned char dn[12],
+	    int unlen, unsigned int gen);
+int	msdosfs_unix2winfn(const unsigned char *un, int unlen,
+	    struct winentry *wep, int cnt, int chksum, int utf8);
+int	msdosfs_winChkName(const unsigned char *un, int unlen,
+	    struct winentry *wep, int chksum, int utf8);
+int	msdosfs_win2unixfn(struct winentry *wep, struct dirent *dp, int chksum,	
 	    uint16_t *namlen, int utf8);
-uint8_t winChksum(uint8_t *name);
-int	winSlotCnt(const unsigned char *un, int unlen, int utf8);
+uint8_t msdosfs_winChksum(uint8_t *name);
+int	msdosfs_winSlotCnt(const unsigned char *un, int unlen, int utf8);
 #endif /* _KERNEL || MAKEFS */
 #endif /* _MSDOSFS_DIRENTRY_H_ */

Index: src/sys/fs/msdosfs/fat.h
diff -u src/sys/fs/msdosfs/fat.h:1.9 src/sys/fs/msdosfs/fat.h:1.10
--- src/sys/fs/msdosfs/fat.h:1.9	Sat Oct 18 08:33:28 2014
+++ src/sys/fs/msdosfs/fat.h	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: fat.h,v 1.9 2014/10/18 08:33:28 snj Exp $	*/
+/*	$NetBSD: fat.h,v 1.10 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1997 Wolfgang Solfrank.
@@ -106,14 +106,16 @@
  */
 #define	DE_CLEAR	1	/* Zero out the blocks allocated */
 
-int pcbmap(struct denode *, u_long, daddr_t *, u_long *, int *);
-int clusterfree(struct msdosfsmount *, u_long, u_long *);
-int clusteralloc(struct msdosfsmount *, u_long, u_long,u_long *,u_long *);
-int extendfile(struct denode *, u_long, struct buf **, u_long *, int);
-int fatentry(int, struct msdosfsmount *, u_long, u_long *, u_long);
-void fc_purge(struct denode *, u_int);
-void fc_lookup(struct denode *, u_long, u_long *, u_long *);
-int fillinusemap(struct msdosfsmount *);
-int freeclusterchain(struct msdosfsmount *, u_long);
+int	msdosfs_pcbmap(struct denode *, u_long, daddr_t *, u_long *, int *);
+int	msdosfs_clusterfree(struct msdosfsmount *, u_long, u_long *);
+int	msdosfs_clusteralloc(struct msdosfsmount *, u_long, u_long, u_long *,
+	    u_long *);
+int	msdosfs_extendfile(struct denode *, u_long, struct buf **, u_long *,
+	    int);
+int	msdosfs_fatentry(int, struct msdosfsmount *, u_long, u_long *, u_long);
+void	msdosfs_fc_purge(struct denode *, u_int);
+void	msdosfs_fc_lookup(struct denode *, u_long, u_long *, u_long *);
+int	msdosfs_fillinusemap(struct msdosfsmount *);
+int	msdosfs_freeclusterchain(struct msdosfsmount *, u_long);
 #endif /* _KERNEL || MAKEFS */
 #endif /* _MSDOSFS_FAT_H_ */

Index: src/sys/fs/msdosfs/msdosfs_conv.c
diff -u src/sys/fs/msdosfs/msdosfs_conv.c:1.17 src/sys/fs/msdosfs/msdosfs_conv.c:1.18
--- src/sys/fs/msdosfs/msdosfs_conv.c:1.17	Thu Jun 30 09:34:01 2016
+++ src/sys/fs/msdosfs/msdosfs_conv.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_conv.c,v 1.17 2016/06/30 09:34:01 nonaka Exp $	*/
+/*	$NetBSD: msdosfs_conv.c,v 1.18 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1995, 1997 Wolfgang Solfrank.
@@ -58,7 +58,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_conv.c,v 1.17 2016/06/30 09:34:01 nonaka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_conv.c,v 1.18 2021/10/23 16:58:17 thorpej Exp $");
 
 /*
  * System include files.
@@ -117,7 +117,8 @@ static int char8match(u_int16_t *, u_int
  * file timestamps. The passed in unix time is assumed to be in GMT.
  */
 void
-unix2dostime(const struct timespec *tsp, int gmtoff, u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp)
+msdosfs_unix2dostime(const struct timespec *tsp, int gmtoff,
+    u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp)
 {
 	u_long t;
 	struct clock_ymdhms ymd;
@@ -170,7 +171,8 @@ invalid_dos_date:
  * not be too efficient.
  */
 void
-dos2unixtime(u_int dd, u_int dt, u_int dh, int gmtoff, struct timespec *tsp)
+msdosfs_dos2unixtime(u_int dd, u_int dt, u_int dh, int gmtoff,
+    struct timespec *tsp)
 {
 	time_t seconds;
 	struct clock_ymdhms ymd;
@@ -320,7 +322,7 @@ u2l[256] = {
  * null.
  */
 int
-dos2unixfn(u_char dn[11], u_char *un, int lower)
+msdosfs_dos2unixfn(u_char dn[11], u_char *un, int lower)
 {
 	int i, j;
 	int thislong = 1;
@@ -383,7 +385,7 @@ dos2unixfn(u_char dn[11], u_char *un, in
  *	3 if conversion was successful and generation number was inserted
  */
 int
-unix2dosfn(const u_char *un, u_char dn[12], int unlen, u_int gen)
+msdosfs_unix2dosfn(const u_char *un, u_char dn[12], int unlen, u_int gen)
 {
 	int i, j, l;
 	int conv = 1;
@@ -536,7 +538,8 @@ unix2dosfn(const u_char *un, u_char dn[1
  *	 i.e. doesn't consist solely of blanks and dots
  */
 int
-unix2winfn(const u_char *un, int unlen, struct winentry *wep, int cnt, int chksum, int utf8)
+msdosfs_unix2winfn(const u_char *un, int unlen, struct winentry *wep, int cnt,
+    int chksum, int utf8)
 {
 	u_int16_t wn[WIN_MAXLEN], *p;
 	int i, len;
@@ -592,7 +595,8 @@ unix2winfn(const u_char *un, int unlen, 
  * Returns the checksum or -1 if no match
  */
 int
-winChkName(const u_char *un, int unlen, struct winentry *wep, int chksum, int utf8)
+msdosfs_winChkName(const u_char *un, int unlen, struct winentry *wep,
+    int chksum, int utf8)
 {
 	u_int16_t wn[WIN_MAXLEN], *p;
 	u_int16_t buf[WIN_CHARS];
@@ -648,7 +652,7 @@ winChkName(const u_char *un, int unlen, 
  * Returns the checksum or -1 if impossible
  */
 int
-win2unixfn(struct winentry *wep, struct dirent *dp, int chksum,
+msdosfs_win2unixfn(struct winentry *wep, struct dirent *dp, int chksum,
     uint16_t *namlen, int utf8)
 {
 	u_int16_t wn[WIN_CHARS], *p;
@@ -722,7 +726,7 @@ win2unixfn(struct winentry *wep, struct 
  * Compute the checksum of a DOS filename for Win95 use
  */
 u_int8_t
-winChksum(u_int8_t *name)
+msdosfs_winChksum(u_int8_t *name)
 {
 	int i;
 	u_int8_t s;
@@ -736,7 +740,7 @@ winChksum(u_int8_t *name)
  * Determine the number of slots necessary for Win95 names
  */
 int
-winSlotCnt(const u_char *un, int unlen, int utf8)
+msdosfs_winSlotCnt(const u_char *un, int unlen, int utf8)
 {
 	const u_char *cp;
 	int len;

Index: src/sys/fs/msdosfs/msdosfs_denode.c
diff -u src/sys/fs/msdosfs/msdosfs_denode.c:1.59 src/sys/fs/msdosfs/msdosfs_denode.c:1.60
--- src/sys/fs/msdosfs/msdosfs_denode.c:1.59	Thu Apr 23 21:47:07 2020
+++ src/sys/fs/msdosfs/msdosfs_denode.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_denode.c,v 1.59 2020/04/23 21:47:07 ad Exp $	*/
+/*	$NetBSD: msdosfs_denode.c,v 1.60 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_denode.c,v 1.59 2020/04/23 21:47:07 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_denode.c,v 1.60 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -179,7 +179,7 @@ msdosfs_done(void)
  * vpp	     - returns the address of the gotten vnode.
  */
 int
-deget(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
+msdosfs_deget(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
     struct vnode **vpp)
 	/* pmp:	 so we know the maj/min number */
 	/* dirclust:		 cluster this dir entry came from */
@@ -243,7 +243,7 @@ msdosfs_loadvnode(struct mount *mp, stru
 	ldep->de_pmp = pmp;
 	ldep->de_devvp = pmp->pm_devvp;
 	ldep->de_refcnt = 1;
-	fc_purge(ldep, 0);	/* init the FAT cache for this denode */
+	msdosfs_fc_purge(ldep, 0);	/* init the FAT cache for this denode */
 
