print out flag values in vprint

SCCS-vsn: sys/kern/vfs_subr.c 7.23

diff --git a/usr/src/sys/kern/vfs_subr.c b/usr/src/sys/kern/vfs_subr.c
index d3469ac..0b3098c 100644 (file)
--- a/usr/src/sys/kern/vfs_subr.c
+++ b/usr/src/sys/kern/vfs_subr.c
@@ -14,7 +14,7 @@
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *

- *     @(#)vfs_subr.c  7.22 (Berkeley) %G%
+ *     @(#)vfs_subr.c  7.23 (Berkeley) %G%

  */
 
 /*
  */
 
 /*


@@ -765,10 +765,43 @@ vprint(label, vp)
        char *label;
        register struct vnode *vp;
 {
        char *label;
        register struct vnode *vp;
 {

+       char buf[64];

 
        if (label != NULL)
                printf("%s: ", label);
 
        if (label != NULL)
                printf("%s: ", label);

-       printf("type %s, usecount %d, refcount %d,\n\t", typename[vp->v_type],
+       printf("type %s, usecount %d, refcount %d,", typename[vp->v_type],

                vp->v_usecount, vp->v_holdcnt);
                vp->v_usecount, vp->v_holdcnt);

+       buf[0] = '\0';
+       if (vp->v_flag & VROOT)
+               strcat(buf, "|VROOT");
+       if (vp->v_flag & VTEXT)
+               strcat(buf, "|VTEXT");
+       if (vp->v_flag & VXLOCK)
+               strcat(buf, "|VXLOCK");
+       if (vp->v_flag & VXWANT)
+               strcat(buf, "|VXWANT");
+       if (vp->v_flag & VEXLOCK)
+               strcat(buf, "|VEXLOCK");
+       if (vp->v_flag & VSHLOCK)
+               strcat(buf, "|VSHLOCK");
+       if (vp->v_flag & VLWAIT)
+               strcat(buf, "|VLWAIT");
+       if (vp->v_flag & VALIASED)
+               strcat(buf, "|VALIASED");
+       if (vp->v_flag & VBWAIT)
+               strcat(buf, "|VBWAIT");
+       if (buf[0] != '\0')
+               printf(" flags (%s)", &buf[1]);
+       printf("\n\t");

        VOP_PRINT(vp);
 }
        VOP_PRINT(vp);
 }

+
+strcat(src, append)
+       register char *src, *append;
+{
+
+       for (; *src; ++src)
+               /* void */;
+       while (*src++ = *append++)
+               /* void */;
+}