Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/ufs/ufs/ufs_dirhash.c,v
rcsdiff: /ftp/cvs/cvsroot/src/sys/ufs/ufs/ufs_dirhash.c,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.4.2.3
retrieving revision 1.13.2.4
diff -u -p -r1.4.2.3 -r1.13.2.4
--- src/sys/ufs/ufs/ufs_dirhash.c	2007/09/03 14:46:59	1.4.2.3
+++ src/sys/ufs/ufs/ufs_dirhash.c	2007/07/15 13:28:20	1.13.2.4
@@ -1,4 +1,4 @@
-/*	$NetBSD: ufs_dirhash.c,v 1.4.2.3 2007/09/03 14:46:59 yamt Exp $	*/
+/*	$NetBSD: ufs_dirhash.c,v 1.13.2.4 2007/07/15 13:28:20 ad Exp $	*/
 
 /*
  * Copyright (c) 2001, 2002 Ian Dowse.  All rights reserved.
@@ -27,9 +27,6 @@
  * $FreeBSD: src/sys/ufs/ufs/ufs_dirhash.c,v 1.3.2.8 2004/12/08 11:54:13 dwmalone Exp $
  */
 
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ufs_dirhash.c,v 1.4.2.3 2007/09/03 14:46:59 yamt Exp $");
-
 /*
  * This implements a hash-based lookup scheme for UFS directories.
  */
@@ -76,8 +73,6 @@ static doff_t ufsdirhash_getprev(struct 
 	   int dirblksiz);
 static int ufsdirhash_recycle(int wanted);
 
-static struct pool ufsdirhash_pool;
-
 #define DIRHASHLIST_LOCK()		mutex_enter(&ufsdirhash_lock)
 #define DIRHASHLIST_UNLOCK()		mutex_exit(&ufsdirhash_lock)
 #define DIRHASH_LOCK(dh)		mutex_enter(&(dh)->dh_lock)
@@ -216,7 +211,7 @@ ufsdirhash_build(struct inode *ip)
 		/* If necessary, get the next directory block. */
 		if ((pos & bmask) == 0) {
 			if (bp != NULL)
-				brelse(bp);
+				brelse(bp, 0);
 			if (ufs_blkatoff(vp, (off_t)pos, NULL, &bp) != 0)
 				goto fail;
 		}
@@ -226,7 +221,7 @@ ufsdirhash_build(struct inode *ip)
 		if (ep->d_reclen == 0 || ep->d_reclen >
 		    dirblksiz - (pos & (dirblksiz - 1))) {
 			/* Corrupted directory. */
-			brelse(bp);
+			brelse(bp, 0);
 			goto fail;
 		}
 		if (ep->d_ino != 0) {
@@ -243,7 +238,7 @@ ufsdirhash_build(struct inode *ip)
 	}
 
 	if (bp != NULL)
-		brelse(bp);
+		brelse(bp, 0);
 	DIRHASHLIST_LOCK();
 	TAILQ_INSERT_TAIL(&ufsdirhash_list, dh, dh_list);
 	dh->dh_onlist = 1;
@@ -412,7 +407,7 @@ restart:
 			panic("ufsdirhash_lookup: bad offset in hash array");
 		if ((offset & ~bmask) != blkoff) {
 			if (bp != NULL)
-				brelse(bp);
+				brelse(bp, 0);
 			blkoff = offset & ~bmask;
 			if (ufs_blkatoff(vp, (off_t)blkoff, NULL, &bp) != 0)
 				return (EJUSTRETURN);
@@ -421,7 +416,7 @@ restart:
 		if (dp->d_reclen == 0 || dp->d_reclen >
 		    dirblksiz - (offset & (dirblksiz - 1))) {
 			/* Corrupted directory. */
-			brelse(bp);
+			brelse(bp, 0);
 			return (EJUSTRETURN);
 		}
 		if (dp->d_namlen == namelen &&
@@ -432,7 +427,7 @@ restart:
 					prevoff = ufsdirhash_getprev(dp,
 					    offset, dirblksiz);
 					if (prevoff == -1) {
-						brelse(bp);
+						brelse(bp, 0);
 						return (EJUSTRETURN);
 					}
 				} else
@@ -454,7 +449,7 @@ restart:
 		if (dh->dh_hash == NULL) {
 			DIRHASH_UNLOCK(dh);
 			if (bp != NULL)
-				brelse(bp);
+				brelse(bp, 0);
 			ufsdirhash_free(ip);
 			return (EJUSTRETURN);
 		}
@@ -469,7 +464,7 @@ restart:
 	}
 	DIRHASH_UNLOCK(dh);
 	if (bp != NULL)
-		brelse(bp);
+		brelse(bp, 0);
 	return (ENOENT);
 }
 