 	/*
 	 * Copy the directory entry into the denode area of the vnode.
@@ -280,8 +280,8 @@ msdosfs_loadvnode(struct mount *mp, stru
 		ldep->de_MDate = ldep->de_CDate;
 		/* leave the other fields as garbage */
 	} else {
-		error = readep(pmp, ldep->de_dirclust, ldep->de_diroffset,
-		    &bp, &direntptr);
+		error = msdosfs_readep(pmp, ldep->de_dirclust,
+		    ldep->de_diroffset, &bp, &direntptr);
 		if (error) {
 			pool_put(&msdosfs_denode_pool, ldep);
 			return error;
@@ -305,7 +305,7 @@ msdosfs_loadvnode(struct mount *mp, stru
 
 		vp->v_type = VDIR;
 		if (ldep->de_StartCluster != MSDOSFSROOT) {
-			error = pcbmap(ldep, CLUST_END, 0, &size, 0);
+			error = msdosfs_pcbmap(ldep, CLUST_END, 0, &size, 0);
 			if (error == E2BIG) {
 				ldep->de_FileSize = de_cn2off(pmp, size);
 				error = 0;
@@ -330,7 +330,7 @@ msdosfs_loadvnode(struct mount *mp, stru
 }
 
 int
-deupdat(struct denode *dep, int waitfor)
+msdosfs_deupdat(struct denode *dep, int waitfor)
 {
 
 	return (msdosfs_update(DETOV(dep), NULL, NULL,
@@ -341,7 +341,7 @@ deupdat(struct denode *dep, int waitfor)
  * Truncate the file described by dep to the length specified by length.
  */
 int
-detrunc(struct denode *dep, u_long length, int flags, kauth_cred_t cred)
+msdosfs_detrunc(struct denode *dep, u_long length, int flags, kauth_cred_t cred)
 {
 	int error;
 	int allerror;
@@ -374,7 +374,7 @@ detrunc(struct denode *dep, u_long lengt
 	uvm_vnp_setsize(DETOV(dep), length);
 
 	if (dep->de_FileSize < length)
-		return (deextend(dep, length, cred));
+		return (msdosfs_deextend(dep, length, cred));
 	lastblock = de_clcount(pmp, length) - 1;
 
 	/*
@@ -391,7 +391,7 @@ detrunc(struct denode *dep, u_long lengt
 		dep->de_StartCluster = 0;
 		eofentry = ~0;
 	} else {
-		error = pcbmap(dep, lastblock, 0, &eofentry, 0);
+		error = msdosfs_pcbmap(dep, lastblock, 0, &eofentry, 0);
 		if (error) {
 #ifdef MSDOSFS_DEBUG
 			printf("detrunc(): pcbmap fails %d\n", error);
@@ -437,20 +437,20 @@ detrunc(struct denode *dep, u_long lengt
 	if (!isadir)
 		dep->de_flag |= DE_UPDATE|DE_MODIFIED;
 	vtruncbuf(DETOV(dep), lastblock + 1, 0, 0);
-	allerror = deupdat(dep, 1);
+	allerror = msdosfs_deupdat(dep, 1);
 #ifdef MSDOSFS_DEBUG
 	printf("detrunc(): allerror %d, eofentry %lu\n",
 	       allerror, eofentry);
 #endif
 
-	fc_purge(dep, lastblock + 1);
+	msdosfs_fc_purge(dep, lastblock + 1);
 
 	/*
 	 * If we need to break the cluster chain for the file then do it
 	 * now.
 	 */
 	if (eofentry != ~0) {
-		error = fatentry(FAT_GET_AND_SET, pmp, eofentry,
+		error = msdosfs_fatentry(FAT_GET_AND_SET, pmp, eofentry,
 				 &chaintofree, CLUST_EOFE);
 		if (error) {
 #ifdef MSDOSFS_DEBUG
@@ -467,7 +467,7 @@ detrunc(struct denode *dep, u_long lengt
 	 * truncation.
 	 */
 	if (chaintofree != 0 && !MSDOSFSEOF(chaintofree, pmp->pm_fatmask))
-		freeclusterchain(pmp, chaintofree);
+		msdosfs_freeclusterchain(pmp, chaintofree);
 
 	return (allerror);
 }
@@ -476,7 +476,7 @@ detrunc(struct denode *dep, u_long lengt
  * Extend the file described by dep to length specified by length.
  */
 int
-deextend(struct denode *dep, u_long length, kauth_cred_t cred)
+msdosfs_deextend(struct denode *dep, u_long length, kauth_cred_t cred)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	u_long count, osize;
@@ -504,10 +504,10 @@ deextend(struct denode *dep, u_long leng
 	if (count > 0) {
 		if (count > pmp->pm_freeclustercount)
 			return (ENOSPC);
-		error = extendfile(dep, count, NULL, NULL, DE_CLEAR);
+		error = msdosfs_extendfile(dep, count, NULL, NULL, DE_CLEAR);
 		if (error) {
 			/* truncate the added clusters away again */
-			(void) detrunc(dep, dep->de_FileSize, 0, cred);
+			(void) msdosfs_detrunc(dep, dep->de_FileSize, 0, cred);
 			return (error);
 		}
 	}
@@ -525,7 +525,7 @@ deextend(struct denode *dep, u_long leng
 	    (size_t)(round_page(dep->de_FileSize) - osize),
 	    UBC_VNODE_FLAGS(DETOV(dep)));
 	uvm_vnp_setsize(DETOV(dep), (voff_t)dep->de_FileSize);
-	return (deupdat(dep, 1));
+	return (msdosfs_deupdat(dep, 1));
 }
 
 int
@@ -598,13 +598,13 @@ msdosfs_inactive(void *v)
 #endif
 	if (dep->de_refcnt <= 0 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
 		if (dep->de_FileSize != 0) {
-			error = detrunc(dep, (u_long)0, 0, NOCRED);
+			error = msdosfs_detrunc(dep, (u_long)0, 0, NOCRED);
 		}
 		dep->de_Name[0] = SLOT_DELETED;
 		msdosfs_fh_remove(dep->de_pmp,
 		    dep->de_dirclust, dep->de_diroffset);
 	}
-	deupdat(dep, 0);
+	msdosfs_deupdat(dep, 0);
 out:
 	/*
 	 * If we are done with the denode, reclaim it

Index: src/sys/fs/msdosfs/msdosfs_fat.c
diff -u src/sys/fs/msdosfs/msdosfs_fat.c:1.35 src/sys/fs/msdosfs/msdosfs_fat.c:1.36
--- src/sys/fs/msdosfs/msdosfs_fat.c:1.35	Mon Sep  7 01:35:25 2020
+++ src/sys/fs/msdosfs/msdosfs_fat.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_fat.c,v 1.35 2020/09/07 01:35:25 mrg Exp $	*/
+/*	$NetBSD: msdosfs_fat.c,v 1.36 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -52,7 +52,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_fat.c,v 1.35 2020/09/07 01:35:25 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_fat.c,v 1.36 2021/10/23 16:58:17 thorpej Exp $");
 
 /*
  * kernel include files.
@@ -179,11 +179,11 @@ fatblock(struct msdosfsmount *pmp, u_lon
  *  If cnp is null, nothing is returned.
  */
 int
-pcbmap(struct denode *dep, u_long findcn, daddr_t *bnp, u_long *cnp, int *sp)
-	/* findcn:		 file relative cluster to get		 */
-	/* bnp:		 returned filesys rel sector number	 */
-	/* cnp:		 returned cluster number		 */
-	/* sp:		 returned block size			 */
+msdosfs_pcbmap(struct denode *dep,
+    u_long findcn,	/* file relative cluster to get */
+    daddr_t *bnp,	/* returned filesys rel sector number */
+    u_long *cnp,	/* returned cluster number */
+    int *sp)		/* returned block size */
 {
 	int error;
 	u_long i;
@@ -254,7 +254,7 @@ pcbmap(struct denode *dep, u_long findcn
 	 * off the cache was from where we wanted to be.
 	 */
 	i = 0;
-	fc_lookup(dep, findcn, &i, &cn);
+	msdosfs_fc_lookup(dep, findcn, &i, &cn);
 	DPRINTF(("%s(bpcluster=%lu i=%lu cn=%lu\n", __func__, pmp->pm_bpcluster,
 	    i, cn));
 	if ((bn = findcn - i) >= LMMAX) {
@@ -348,7 +348,8 @@ hiteof:;
  * for.
  */
 void
-fc_lookup(struct denode *dep, u_long findcn, u_long *frcnp, u_long *fsrcnp)
+msdosfs_fc_lookup(struct denode *dep, u_long findcn, u_long *frcnp,
+    u_long *fsrcnp)
 {
 	int i;
 	u_long cn;
@@ -372,7 +373,7 @@ fc_lookup(struct denode *dep, u_long fin
  * relative cluster frcn and beyond.
  */
 void
-fc_purge(struct denode *dep, u_int frcn)
+msdosfs_fc_purge(struct denode *dep, u_int frcn)
 {
 	int i;
 	struct fatcache *fcp;
@@ -522,13 +523,14 @@ usemap_free(struct msdosfsmount *pmp, u_
 }
 
 int
-clusterfree(struct msdosfsmount *pmp, u_long cluster, u_long *oldcnp)
+msdosfs_clusterfree(struct msdosfsmount *pmp, u_long cluster, u_long *oldcnp)
 {
 	int error;
 	u_long oldcn;
 
