brain damage for network disk

SCCS-vsn: sys/kern/kern_physio.c 4.38

diff --git a/usr/src/sys/kern/kern_physio.c b/usr/src/sys/kern/kern_physio.c
index 7375a2a..0d0cc7e 100644 (file)
--- a/usr/src/sys/kern/kern_physio.c
+++ b/usr/src/sys/kern/kern_physio.c
@@ -1,4 +1,4 @@
-/*     kern_physio.c   4.37    82/12/17        */
+/*     kern_physio.c   4.38    83/01/17        */

 
 #include "../machine/pte.h"
 
 
 #include "../machine/pte.h"
 


@@ -213,7 +213,7 @@ nextiov:
                uio->uio_resid -= c;
                uio->uio_offset += c;
                /* temp kludge for tape drives */
                uio->uio_resid -= c;
                uio->uio_offset += c;
                /* temp kludge for tape drives */

-               if (bp->b_resid || bp->b_flags&B_ERROR)
+               if (bp->b_resid || (bp->b_flags&B_ERROR))

                        break;
        }
        bp->b_flags &= ~(B_BUSY|B_WANTED|B_PHYS);
                        break;
        }
        bp->b_flags &= ~(B_BUSY|B_WANTED|B_PHYS);


@@ -226,12 +226,20 @@ nextiov:
        goto nextiov;
 }
 
        goto nextiov;
 }
 

+#define        MAXPHYS (63 * 1024)
+
+/* network disk brain damage */
+#include "nd.h"
+#if NND > 0
+#define        MAXPHYS (32 * 1024)
+#endif
+

 unsigned
 minphys(bp)
        struct buf *bp;
 {
 
 unsigned
 minphys(bp)
        struct buf *bp;
 {
 

-       if (bp->b_bcount > 63 * 1024)
-               bp->b_bcount = 63 * 1024;
+       if (bp->b_bcount > MAXPHYS)
+               bp->b_bcount = MAXPHYS;

 }
 
 }