3 files changed, 8 insertions(+), 2 deletions(-)

M port/alloc.c
M port/chan.c
M port/portdat.h

@@ 63,6 63,7 @@ struct Bucket
 	int	size;
 	int	magic;
 	Bucket	*next;
+	ulong	pc;
 	char	data[1];
 };
 


@@ 260,6 261,8 @@ malloc(ulong size)
 	ulong next;
 	int pow, n;
 	Bucket *bp, *nbp;
+ulong pc;
+pc = getcallerpc(0);
 
 	for(pow = 3; pow <= Maxpow; pow++)
 		if(size <= (1<<pow))


@@ 278,7 281,7 @@ good:
 			panic("malloc");
 
 		bp->magic = Magic2n;
-
+bp->pc = pc;
 		memset(bp->data, 0,  size);
 		return  bp->data;
 	}


@@ 318,6 321,7 @@ good:
 
 	bp->size = pow;
 	bp->magic = Magic2n;
+bp->pc = pc;
 	return bp->data;
 }
 

@@ 550,7 550,7 @@ namec(char *name, int amode, int omode, ulong perm)
 		if(r == 'M') {
 			if(amode != Aopen || omode != ORDWR)
 				error(Eperm);
-			name = skipslash(name);
+			skipslash(name);
 			return mchan(elem+n);
 		}
 		t = devno(r, 1);

@@ 276,6 276,8 @@ struct Mnt
 	ushort	flushtag;	/* Tag to send flush on */
 	ushort	flushbase;	/* Base tag of flush window for this buffer */
 	Pthash	tree;		/* Path names from this mount point */
+	char	*partial;	/* Outstanding read data */
+	int	npart;		/* Sizeof remains */
 };
 
 enum