 	usemap_free(pmp, cluster);
-	error = fatentry(FAT_GET_AND_SET, pmp, cluster, &oldcn, MSDOSFSFREE);
+	error = msdosfs_fatentry(FAT_GET_AND_SET, pmp, cluster, &oldcn,
+	    MSDOSFSFREE);
 	if (error) {
 		usemap_alloc(pmp, cluster);
 		return (error);
@@ -563,7 +565,8 @@ clusterfree(struct msdosfsmount *pmp, u_
  * the msdosfsmount structure. This is left to the caller.
  */
 int
-fatentry(int function, struct msdosfsmount *pmp, u_long cn, u_long *oldcontents, u_long newcontents)
+msdosfs_fatentry(int function, struct msdosfsmount *pmp, u_long cn,
+    u_long *oldcontents, u_long newcontents)
 {
 	int error;
 	u_long readcn;
@@ -804,7 +807,8 @@ chainalloc(struct msdosfsmount *pmp, u_l
  * got	      - how many clusters were actually allocated.
  */
 int
-clusteralloc(struct msdosfsmount *pmp, u_long start, u_long count, u_long *retcluster, u_long *got)
+msdosfs_clusteralloc(struct msdosfsmount *pmp, u_long start, u_long count,
+    u_long *retcluster, u_long *got)
 {
 	u_long idx;
 	u_long len, newst, foundl, cn, l;
@@ -888,7 +892,7 @@ clusteralloc(struct msdosfsmount *pmp, u
  *		  freed.
  */
 int
-freeclusterchain(struct msdosfsmount *pmp, u_long cluster)
+msdosfs_freeclusterchain(struct msdosfsmount *pmp, u_long cluster)
 {
 	int error;
 	struct buf *bp = NULL;
@@ -947,7 +951,7 @@ freeclusterchain(struct msdosfsmount *pm
  * found turn off its corresponding bit in the pm_inusemap.
  */
 int
-fillinusemap(struct msdosfsmount *pmp)
+msdosfs_fillinusemap(struct msdosfsmount *pmp)
 {
 	struct buf *bp = NULL;
 	u_long cn, readcn;
@@ -1014,7 +1018,8 @@ fillinusemap(struct msdosfsmount *pmp)
  */
 
 int
-extendfile(struct denode *dep, u_long count, struct buf **bpp, u_long *ncp, int flags)
+msdosfs_extendfile(struct denode *dep, u_long count, struct buf **bpp,
+    u_long *ncp, int flags)
 {
 	int error;
 	u_long frcn = 0, cn, got;
@@ -1038,7 +1043,7 @@ extendfile(struct denode *dep, u_long co
 	if (dep->de_fc[FC_LASTFC].fc_frcn == FCE_EMPTY &&
 	    dep->de_StartCluster != 0) {
 		fc_lfcempty++;
-		error = pcbmap(dep, CLUST_END, 0, &cn, 0);
+		error = msdosfs_pcbmap(dep, CLUST_END, 0, &cn, 0);
 		/* we expect it to return E2BIG */
 		if (error != E2BIG)
 			return (error);
@@ -1062,7 +1067,7 @@ extendfile(struct denode *dep, u_long co
 			cn = 0;
 		else
 			cn = dep->de_fc[FC_LASTFC].fc_fsrcn + 1;
-		error = clusteralloc(pmp, cn, count, &cn, &got);
+		error = msdosfs_clusteralloc(pmp, cn, count, &cn, &got);
 		if (error)
 			return (error);
 
@@ -1081,11 +1086,11 @@ extendfile(struct denode *dep, u_long co
 			dep->de_StartCluster = cn;
 			frcn = 0;
 		} else {
-			error = fatentry(FAT_SET, pmp,
+			error = msdosfs_fatentry(FAT_SET, pmp,
 					 dep->de_fc[FC_LASTFC].fc_fsrcn,
 					 0, cn);
 			if (error) {
-				clusterfree(pmp, cn, NULL);
+				msdosfs_clusterfree(pmp, cn, NULL);
 				return (error);
 			}
 			frcn = dep->de_fc[FC_LASTFC].fc_frcn + 1;

Index: src/sys/fs/msdosfs/msdosfs_lookup.c
diff -u src/sys/fs/msdosfs/msdosfs_lookup.c:1.39 src/sys/fs/msdosfs/msdosfs_lookup.c:1.40
--- src/sys/fs/msdosfs/msdosfs_lookup.c:1.39	Sat Oct 23 07:41:37 2021
+++ src/sys/fs/msdosfs/msdosfs_lookup.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_lookup.c,v 1.39 2021/10/23 07:41:37 hannken Exp $	*/
+/*	$NetBSD: msdosfs_lookup.c,v 1.40 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -52,7 +52,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_lookup.c,v 1.39 2021/10/23 07:41:37 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_lookup.c,v 1.40 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 
@@ -183,19 +183,19 @@ msdosfs_lookup(void *v)
 		goto foundroot;
 	}
 
-	switch (unix2dosfn((const u_char *)cnp->cn_nameptr, dosfilename,
+	switch (msdosfs_unix2dosfn((const u_char *)cnp->cn_nameptr, dosfilename,
 	    cnp->cn_namelen, 0)) {
 	case 0:
 		return (EINVAL);
 	case 1:
 		break;
 	case 2:
-		wincnt = winSlotCnt((const u_char *)cnp->cn_nameptr,
+		wincnt = msdosfs_winSlotCnt((const u_char *)cnp->cn_nameptr,
 		    cnp->cn_namelen, pmp->pm_flags & MSDOSFSMNT_UTF8) + 1;
 		break;
 	case 3:
 		olddos = 0;
-		wincnt = winSlotCnt((const u_char *)cnp->cn_nameptr,
+		wincnt = msdosfs_winSlotCnt((const u_char *)cnp->cn_nameptr,
 		    cnp->cn_namelen, pmp->pm_flags & MSDOSFSMNT_UTF8) + 1;
 		break;
 	}
@@ -230,7 +230,8 @@ msdosfs_lookup(void *v)
 	 */
 	diroff = 0;
 	for (frcn = 0; diroff < dp->de_FileSize; frcn++) {
-		if ((error = pcbmap(dp, frcn, &bn, &cluster, &blsize)) != 0) {
+		if ((error = msdosfs_pcbmap(dp, frcn, &bn, &cluster,
+		    &blsize)) != 0) {
 			if (error == E2BIG)
 				break;
 			return (error);
@@ -283,7 +284,7 @@ msdosfs_lookup(void *v)
 					if (pmp->pm_flags & MSDOSFSMNT_SHORTNAME)
 						continue;
 
-					chksum = winChkName((const u_char *)cnp->cn_nameptr,
+					chksum = msdosfs_winChkName((const u_char *)cnp->cn_nameptr,
 							    cnp->cn_namelen,
 							    (struct winentry *)dep,
 							    chksum,
@@ -303,7 +304,8 @@ msdosfs_lookup(void *v)
 				/*
 				 * Check for a checksum or name match
 				 */
-				chksum_ok = (chksum == winChksum(dep->deName));
+				chksum_ok =
+				    (chksum == msdosfs_winChksum(dep->deName));
 				if (!chksum_ok && (
 					!olddos ||
 					memcmp(&dosfilename[0],dep->deName,8) ||
@@ -495,7 +497,7 @@ foundroot:
 			*vpp = vdp;
 			return (0);
 		}
-		error = deget(pmp, cluster, blkoff, vpp);
+		error = msdosfs_deget(pmp, cluster, blkoff, vpp);
 		return error;
 	}
 
@@ -524,14 +526,14 @@ foundroot:
 		if (dp->de_StartCluster == scn && isadir)
 			return (EISDIR);
 
-		error = deget(pmp, cluster, blkoff, vpp);
+		error = msdosfs_deget(pmp, cluster, blkoff, vpp);
 		return error;
 	}
 
 	if (dp->de_StartCluster == scn && isadir) {
 		vref(vdp);	/* we want ourself, ie "." */
 		*vpp = vdp;
-	} else if ((error = deget(pmp, cluster, blkoff, vpp)) != 0) {
+	} else if ((error = msdosfs_deget(pmp, cluster, blkoff, vpp)) != 0) {
 		return error;
 	}
 
@@ -552,7 +554,7 @@ foundroot:
  * cnp  - componentname needed for Win95 long filenames
  */
 int
-createde(struct denode *dep, struct denode *ddep,
+msdosfs_createde(struct denode *dep, struct denode *ddep,
     const struct msdosfs_lookup_results *mlr,
     struct denode **depp, struct componentname *cnp)
 {
@@ -587,8 +589,10 @@ createde(struct denode *dep, struct deno
 		u_long needlen = ddep->de_crap.mlr_fndoffset
 		    + sizeof(struct direntry) - ddep->de_FileSize;
 		dirclust = de_clcount(pmp, needlen);
-		if ((error = extendfile(ddep, dirclust, 0, 0, DE_CLEAR)) != 0) {
-			(void)detrunc(ddep, ddep->de_FileSize, 0, NOCRED);
+		if ((error = msdosfs_extendfile(ddep, dirclust, 0, 0,
+		    DE_CLEAR)) != 0) {
+			(void)msdosfs_detrunc(ddep, ddep->de_FileSize, 0,
+			    NOCRED);
 			goto err_norollback;
 		}
 