@@ -529,7 +524,7 @@ ufsdirhash_findfree(struct inode *ip, in
 	/* Find the first entry with free space. */
 	for (i = 0; i < dirblksiz; ) {
 		if (dp->d_reclen == 0) {
-			brelse(bp);
+			brelse(bp, 0);
 			return (-1);
 		}
 		if (dp->d_ino == 0 || dp->d_reclen > DIRSIZ(0, dp, needswap))
@@ -538,7 +533,7 @@ ufsdirhash_findfree(struct inode *ip, in
 		dp = (struct direct *)((char *)dp + dp->d_reclen);
 	}
 	if (i > dirblksiz) {
-		brelse(bp);
+		brelse(bp, 0);
 		return (-1);
 	}
 	slotstart = pos + i;
@@ -550,19 +545,19 @@ ufsdirhash_findfree(struct inode *ip, in
 		if (dp->d_ino != 0)
 			freebytes -= DIRSIZ(0, dp, needswap);
 		if (dp->d_reclen == 0) {
-			brelse(bp);
+			brelse(bp, 0);
 			return (-1);
 		}
 		i += dp->d_reclen;
 		dp = (struct direct *)((char *)dp + dp->d_reclen);
 	}
 	if (i > dirblksiz) {
-		brelse(bp);
+		brelse(bp, 0);
 		return (-1);
 	}
 	if (freebytes < slotneeded)
 		panic("ufsdirhash_findfree: free mismatch");
-	brelse(bp);
+	brelse(bp, 0);
 	*slotsize = pos + i - slotstart;
 	return (slotstart);
 }
@@ -938,6 +933,8 @@ ufsdirhash_findslot(struct dirhash *dh, 
 
 	KASSERT(mutex_owned(&dh->dh_lock));
 
+	KASSERT(mutex_owned(&dh->dh_lock));
+
 	/* Find the entry. */
 	KASSERT(dh->dh_hused < dh->dh_hlen);
 	slot = ufsdirhash_hash(dh, name, namelen);
@@ -962,6 +959,8 @@ ufsdirhash_delslot(struct dirhash *dh, i
 
 	KASSERT(mutex_owned(&dh->dh_lock));
 
+	KASSERT(mutex_owned(&dh->dh_lock));
+
 	/* Mark the entry as deleted. */
 	DH_ENTRY(dh, slot) = DIRHASH_DEL;
 
@@ -1072,21 +1071,17 @@ ufsdirhash_recycle(int wanted)
 void
 ufsdirhash_init()
 {
-
-	mutex_init(&ufsdirhash_lock, MUTEX_DEFAULT, IPL_NONE);
-	malloc_type_attach(M_DIRHASH);
 	pool_init(&ufsdirhash_pool, DH_NBLKOFF * sizeof(daddr_t), 0, 0, 0,
 	    "ufsdirhash", &pool_allocator_nointr, IPL_NONE);
+	mutex_init(&ufsdirhash_lock, MUTEX_DEFAULT, IPL_NONE);
 	TAILQ_INIT(&ufsdirhash_list);
 }
 
 void
 ufsdirhash_done(void)
 {
-
 	KASSERT(TAILQ_EMPTY(&ufsdirhash_list));
 	pool_destroy(&ufsdirhash_pool);
-	malloc_type_detach(M_DIRHASH);
 	mutex_destroy(&ufsdirhash_lock);
 }