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Do not permit the u area for nfsd or nfsiod to be swapped out.

This commit is contained in:
mycroft 1998-11-08 15:57:44 +00:00
parent ffe8316398
commit 6957bd875c
1 changed files with 13 additions and 6 deletions
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19
sys/nfs/nfs_syscalls.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_syscalls.c,v 1.32 1998/08/09 21:19:52 perry Exp $ */
/* $NetBSD: nfs_syscalls.c,v 1.33 1998/11/08 15:57:44 mycroft Exp $ */
/*
* Copyright (c) 1989, 1993
@ -486,6 +486,7 @@ nfssvc_nfsd(nsd, argp, p)
TAILQ_INSERT_TAIL(&nfsd_head, nfsd, nfsd_chain);
nfs_numnfsd++;
}
p->p_holdcnt++;
/*
* Loop getting rpc requests until SIGKILL.
*/
@ -582,8 +583,10 @@ nfssvc_nfsd(nsd, argp, p)
nfsd->nfsd_authlen) &&
!copyout(nfsd->nfsd_verfstr, nsd->nsd_verfstr,
nfsd->nfsd_verflen) &&
!copyout((caddr_t)nsd, argp, sizeof (*nsd)))
!copyout((caddr_t)nsd, argp, sizeof (*nsd))) {
p->p_holdcnt--;
return (ENEEDAUTH);
}
cacherep = RC_DROPIT;
} else
cacherep = nfsrv_getcache(nd, slp, &mreq);
@ -725,6 +728,7 @@ nfssvc_nfsd(nsd, argp, p)
}
}
done:
p->p_holdcnt--;
TAILQ_REMOVE(&nfsd_head, nfsd, nfsd_chain);
splx(s);
free((caddr_t)nfsd, M_NFSD);
@ -908,13 +912,14 @@ nfssvc_iod(p)
myiod = -1;
for (i = 0; i < NFS_MAXASYNCDAEMON; i++)
if (nfs_asyncdaemon[i] == 0) {
nfs_asyncdaemon[i]++;
myiod = i;
break;
}
if (myiod == -1)
return (EBUSY);
nfs_asyncdaemon[myiod] = 1;
nfs_numasync++;
p->p_holdcnt++;
/*
* Just loop around doin our stuff until SIGKILL
*/
@ -930,12 +935,10 @@ nfssvc_iod(p)
PWAIT | PCATCH, "nfsidl", 0);
}
if (error) {
nfs_asyncdaemon[myiod] = 0;
if (nmp)
nmp->nm_bufqiods--;
nfs_iodmount[myiod] = NULL;
nfs_numasync--;
return (error);
break;
}
while ((bp = nmp->nm_bufq.tqh_first) != NULL) {
/* Take one off the front of the list */
@ -960,6 +963,10 @@ nfssvc_iod(p)
}
}
}
p->p_holdcnt--;
nfs_asyncdaemon[myiod] = 0;
nfs_numasync--;
return (error);
}