@@ -603,7 +607,7 @@ createde(struct denode *dep, struct deno
 	 * entry in.  Then write it to disk. NOTE:  DOS directories
 	 * do not get smaller as clusters are emptied.
 	 */
-	error = pcbmap(ddep, de_cluster(pmp, mlr->mlr_fndoffset),
+	error = msdosfs_pcbmap(ddep, de_cluster(pmp, mlr->mlr_fndoffset),
 		       &bn, &dirclust, &blsize);
 	if (error)
 		goto err_norollback;
@@ -622,7 +626,7 @@ createde(struct denode *dep, struct deno
 	 * Now write the Win95 long name
 	 */
 	if (mlr->mlr_fndcnt > 0) {
-		u_int8_t chksum = winChksum(ndep->deName);
+		u_int8_t chksum = msdosfs_winChksum(ndep->deName);
 		const u_char *un = (const u_char *)cnp->cn_nameptr;
 		int unlen = cnp->cn_namelen;
 		u_long xhavecnt;
@@ -641,7 +645,7 @@ createde(struct denode *dep, struct deno
 					goto rollback;
 
 				fndoffset -= sizeof(struct direntry);
-				error = pcbmap(ddep,
+				error = msdosfs_pcbmap(ddep,
 					       de_cluster(pmp, fndoffset),
 					       &bn, 0, &blsize);
 				if (error)
@@ -658,7 +662,8 @@ createde(struct denode *dep, struct deno
 				ndep--;
 				fndoffset -= sizeof(struct direntry);
 			}
-			if (!unix2winfn(un, unlen, (struct winentry *)ndep,
+			if (!msdosfs_unix2winfn(un, unlen,
+					(struct winentry *)ndep,
 					wcnt, chksum,
 					ddep->de_pmp->pm_flags & MSDOSFSMNT_UTF8))
 				break;
@@ -686,11 +691,11 @@ createde(struct denode *dep, struct deno
 				diroffset = 0;
 		}
 #ifdef MAKEFS
-		error = deget(pmp, dirclust, diroffset, depp);
+		error = msdosfs_deget(pmp, dirclust, diroffset, depp);
 #else
 		struct vnode *vp;
 
-		error = deget(pmp, dirclust, diroffset, &vp);
+		error = msdosfs_deget(pmp, dirclust, diroffset, &vp);
 		if (error == 0)
 			*depp = VTODE(vp);
 		else
@@ -708,7 +713,7 @@ createde(struct denode *dep, struct deno
 	 * consistent state.
 	 */
 	fndoffset = mlr->mlr_fndoffset;
-	rberror = pcbmap(ddep, de_cluster(pmp, fndoffset),
+	rberror = msdosfs_pcbmap(ddep, de_cluster(pmp, fndoffset),
 	       &bn, NULL, &blsize);
 	if (rberror)
 		goto err_norollback;
@@ -733,7 +738,7 @@ createde(struct denode *dep, struct deno
 				goto err_norollback;
 
 			fndoffset -= sizeof(struct direntry);
-			rberror = pcbmap(ddep,
+			rberror = msdosfs_pcbmap(ddep,
 				       de_cluster(pmp, fndoffset),
 				       &bn, 0, &blsize);
 			if (rberror)
@@ -766,7 +771,7 @@ createde(struct denode *dep, struct deno
  * return 0 if not empty or error.
  */
 int
-dosdirempty(struct denode *dep)
+msdosfs_dosdirempty(struct denode *dep)
 {
 	int blsize;
 	int error;
@@ -782,7 +787,7 @@ dosdirempty(struct denode *dep)
 	 * we hit end of file.
 	 */
 	for (cn = 0;; cn++) {
-		if ((error = pcbmap(dep, cn, &bn, 0, &blsize)) != 0) {
+		if ((error = msdosfs_pcbmap(dep, cn, &bn, 0, &blsize)) != 0) {
 			if (error == E2BIG)
 				return (1);	/* it's empty */
 			return (0);
@@ -835,7 +840,8 @@ dosdirempty(struct denode *dep)
  * directory entry within the block.
  */
 int
-readep(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset, struct buf **bpp, struct direntry **epp)
+msdosfs_readep(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
+    struct buf **bpp, struct direntry **epp)
 {
 	int error;
 	daddr_t bn;
@@ -862,9 +868,9 @@ readep(struct msdosfsmount *pmp, u_long 
  * entry within the block.
  */
 int
-readde(struct denode *dep, struct buf **bpp, struct direntry **epp)
+msdosfs_readde(struct denode *dep, struct buf **bpp, struct direntry **epp)
 {
-	return (readep(dep->de_pmp, dep->de_dirclust, dep->de_diroffset,
+	return (msdosfs_readep(dep->de_pmp, dep->de_dirclust, dep->de_diroffset,
 			bpp, epp));
 }
 
@@ -877,7 +883,7 @@ readde(struct denode *dep, struct buf **
  * msdosfs_reclaim() which will remove the denode from the denode cache.
  */
 int
-removede(struct denode *pdep, struct denode *dep,
+msdosfs_removede(struct denode *pdep, struct denode *dep,
     const struct msdosfs_lookup_results *mlr)
 	/* pdep:	 directory where the entry is removed */
 	/* dep:	 file to be removed */
@@ -918,7 +924,8 @@ removede(struct denode *pdep, struct den
 	offset += sizeof(struct direntry);
 	do {
 		offset -= sizeof(struct direntry);
-		error = pcbmap(pdep, de_cluster(pmp, offset), &bn, 0, &blsize);
+		error = msdosfs_pcbmap(pdep, de_cluster(pmp, offset), &bn, 0,
+		    &blsize);
 		if (error)
 			return error;
 		error = bread(pmp->pm_devvp, de_bn2kb(pmp, bn), blsize,
@@ -966,7 +973,7 @@ removede(struct denode *pdep, struct den
  * Create a unique DOS name in dvp
  */
 int
-uniqdosname(struct denode *dep, struct componentname *cnp, u_char *cp)
+msdosfs_uniqdosname(struct denode *dep, struct componentname *cnp, u_char *cp)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	struct direntry *dentp;
@@ -981,7 +988,7 @@ uniqdosname(struct denode *dep, struct c
 		/*
 		 * Generate DOS name with generation number
 		 */
-		if (!unix2dosfn((const u_char *)cnp->cn_nameptr, cp,
+		if (!msdosfs_unix2dosfn((const u_char *)cnp->cn_nameptr, cp,
 		    cnp->cn_namelen, gen))
 			return gen == 1 ? EINVAL : EEXIST;
 
@@ -989,7 +996,8 @@ uniqdosname(struct denode *dep, struct c
 		 * Now look for a dir entry with this exact name
 		 */
 		for (cn = error = 0; !error; cn++) {
-			if ((error = pcbmap(dep, cn, &bn, 0, &blsize)) != 0) {
+			if ((error = msdosfs_pcbmap(dep, cn, &bn, 0,
+			    &blsize)) != 0) {
 				if (error == E2BIG)	/* EOF reached and not found */
 					return 0;
 				return error;
@@ -1028,7 +1036,7 @@ uniqdosname(struct denode *dep, struct c
  * Find any Win'95 long filename entry in directory dep
  */
 int
-findwin95(struct denode *dep)
+msdosfs_findwin95(struct denode *dep)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	struct direntry *dentp;
@@ -1043,7 +1051,7 @@ findwin95(struct denode *dep)
 	 * XXX Note: Error currently handled just as EOF
 	 */
 	for (cn = 0;; cn++) {
-		if (pcbmap(dep, cn, &bn, 0, &blsize))
+		if (msdosfs_pcbmap(dep, cn, &bn, 0, &blsize))
 			return win95;
 		if (bread(pmp->pm_devvp, de_bn2kb(pmp, bn), blsize,
 		    0, &bp)) {

Index: src/sys/fs/msdosfs/msdosfs_rename.c
diff -u src/sys/fs/msdosfs/msdosfs_rename.c:1.2 src/sys/fs/msdosfs/msdosfs_rename.c:1.3
--- src/sys/fs/msdosfs/msdosfs_rename.c:1.2	Sat Oct 23 07:45:03 2021
+++ src/sys/fs/msdosfs/msdosfs_rename.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_rename.c,v 1.2 2021/10/23 07:45:03 hannken Exp $	*/
+/*	$NetBSD: msdosfs_rename.c,v 1.3 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_rename.c,v 1.2 2021/10/23 07:45:03 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_rename.c,v 1.3 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/buf.h>
@@ -211,7 +211,7 @@ msdosfs_gro_directory_empty_p(struct mou
 	KASSERT(VOP_ISLOCKED(vp) == LK_EXCLUSIVE);
 	KASSERT(VOP_ISLOCKED(dvp) == LK_EXCLUSIVE);
 
-	return dosdirempty(VTODE(vp));
+	return msdosfs_dosdirempty(VTODE(vp));
 }
 
 /*
@@ -439,7 +439,7 @@ msdosfs_gro_rename(struct mount *mp, kau
 	 * there will be something at the target pathname?
 	 */
 	if (tvp != NULL) {
-		error = removede(VTODE(tdvp), VTODE(tvp), tmlr);
+		error = msdosfs_removede(VTODE(tdvp), VTODE(tvp), tmlr);
 		if (error)
 			goto out;
 	}
@@ -449,7 +449,7 @@ msdosfs_gro_rename(struct mount *mp, kau
 	 * into the denode and directory entry for the destination
 	 * file/directory.
 	 */
-	error = uniqdosname(VTODE(tdvp), tcnp, toname);
+	error = msdosfs_uniqdosname(VTODE(tdvp), tcnp, toname);
 	if (error)
 		goto out;
 
