From 7d8d997e0da6b53946e4f0ecb77e0481edeca95f Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sun, 21 Nov 1993 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1993-11-21

---
 port/alloc.c   | 6 +++++-
 port/chan.c    | 2 +-
 port/portdat.h | 2 ++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/port/alloc.c b/port/alloc.c
index 1ee12f448aa21943c411ccb8ca9ce9824523e8cc..ddcb1c1854e16b3b1cc146b82c11f39945544f7b 100644
--- a/port/alloc.c
+++ b/port/alloc.c
@@ -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;
 }
 
diff --git a/port/chan.c b/port/chan.c
index 3ce7e2a2db43a8b29595ffaab53483a72aa6ca89..0b18449d0fddc377e189e561a1b71e1b4c054283 100644
--- a/port/chan.c
+++ b/port/chan.c
@@ -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);
diff --git a/port/portdat.h b/port/portdat.h
index d198f4201d59ea41c7cee43803c83673bc0f3b48..00bdd34709b4e8db0ca672cc0ca7103722c24e37 100644
--- a/port/portdat.h
+++ b/port/portdat.h
@@ -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