Remove unnecessary debug printf's ("no references", "bad-id") - these

were development aids :-) and normal events.

Initialise the "hidden" blueprint mount "mnt_op" and "mnt_vfc" fields so
that a statfs() on a devfs file would not panic anymore. Fixes PR#911.

Head-scratching by: Julian and Peter
This commit is contained in:
Peter Wemm 1996-01-02 09:14:49 +00:00
parent 9f5ae2b97b
commit 689d68d9c2
2 changed files with 23 additions and 2 deletions

View File

@ -2,7 +2,7 @@
/*
* Written by Julian Elischer (julian@DIALix.oz.au)
*
* $Header: /u1/ncvs/src/sys/miscfs/devfs/devfs_tree.c,v 1.10 1995/12/08 11:17:33 julian Exp $
* $Header: /home/ncvs/src/sys/miscfs/devfs/devfs_tree.c,v 1.11 1995/12/09 09:11:01 julian Exp $
*/
#include "param.h"
@ -732,10 +732,16 @@ DBPRINT((" vntodn "));
Debugger("bad-tag ");
return(EINVAL);
}
#if 0
/*
* XXX: This is actually a "normal" case when vclean calls us without
* XXX: incrementing the reference count first.
*/
if(vn_p->v_usecount == 0)
{
printf("No references! ");
}
#endif
if((vn_p->v_type == VBAD) || (vn_p->v_type == VNON))
{
printf("bad-type2 ");
@ -762,12 +768,18 @@ DBPRINT(("dntovn "));
{
if(vn_p->v_id != dnp->vn_id)
{
#if 0
/* XXX: This is `normal'... */
printf("bad-id ");
#endif
goto skip;
}
if(vn_p->v_tag != VT_DEVFS)
{
#if 0
/* XXX: This is `normal'... */
printf("bad-tag ");
#endif
goto skip;
}
if(vn_p->v_op != *(dnp->ops))

View File

@ -1,7 +1,7 @@
/*
* Written by Julian Elischer (julian@DIALix.oz.au)
*
* $Header: /home/ncvs/src/sys/miscfs/devfs/devfs_vfsops.c,v 1.7 1995/12/14 09:52:55 phk Exp $
* $Header: /home/ncvs/src/sys/miscfs/devfs/devfs_vfsops.c,v 1.8 1995/12/14 19:04:08 bde Exp $
*
*
*/
@ -25,6 +25,15 @@ static int mountdevfs( struct mount *mp, struct proc *p);
static int
devfs_init(void)
{
/*
* fill in the missing members on the "hidden" mount
*/
dev_root->dnp->dvm->mount->mnt_op = vfssw[MOUNT_DEVFS];
dev_root->dnp->dvm->mount->mnt_vfc = vfsconf[MOUNT_DEVFS];
/* Mark a reference for the "invisible" blueprint mount */
dev_root->dnp->dvm->mount->mnt_vfc->vfc_refcount++;
printf("devfs ready to run\n");
return 0; /*XXX*/
}