@@ -466,7 +466,7 @@ msdosfs_gro_rename(struct mount *mp, kau
 	memcpy(oldname, VTODE(fvp)->de_Name, 11);
 	memcpy(VTODE(fvp)->de_Name, toname, 11);
 
-	error = createde(VTODE(fvp), VTODE(tdvp), tmlr, 0, tcnp);
+	error = msdosfs_createde(VTODE(fvp), VTODE(tdvp), tmlr, 0, tcnp);
 	if (error) {
 		/* Directory entry didn't take -- back out the name change.  */
 		memcpy(VTODE(fvp)->de_Name, oldname, 11);
@@ -483,10 +483,10 @@ msdosfs_gro_rename(struct mount *mp, kau
 	/*
 	 * XXX Yes, createde and removede have arguments swapped.  Go figure.
 	 */
-	error = removede(VTODE(fdvp), VTODE(fvp), fmlr);
+	error = msdosfs_removede(VTODE(fdvp), VTODE(fvp), fmlr);
 	if (error) {
 #if 0		/* XXX Back out the new directory entry?  Panic?  */
-		(void)removede(VTODE(tdvp), VTODE(fvp), tmlr);
+		(void)msdosfs_removede(VTODE(tdvp), VTODE(fvp), tmlr);
 		memcpy(VTODE(fvp)->de_Name, oldname, 11);
 #endif
 		goto out;
@@ -498,7 +498,7 @@ msdosfs_gro_rename(struct mount *mp, kau
 		struct denode_key old_key = VTODE(fvp)->de_key;
 		struct denode_key new_key = VTODE(fvp)->de_key;
 
-		error = pcbmap(VTODE(tdvp),
+		error = msdosfs_pcbmap(VTODE(tdvp),
 		    de_cluster(pmp, tmlr->mlr_fndoffset), NULL,
 		    &new_key.dk_dirclust, NULL);
 		if (error)	/* XXX Back everything out?  Panic?  */
@@ -561,7 +561,7 @@ msdosfs_gro_remove(struct mount *mp, kau
 	KASSERT(VOP_ISLOCKED(dvp) == LK_EXCLUSIVE);
 	KASSERT(VOP_ISLOCKED(vp) == LK_EXCLUSIVE);
 
-	error = removede(VTODE(dvp), VTODE(vp), mlr);
+	error = msdosfs_removede(VTODE(dvp), VTODE(vp), mlr);
 
 	*tvp_nlinkp = (error ? 1 : 0);
 
@@ -691,7 +691,8 @@ msdosfs_gro_genealogy(struct mount *mp, 
 
 		/* Neither -- keep ascending.  */
 
-		error = deget(pmp, dotdot_cn, (dotdot_cn ? 0 : MSDOSFSROOT_OFS), &dvp);
+		error = msdosfs_deget(pmp, dotdot_cn,
+		    (dotdot_cn ? 0 : MSDOSFSROOT_OFS), &dvp);
 		vput(vp);
 		if (error)
 			return error;

Index: src/sys/fs/msdosfs/msdosfs_vfsops.c
diff -u src/sys/fs/msdosfs/msdosfs_vfsops.c:1.136 src/sys/fs/msdosfs/msdosfs_vfsops.c:1.137
--- src/sys/fs/msdosfs/msdosfs_vfsops.c:1.136	Thu Feb 11 00:15:55 2021
+++ src/sys/fs/msdosfs/msdosfs_vfsops.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_vfsops.c,v 1.136 2021/02/11 00:15:55 ryoon Exp $	*/
+/*	$NetBSD: msdosfs_vfsops.c,v 1.137 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.136 2021/02/11 00:15:55 ryoon Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.137 2021/10/23 16:58:17 thorpej Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_compat_netbsd.h"
@@ -213,7 +213,7 @@ update_mp(struct mount *mp, struct msdos
 			error = msdosfs_root(mp, LK_EXCLUSIVE, &rtvp);
 			if (error != 0)
 				return error;
-			pmp->pm_flags |= findwin95(VTODE(rtvp))
+			pmp->pm_flags |= msdosfs_findwin95(VTODE(rtvp))
 				? MSDOSFSMNT_LONGNAME
 					: MSDOSFSMNT_SHORTNAME;
 			vput(rtvp);
@@ -849,7 +849,7 @@ msdosfs_mountfs(struct vnode *devvp, str
 	/*
 	 * Have the inuse map filled in.
 	 */
-	if ((error = fillinusemap(pmp)) != 0) {
+	if ((error = msdosfs_fillinusemap(pmp)) != 0) {
 		DPRINTF("fillinusemap %d", error);
 		goto error_exit;
 	}
@@ -969,7 +969,8 @@ msdosfs_root(struct mount *mp, int lktyp
 #ifdef MSDOSFS_DEBUG
 	printf("msdosfs_root(); mp %p, pmp %p\n", mp, pmp);
 #endif
-	if ((error = deget(pmp, MSDOSFSROOT, MSDOSFSROOT_OFS, vpp)) != 0)
+	if ((error = msdosfs_deget(pmp, MSDOSFSROOT, MSDOSFSROOT_OFS,
+	    vpp)) != 0)
 		return error;
 	error = vn_lock(*vpp, lktype);
 	if (error) {
@@ -1095,7 +1096,7 @@ msdosfs_fhtovp(struct mount *mp, struct 
 		*vpp = NULLVP;
 		return error;
 	}
-	error = deget(pmp, defh.defid_dirclust, defh.defid_dirofs, vpp);
+	error = msdosfs_deget(pmp, defh.defid_dirclust, defh.defid_dirofs, vpp);
 	if (error) {
 		DPRINTF("deget %d", error);
 		*vpp = NULLVP;

Index: src/sys/fs/msdosfs/msdosfs_vnops.c
diff -u src/sys/fs/msdosfs/msdosfs_vnops.c:1.109 src/sys/fs/msdosfs/msdosfs_vnops.c:1.110
--- src/sys/fs/msdosfs/msdosfs_vnops.c:1.109	Sat Oct 23 07:41:37 2021
+++ src/sys/fs/msdosfs/msdosfs_vnops.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_vnops.c,v 1.109 2021/10/23 07:41:37 hannken Exp $	*/
+/*	$NetBSD: msdosfs_vnops.c,v 1.110 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vnops.c,v 1.109 2021/10/23 07:41:37 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vnops.c,v 1.110 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -137,7 +137,7 @@ msdosfs_create(void *v)
 	 * readonly.
 	 */
 	memset(&ndirent, 0, sizeof(ndirent));
-	if ((error = uniqdosname(pdep, cnp, ndirent.de_Name)) != 0)
+	if ((error = msdosfs_uniqdosname(pdep, cnp, ndirent.de_Name)) != 0)
 		goto bad;
 
 	ndirent.de_Attributes = (ap->a_vap->va_mode & S_IWUSR) ?
@@ -149,7 +149,8 @@ msdosfs_create(void *v)
 	ndirent.de_pmp = pdep->de_pmp;
 	ndirent.de_flag = DE_ACCESS | DE_CREATE | DE_UPDATE;
 	DETIMES(&ndirent, NULL, NULL, NULL, pdep->de_pmp->pm_gmtoff);
-	if ((error = createde(&ndirent, pdep, &pdep->de_crap, &dep, cnp)) != 0)
+	if ((error = msdosfs_createde(&ndirent, pdep, &pdep->de_crap, &dep,
+	    cnp)) != 0)
 		goto bad;
 	*ap->a_vpp = DETOV(dep);
 	cache_enter(ap->a_dvp, *ap->a_vpp, cnp->cn_nameptr, cnp->cn_namelen,
@@ -286,12 +287,12 @@ msdosfs_getattr(void *v)
 	vap->va_nlink = 1;
 	vap->va_rdev = 0;
 	vap->va_size = ap->a_vp->v_size;
-	dos2unixtime(dep->de_MDate, dep->de_MTime, 0, pmp->pm_gmtoff,
+	msdosfs_dos2unixtime(dep->de_MDate, dep->de_MTime, 0, pmp->pm_gmtoff,
 	    &vap->va_mtime);
 	if (dep->de_pmp->pm_flags & MSDOSFSMNT_LONGNAME) {
-		dos2unixtime(dep->de_ADate, 0, 0, pmp->pm_gmtoff,
+		msdosfs_dos2unixtime(dep->de_ADate, 0, 0, pmp->pm_gmtoff,
 		    &vap->va_atime);
-		dos2unixtime(dep->de_CDate, dep->de_CTime, dep->de_CHun,
+		msdosfs_dos2unixtime(dep->de_CDate, dep->de_CTime, dep->de_CHun,
 		    pmp->pm_gmtoff, &vap->va_ctime);
 	} else {
 		vap->va_atime = vap->va_mtime;
@@ -359,7 +360,7 @@ msdosfs_setattr(void *v)
 			error = EROFS;
 			goto bad;
 		}
-		error = detrunc(dep, (u_long)vap->va_size, 0, cred);
+		error = msdosfs_detrunc(dep, (u_long)vap->va_size, 0, cred);
 		if (error)
 			goto bad;
 		de_changed = 1;
@@ -376,9 +377,11 @@ msdosfs_setattr(void *v)
 			goto bad;
 		if ((pmp->pm_flags & MSDOSFSMNT_NOWIN95) == 0 &&
 		    vap->va_atime.tv_sec != VNOVAL)
-			unix2dostime(&vap->va_atime, pmp->pm_gmtoff, &dep->de_ADate, NULL, NULL);
+			msdosfs_unix2dostime(&vap->va_atime, pmp->pm_gmtoff,
+			    &dep->de_ADate, NULL, NULL);
 		if (vap->va_mtime.tv_sec != VNOVAL)
-			unix2dostime(&vap->va_mtime, pmp->pm_gmtoff, &dep->de_MDate, &dep->de_MTime, NULL);
+			msdosfs_unix2dostime(&vap->va_mtime, pmp->pm_gmtoff,
+			    &dep->de_MDate, &dep->de_MTime, NULL);
 		dep->de_Attributes |= ATTR_ARCHIVE;
 		dep->de_flag |= DE_MODIFIED;
 		de_changed = 1;
@@ -426,7 +429,7 @@ msdosfs_setattr(void *v)
 	}
 
