get rid of swapbuf macro

SCCS-vsn: sys/sys/buf.h 6.4

diff --git a/usr/src/sys/sys/buf.h b/usr/src/sys/sys/buf.h
index 7b6d6be..922a59d 100644 (file)
--- a/usr/src/sys/sys/buf.h
+++ b/usr/src/sys/sys/buf.h
@@ -1,4 +1,4 @@
-/*     buf.h   6.3     84/12/03        */
+/*     buf.h   6.4     85/01/10        */

 
 /*
  * The header for buffers in the buffer pool and otherwise used
 
 /*
  * The header for buffers in the buffer pool and otherwise used


@@ -177,18 +177,3 @@ unsigned minphys();
        blkclr(bp->b_un.b_addr, bp->b_bcount); \
        bp->b_resid = 0; \
 }
        blkclr(bp->b_un.b_addr, bp->b_bcount); \
        bp->b_resid = 0; \
 }

-
-/*
- * Swap two buffer's data areas
- */
-#define swapbuf(bp1, bp2) { \
-       long bcount = (bp1)->b_bcount; \
-       long bufsize = (bp1)->b_bufsize; \
-       caddr_t addr = (bp1)->b_un.b_addr; \
-       (bp1)->b_bcount = (bp2)->b_bcount; \
-       (bp1)->b_bufsize = (bp2)->b_bufsize; \
-       (bp1)->b_un.b_addr = (bp2)->b_un.b_addr; \
-       (bp2)->b_bcount = bcount; \
-       (bp2)->b_bufsize = bufsize; \
-       (bp2)->b_un.b_addr = addr; \
-}