 	if (de_changed) {
-		error = deupdat(dep, 1);
+		error = msdosfs_deupdat(dep, 1);
 		if (error)
 			goto bad;
 	}
@@ -500,7 +503,7 @@ msdosfs_read(void *v)
 			n = (long) diff;
 
 		/* convert cluster # to sector # */
-		error = pcbmap(dep, lbn, &lbn, 0, &blsize);
+		error = msdosfs_pcbmap(dep, lbn, &lbn, 0, &blsize);
 		if (error)
 			goto bad;
 
@@ -523,7 +526,7 @@ out:
 	if ((ap->a_ioflag & IO_SYNC) == IO_SYNC) {
 		int uerror;
 
-		uerror = deupdat(dep, 1);
+		uerror = msdosfs_deupdat(dep, 1);
 		if (error == 0)
 			error = uerror;
 	}
@@ -593,7 +596,8 @@ msdosfs_write(void *v)
 	 * with zeroed blocks.
 	 */
 	if (uio->uio_offset > dep->de_FileSize) {
-		if ((error = deextend(dep, uio->uio_offset, cred)) != 0) {
+		if ((error = msdosfs_deextend(dep, uio->uio_offset,
+		    cred)) != 0) {
 			return (error);
 		}
 	}
@@ -612,7 +616,7 @@ msdosfs_write(void *v)
 	if (uio->uio_offset + resid > osize) {
 		count = de_clcount(pmp, uio->uio_offset + resid) -
 			de_clcount(pmp, osize);
-		if ((error = extendfile(dep, count, NULL, NULL, 0)))
+		if ((error = msdosfs_extendfile(dep, count, NULL, NULL, 0)))
 			goto errexit;
 
 		dep->de_FileSize = uio->uio_offset + resid;
@@ -662,11 +666,11 @@ msdosfs_write(void *v)
 	 */
 errexit:
 	if (error) {
-		detrunc(dep, osize, ioflag & IO_SYNC, NOCRED);
+		msdosfs_detrunc(dep, osize, ioflag & IO_SYNC, NOCRED);
 		uio->uio_offset -= resid - uio->uio_resid;
 		uio->uio_resid = resid;
 	} else if ((ioflag & IO_SYNC) == IO_SYNC)
-		error = deupdat(dep, 1);
+		error = msdosfs_deupdat(dep, 1);
 	KASSERT(vp->v_size == dep->de_FileSize);
 	return (error);
 }
@@ -691,7 +695,7 @@ msdosfs_update(struct vnode *vp, const s
 		return (0);
 	if (dep->de_refcnt <= 0)
 		return (0);
-	error = readde(dep, &bp, &dirp);
+	error = msdosfs_readde(dep, &bp, &dirp);
 	if (error)
 		return (error);
 	DE_EXTERNALIZE(dirp, dep);
@@ -725,7 +729,7 @@ msdosfs_remove(void *v)
 	if (ap->a_vp->v_type == VDIR)
 		error = EPERM;
 	else
-		error = removede(ddep, dep, &ddep->de_crap);
+		error = msdosfs_removede(ddep, dep, &ddep->de_crap);
 #ifdef MSDOSFS_DEBUG
 	printf("msdosfs_remove(), dep %p, usecount %d\n",
 		dep, vrefcnt(ap->a_vp));
@@ -801,7 +805,7 @@ msdosfs_mkdir(void *v)
 	/*
 	 * Allocate a cluster to hold the about to be created directory.
 	 */
-	error = clusteralloc(pmp, 0, 1, &newcluster, NULL);
+	error = msdosfs_clusteralloc(pmp, 0, 1, &newcluster, NULL);
 	if (error)
 		goto bad2;
 
@@ -857,7 +861,7 @@ msdosfs_mkdir(void *v)
 	 * cluster.  This will be written to an empty slot in the parent
 	 * directory.
 	 */
-	if ((error = uniqdosname(pdep, cnp, ndirent.de_Name)) != 0)
+	if ((error = msdosfs_uniqdosname(pdep, cnp, ndirent.de_Name)) != 0)
 		goto bad;
 
 	ndirent.de_Attributes = ATTR_DIRECTORY;
@@ -865,13 +869,14 @@ msdosfs_mkdir(void *v)
 	ndirent.de_FileSize = 0;
 	ndirent.de_dev = pdep->de_dev;
 	ndirent.de_devvp = pdep->de_devvp;
-	if ((error = createde(&ndirent, pdep, &pdep->de_crap, &dep, cnp)) != 0)
+	if ((error = msdosfs_createde(&ndirent, pdep, &pdep->de_crap, &dep,
+	    cnp)) != 0)
 		goto bad;
 	*ap->a_vpp = DETOV(dep);
 	return (0);
 
 bad:
-	clusterfree(pmp, newcluster, NULL);
+	msdosfs_clusterfree(pmp, newcluster, NULL);
 bad2:
 	return (error);
 }
@@ -907,7 +912,7 @@ msdosfs_rmdir(void *v)
 	 *  non-empty.)
 	 */
 	error = 0;
-	if (!dosdirempty(ip) || ip->de_flag & DE_RENAME) {
+	if (!msdosfs_dosdirempty(ip) || ip->de_flag & DE_RENAME) {
 		error = ENOTEMPTY;
 		goto out;
 	}
@@ -919,7 +924,7 @@ msdosfs_rmdir(void *v)
 	 * up access and eventually msdosfs_reclaim() will be called which
 	 * will remove it from the denode cache.
 	 */
-	if ((error = removede(dp, ip, &dp->de_crap)) != 0)
+	if ((error = msdosfs_removede(dp, ip, &dp->de_crap)) != 0)
 		goto out;
 	/*
 	 * This is where we decrement the link count in the parent
@@ -930,7 +935,7 @@ msdosfs_rmdir(void *v)
 	/*
 	 * Truncate the directory that is being deleted.
 	 */
-	error = detrunc(ip, (u_long)0, IO_SYNC, cnp->cn_cred);
+	error = msdosfs_detrunc(ip, (u_long)0, IO_SYNC, cnp->cn_cred);
 	cache_purge(vp);
 out:
 	vput(vp);
@@ -1074,7 +1079,7 @@ msdosfs_readdir(void *v)
 		if (diff <= 0)
 			break;
 		n = MIN(n, diff);
-		if ((error = pcbmap(dep, lbn, &bn, &cn, &blsize)) != 0)
+		if ((error = msdosfs_pcbmap(dep, lbn, &bn, &cn, &blsize)) != 0)
 			break;
 		error = bread(pmp->pm_devvp, de_bn2kb(pmp, bn), blsize,
 		    0, &bp);
@@ -1116,7 +1121,8 @@ msdosfs_readdir(void *v)
 			if (dentp->deAttributes == ATTR_WIN95) {
 				if (pmp->pm_flags & MSDOSFSMNT_SHORTNAME)
 					continue;
-				chksum = win2unixfn((struct winentry *)dentp,
+				chksum =
+				    msdosfs_win2unixfn((struct winentry *)dentp,
 				    dirbuf, chksum, &namlen,
 				    pmp->pm_flags & MSDOSFSMNT_UTF8);
 				if (chksum != -1)
@@ -1157,8 +1163,9 @@ msdosfs_readdir(void *v)
 				    offset / sizeof(struct direntry);
 				dirbuf->d_type = DT_REG;
 			}
-			if (chksum != winChksum(dentp->deName))
-				dirbuf->d_namlen = dos2unixfn(dentp->deName,
+			if (chksum != msdosfs_winChksum(dentp->deName))
+				dirbuf->d_namlen =
+				    msdosfs_dos2unixfn(dentp->deName,
 				    (u_char *)dirbuf->d_name,
 				    pmp->pm_flags & MSDOSFSMNT_SHORTNAME);
 			else
@@ -1236,7 +1243,7 @@ msdosfs_bmap(void *v)
 		*ap->a_vpp = dep->de_devvp;
 	if (ap->a_bnp == NULL)
 		return (0);
-	status = pcbmap(dep, ap->a_bn, ap->a_bnp, 0, 0);
+	status = msdosfs_pcbmap(dep, ap->a_bn, ap->a_bnp, 0, 0);
 
 	/*
 	 * From FreeBSD:
@@ -1251,8 +1258,8 @@ msdosfs_bmap(void *v)
 		maxrun = ulmin(MAXPHYS / dep->de_pmp->pm_bpcluster - 1,
 			       dep->de_pmp->pm_maxcluster - ap->a_bn);
 		for (run = 1; run <= maxrun; run++) {
-			if (pcbmap(dep, ap->a_bn + run, &runbn, NULL, NULL)
-			    != 0 || runbn !=
+			if (msdosfs_pcbmap(dep, ap->a_bn + run, &runbn, NULL,
+			    NULL) != 0 || runbn !=
 			            *ap->a_bnp + de_cn2bn(dep->de_pmp, run))
 				break;
 		}
@@ -1287,7 +1294,7 @@ msdosfs_strategy(void *v)
 	 * don't allow files with holes, so we shouldn't ever see this.
 	 */
 	if (bp->b_blkno == bp->b_lblkno) {
-		error = pcbmap(dep, de_bn2cn(dep->de_pmp, bp->b_lblkno),
+		error = msdosfs_pcbmap(dep, de_bn2cn(dep->de_pmp, bp->b_lblkno),
 			       &bp->b_blkno, 0, 0);
 		if (error)
 			bp->b_blkno = -1;
@@ -1424,7 +1431,8 @@ msdosfs_detimes(struct denode *dep, cons
 			getnanotime(&tsb);
 			mod = ts = &tsb;
 		}
-		unix2dostime(mod, gmtoff, &dep->de_MDate, &dep->de_MTime, NULL);
+		msdosfs_unix2dostime(mod, gmtoff, &dep->de_MDate,
+		    &dep->de_MTime, NULL);
 		dep->de_Attributes |= ATTR_ARCHIVE;
 	}
 	if ((dep->de_pmp->pm_flags & MSDOSFSMNT_NOWIN95) == 0) {
@@ -1432,13 +1440,14 @@ msdosfs_detimes(struct denode *dep, cons
 			if (acc == NULL)
 				acc = ts == NULL ?
 				    (getnanotime(&tsb), ts = &tsb) : ts;
-			unix2dostime(acc, gmtoff, &dep->de_ADate, NULL, NULL);
+			msdosfs_unix2dostime(acc, gmtoff, &dep->de_ADate,
+			    NULL, NULL);
 		}
 		if (dep->de_flag & DE_CREATE) {
 			if (cre == NULL)
 				cre = ts == NULL ?
 				    (getnanotime(&tsb), ts = &tsb) : ts;
-			unix2dostime(cre, gmtoff, &dep->de_CDate,
+			msdosfs_unix2dostime(cre, gmtoff, &dep->de_CDate,
 			    &dep->de_CTime, &dep->de_CHun);
 		}
 	}

Index: src/usr.sbin/makefs/msdos/msdosfs_denode.c
diff -u src/usr.sbin/makefs/msdos/msdosfs_denode.c:1.7 src/usr.sbin/makefs/msdos/msdosfs_denode.c:1.8
--- src/usr.sbin/makefs/msdos/msdosfs_denode.c:1.7	Sun Mar 29 05:52:59 2015
+++ src/usr.sbin/makefs/msdos/msdosfs_denode.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_denode.c,v 1.7 2015/03/29 05:52:59 agc Exp $	*/
+/*	$NetBSD: msdosfs_denode.c,v 1.8 2021/10/23 16:58:17 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -52,7 +52,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_denode.c,v 1.7 2015/03/29 05:52:59 agc Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_denode.c,v 1.8 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 
@@ -79,7 +79,7 @@ __KERNEL_RCSID(0, "$NetBSD: msdosfs_deno
  * depp	     - returns the address of the gotten denode.
  */
 int
-deget(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
+msdosfs_deget(struct msdosfsmount *pmp, u_long dirclust, u_long diroffset,
     struct denode **depp)
 	/* pmp:	 so we know the maj/min number */
 	/* dirclust:		 cluster this dir entry came from */
@@ -114,7 +114,7 @@ deget(struct msdosfsmount *pmp, u_long d
 	ldep->de_pmp = pmp;
 	ldep->de_devvp = pmp->pm_devvp;
 	ldep->de_refcnt = 1;
-	fc_purge(ldep, 0);
+	msdosfs_fc_purge(ldep, 0);
 	/*
 	 * Copy the directory entry into the denode area of the vnode.
 	 */
@@ -153,7 +153,8 @@ deget(struct msdosfsmount *pmp, u_long d
 		ldep->de_MDate = ldep->de_CDate;
 		/* leave the other fields as garbage */
 	} else {
-		error = readep(pmp, dirclust, diroffset, &bp, &direntptr);
+		error = msdosfs_readep(pmp, dirclust, diroffset, &bp,
+		    &direntptr);
 		if (error) {
 			ldep->de_devvp = NULL;
 			ldep->de_Name[0] = SLOT_DELETED;
@@ -177,7 +178,7 @@ deget(struct msdosfsmount *pmp, u_long d
 		u_long size;
 
 		if (ldep->de_StartCluster != MSDOSFSROOT) {
-			error = pcbmap(ldep, CLUST_END, 0, &size, 0);
+			error = msdosfs_pcbmap(ldep, CLUST_END, 0, &size, 0);
 			if (error == E2BIG) {
 				ldep->de_FileSize = de_cn2off(pmp, size);
 				error = 0;
@@ -193,7 +194,8 @@ deget(struct msdosfsmount *pmp, u_long d
  * Truncate the file described by dep to the length specified by length.
  */
 int
-detrunc(struct denode *dep, u_long length, int flags, struct kauth_cred *cred)
+msdosfs_detrunc(struct denode *dep, u_long length, int flags,
+    struct kauth_cred *cred)
 {
 	int error;
 	int allerror = 0;
@@ -224,7 +226,7 @@ detrunc(struct denode *dep, u_long lengt
 	}
 
 	if (dep->de_FileSize < length)
-		return (deextend(dep, length, cred));
+		return (msdosfs_deextend(dep, length, cred));
 	lastblock = de_clcount(pmp, length) - 1;
 
 	/*
@@ -241,7 +243,7 @@ detrunc(struct denode *dep, u_long lengt
 		dep->de_StartCluster = 0;
 		eofentry = ~0;
 	} else {
-		error = pcbmap(dep, lastblock, 0, &eofentry, 0);
+		error = msdosfs_pcbmap(dep, lastblock, 0, &eofentry, 0);
 		if (error) {
 #ifdef MSDOSFS_DEBUG
 			printf("detrunc(): pcbmap fails %d\n", error);
@@ -292,7 +294,7 @@ detrunc(struct denode *dep, u_long lengt
 	 * now.
 	 */
 	if (eofentry != (u_long)~0) {
-		error = fatentry(FAT_GET_AND_SET, pmp, eofentry,
+		error = msdosfs_fatentry(FAT_GET_AND_SET, pmp, eofentry,
 				 &chaintofree, CLUST_EOFE);
 		if (error) {
 #ifdef MSDOSFS_DEBUG
@@ -307,7 +309,7 @@ detrunc(struct denode *dep, u_long lengt
 	 * truncation.
 	 */
 	if (chaintofree != 0 && !MSDOSFSEOF(chaintofree, pmp->pm_fatmask))
-		freeclusterchain(pmp, chaintofree);
+		msdosfs_freeclusterchain(pmp, chaintofree);
 
 	return (allerror);
 }
@@ -316,7 +318,7 @@ detrunc(struct denode *dep, u_long lengt
  * Extend the file described by dep to length specified by length.
  */
 int
-deextend(struct denode *dep, u_long length, struct kauth_cred *cred)
+msdosfs_deextend(struct denode *dep, u_long length, struct kauth_cred *cred)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
 	u_long count;
@@ -344,10 +346,10 @@ deextend(struct denode *dep, u_long leng
 	if (count > 0) {
 		if (count > pmp->pm_freeclustercount)
 			return (ENOSPC);
-		error = extendfile(dep, count, NULL, NULL, DE_CLEAR);
+		error = msdosfs_extendfile(dep, count, NULL, NULL, DE_CLEAR);
 		if (error) {
 			/* truncate the added clusters away again */
-			(void) detrunc(dep, dep->de_FileSize, 0, cred);
+			(void) msdosfs_detrunc(dep, dep->de_FileSize, 0, cred);
 			return (error);
 		}
 	}

Index: src/usr.sbin/makefs/msdos/msdosfs_vfsops.c
diff -u src/usr.sbin/makefs/msdos/msdosfs_vfsops.c:1.11 src/usr.sbin/makefs/msdos/msdosfs_vfsops.c:1.12
--- src/usr.sbin/makefs/msdos/msdosfs_vfsops.c:1.11	Sat Jan 27 02:07:33 2018
+++ src/usr.sbin/makefs/msdos/msdosfs_vfsops.c	Sat Oct 23 16:58:17 2021
@@ -50,7 +50,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.11 2018/01/27 02:07:33 sevan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.12 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 
@@ -382,7 +382,7 @@ msdosfs_mount(struct vnode *devvp, int f
 	/*
 	 * Have the inuse map filled in.
 	 */
-	if ((error = fillinusemap(pmp)) != 0) {
+	if ((error = msdosfs_fillinusemap(pmp)) != 0) {
 		DPRINTF(("fillinusemap %d\n", error));
 		goto error_exit;
 	}
@@ -423,7 +423,8 @@ msdosfs_root(struct msdosfsmount *pmp, s
 	int error;
 
 	*vp = *pmp->pm_devvp;
-	if ((error = deget(pmp, MSDOSFSROOT, MSDOSFSROOT_OFS, &ndep)) != 0) {
+	if ((error = msdosfs_deget(pmp, MSDOSFSROOT, MSDOSFSROOT_OFS,
+	    &ndep)) != 0) {
 		errno = error;
 		return -1;
 	}

Index: src/usr.sbin/makefs/msdos/msdosfs_vnops.c
diff -u src/usr.sbin/makefs/msdos/msdosfs_vnops.c:1.20 src/usr.sbin/makefs/msdos/msdosfs_vnops.c:1.21
--- src/usr.sbin/makefs/msdos/msdosfs_vnops.c:1.20	Sat Oct 23 07:38:33 2021
+++ src/usr.sbin/makefs/msdos/msdosfs_vnops.c	Sat Oct 23 16:58:17 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_vnops.c,v 1.20 2021/10/23 07:38:33 hannken Exp $ */
+/*	$NetBSD: msdosfs_vnops.c,v 1.21 2021/10/23 16:58:17 thorpej Exp $ */
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -51,7 +51,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vnops.c,v 1.20 2021/10/23 07:38:33 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vnops.c,v 1.21 2021/10/23 16:58:17 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/mman.h>
@@ -113,8 +113,10 @@ msdosfs_times(struct msdosfsmount *pmp, 
 	mt.tv_sec = st->st_mtime;
 	mt.tv_nsec = 0;
 #endif
-	unix2dostime(&at, pmp->pm_gmtoff, &dep->de_ADate, NULL, NULL);
-	unix2dostime(&mt, pmp->pm_gmtoff, &dep->de_MDate, &dep->de_MTime, NULL);
+	msdosfs_unix2dostime(&at, pmp->pm_gmtoff, &dep->de_ADate,
+	    NULL, NULL);
+	msdosfs_unix2dostime(&mt, pmp->pm_gmtoff, &dep->de_MDate,
+	    &dep->de_MTime, NULL);
 }
 
 /*
@@ -154,19 +156,19 @@ msdosfs_findslot(struct denode *dp, stru
 
 	pmp = dp->de_pmp;
 
-	switch (unix2dosfn((const u_char *)cnp->cn_nameptr, dosfilename,
+	switch (msdosfs_unix2dosfn((const u_char *)cnp->cn_nameptr, dosfilename,
 	    cnp->cn_namelen, 0)) {
 	case 0:
 		return (EINVAL);
 	case 1:
 		break;
 	case 2:
-		wincnt = winSlotCnt((const u_char *)cnp->cn_nameptr,
+		wincnt = msdosfs_winSlotCnt((const u_char *)cnp->cn_nameptr,
 		    cnp->cn_namelen, pmp->pm_flags & MSDOSFSMNT_UTF8) + 1;
 		break;
 	case 3:
 		olddos = 0;
-		wincnt = winSlotCnt((const u_char *)cnp->cn_nameptr,
+		wincnt = msdosfs_winSlotCnt((const u_char *)cnp->cn_nameptr,
 		    cnp->cn_namelen, pmp->pm_flags & MSDOSFSMNT_UTF8) + 1;
 		break;
 	}
@@ -195,7 +197,8 @@ msdosfs_findslot(struct denode *dp, stru
 	 */
 	diroff = 0;
 	for (frcn = 0; diroff < dp->de_FileSize; frcn++) {
-		if ((error = pcbmap(dp, frcn, &bn, &cluster, &blsize)) != 0) {
+		if ((error = msdosfs_pcbmap(dp, frcn, &bn, &cluster,
+		    &blsize)) != 0) {
 			if (error == E2BIG)
 				break;
 			return (error);
@@ -248,7 +251,7 @@ msdosfs_findslot(struct denode *dp, stru
 					if (pmp->pm_flags & MSDOSFSMNT_SHORTNAME)
 						continue;
 
-					chksum = winChkName((const u_char *)cnp->cn_nameptr,
+					chksum = msdosfs_winChkName((const u_char *)cnp->cn_nameptr,
 							    cnp->cn_namelen,
 							    (struct winentry *)dep,
 							    chksum,
@@ -268,7 +271,8 @@ msdosfs_findslot(struct denode *dp, stru
 				/*
 				 * Check for a checksum or name match
 				 */
-				chksum_ok = (chksum == winChksum(dep->deName));
+				chksum_ok =
+				    (chksum == msdosfs_winChksum(dep->deName));
 				if (!chksum_ok
 				    && (!olddos || memcmp(dosfilename, dep->deName, 11))) {
 					chksum = -1;
@@ -378,7 +382,7 @@ msdosfs_mkfile(const char *path, struct 
 	 * readonly.
 	 */
 	memset(&ndirent, 0, sizeof(ndirent));
-	if ((error = uniqdosname(pdep, &cn, ndirent.de_Name)) != 0)
+	if ((error = msdosfs_uniqdosname(pdep, &cn, ndirent.de_Name)) != 0)
 		goto bad;
 
 	ndirent.de_Attributes = (st->st_mode & S_IWUSR) ?
@@ -392,7 +396,8 @@ msdosfs_mkfile(const char *path, struct 
 	msdosfs_times(pmp, &ndirent, st);
 	if ((error = msdosfs_findslot(pdep, &cn)) != 0)
 		goto bad;
-	if ((error = createde(&ndirent, pdep, &pdep->de_crap, &dep, &cn)) != 0)
+	if ((error = msdosfs_createde(&ndirent, pdep, &pdep->de_crap, &dep,
+	    &cn)) != 0)
 		goto bad;
 	if ((error = msdosfs_wfile(path, dep, node)) != 0)
 		goto bad;
@@ -410,7 +415,7 @@ msdosfs_updatede(struct denode *dep)
 	int error;
 
 	dep->de_flag &= ~DE_MODIFIED;
-	error = readde(dep, &bp, &dirp);
+	error = msdosfs_readde(dep, &bp, &dirp);
 	if (error)
 		return error;
 	DE_EXTERNALIZE(dirp, dep);
@@ -446,7 +451,7 @@ msdosfs_wfile(const char *path, struct d
 	nsize = st->st_size;
 	DPRINTF(("%s(nsize=%zu, osize=%zu)\n", __func__, nsize, osize));
 	if (nsize > osize) {
-		if ((error = deextend(dep, nsize, NULL)) != 0)
+		if ((error = msdosfs_deextend(dep, nsize, NULL)) != 0)
 			return error;
 		if ((error = msdosfs_updatede(dep)) != 0)
 			return error;
@@ -482,7 +487,8 @@ msdosfs_wfile(const char *path, struct d
 		bn = cntobn(pmp, cn);
 		blsize = pmp->pm_bpcluster;
 #else
-		if ((error = pcbmap(dep, cn++, &bn, NULL, &blsize)) != 0) {
+		if ((error = msdosfs_pcbmap(dep, cn++, &bn, NULL,
+		    &blsize)) != 0) {
 			DPRINTF(("%s: pcbmap %lu", __func__, bn));
 			goto out;
 		}
@@ -564,7 +570,7 @@ msdosfs_mkdire(const char *path, struct 
 	/*
 	 * Allocate a cluster to hold the about to be created directory.
 	 */
-	error = clusteralloc(pmp, 0, 1, &newcluster, NULL);
+	error = msdosfs_clusteralloc(pmp, 0, 1, &newcluster, NULL);
 	if (error)
 		goto bad2;
 
@@ -622,7 +628,7 @@ msdosfs_mkdire(const char *path, struct 
 	 * cluster.  This will be written to an empty slot in the parent
 	 * directory.
 	 */
-	if ((error = uniqdosname(pdep, &cn, ndirent.de_Name)) != 0)
+	if ((error = msdosfs_uniqdosname(pdep, &cn, ndirent.de_Name)) != 0)
 		goto bad;
 
 	ndirent.de_Attributes = ATTR_DIRECTORY;
@@ -633,14 +639,15 @@ msdosfs_mkdire(const char *path, struct 
 	ndirent.de_pmp = pdep->de_pmp;
 	if ((error = msdosfs_findslot(pdep, &cn)) != 0)
 		goto bad;
-	if ((error = createde(&ndirent, pdep, &pdep->de_crap, &dep, &cn)) != 0)
+	if ((error = msdosfs_createde(&ndirent, pdep, &pdep->de_crap, &dep,
+	    &cn)) != 0)
 		goto bad;
 	if ((error = msdosfs_updatede(dep)) != 0)
 		goto bad;
 	return dep;
 
 bad:
-	clusterfree(pmp, newcluster, NULL);
+	msdosfs_clusterfree(pmp, newcluster, NULL);
 bad2:
 	errno = error;
 	return NULL;

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