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-rw-r--r--sys/nfs/nfs_syscalls.c326
1 files changed, 162 insertions, 164 deletions
diff --git a/sys/nfs/nfs_syscalls.c b/sys/nfs/nfs_syscalls.c
index 317b1c0..94f33e2 100644
--- a/sys/nfs/nfs_syscalls.c
+++ b/sys/nfs/nfs_syscalls.c
@@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_syscalls.c 8.5 (Berkeley) 3/30/95
- * $Id: nfs_syscalls.c,v 1.37 1998/03/30 09:54:17 phk Exp $
+ * $Id: nfs_syscalls.c,v 1.38 1998/05/19 07:11:25 peter Exp $
*/
#include <sys/param.h>
@@ -252,8 +252,9 @@ nfssvc(p, uap)
error = copyin(uap->argp, (caddr_t)nsd, sizeof (*nsd));
if (error)
return (error);
- if ((uap->flag & NFSSVC_AUTHIN) && ((nfsd = nsd->nsd_nfsd)) &&
- (nfsd->nfsd_slp->ns_flag & SLP_VALID)) {
+ if ((uap->flag & NFSSVC_AUTHIN) &&
+ ((nfsd = nsd->nsd_nfsd)) != NULL &&
+ (nfsd->nfsd_slp->ns_flag & SLP_VALID)) {
slp = nfsd->nfsd_slp;
/*
@@ -465,11 +466,10 @@ nfssvc_nfsd(nsd, argp, p)
writes_todo = 0;
#endif
if (nfsd == (struct nfsd *)0) {
- nfsd = (struct nfsd *)
+ nsd->nsd_nfsd = nfsd = (struct nfsd *)
malloc(sizeof (struct nfsd), M_NFSD, M_WAITOK);
bzero((caddr_t)nfsd, sizeof (struct nfsd));
s = splnet();
- nsd->nsd_nfsd = nfsd;
nfsd->nfsd_procp = p;
TAILQ_INSERT_TAIL(&nfsd_head, nfsd, nfsd_chain);
nfs_numnfsd++;
@@ -746,6 +746,161 @@ done:
nfsrv_init(TRUE); /* Reinitialize everything */
return (error);
}
+
+/*
+ * Shut down a socket associated with an nfssvc_sock structure.
+ * Should be called with the send lock set, if required.
+ * The trick here is to increment the sref at the start, so that the nfsds
+ * will stop using it and clear ns_flag at the end so that it will not be
+ * reassigned during cleanup.
+ */
+static void
+nfsrv_zapsock(slp)
+ register struct nfssvc_sock *slp;
+{
+ register struct nfsuid *nuidp, *nnuidp;
+ register struct nfsrv_descript *nwp, *nnwp;
+ struct socket *so;
+ struct file *fp;
+ struct nfsrv_rec *rec;
+ int s;
+
+ slp->ns_flag &= ~SLP_ALLFLAGS;
+ fp = slp->ns_fp;
+ if (fp) {
+ slp->ns_fp = (struct file *)0;
+ so = slp->ns_so;
+ so->so_upcall = NULL;
+ soshutdown(so, 2);
+ closef(fp, (struct proc *)0);
+ if (slp->ns_nam)
+ FREE(slp->ns_nam, M_SONAME);
+ m_freem(slp->ns_raw);
+ while (rec = STAILQ_FIRST(&slp->ns_rec)) {
+ STAILQ_REMOVE_HEAD(&slp->ns_rec, nr_link);
+ if (rec->nr_address)
+ FREE(rec->nr_address, M_SONAME);
+ m_freem(rec->nr_packet);
+ free(rec, M_NFSRVDESC);
+ }
+ for (nuidp = slp->ns_uidlruhead.tqh_first; nuidp != 0;
+ nuidp = nnuidp) {
+ nnuidp = nuidp->nu_lru.tqe_next;
+ LIST_REMOVE(nuidp, nu_hash);
+ TAILQ_REMOVE(&slp->ns_uidlruhead, nuidp, nu_lru);
+ if (nuidp->nu_flag & NU_NAM)
+ FREE(nuidp->nu_nam, M_SONAME);
+ free((caddr_t)nuidp, M_NFSUID);
+ }
+ s = splsoftclock();
+ for (nwp = slp->ns_tq.lh_first; nwp; nwp = nnwp) {
+ nnwp = nwp->nd_tq.le_next;
+ LIST_REMOVE(nwp, nd_tq);
+ free((caddr_t)nwp, M_NFSRVDESC);
+ }
+ LIST_INIT(&slp->ns_tq);
+ splx(s);
+ }
+}
+
+/*
+ * Derefence a server socket structure. If it has no more references and
+ * is no longer valid, you can throw it away.
+ */
+void
+nfsrv_slpderef(slp)
+ register struct nfssvc_sock *slp;
+{
+ if (--(slp->ns_sref) == 0 && (slp->ns_flag & SLP_VALID) == 0) {
+ TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain);
+ free((caddr_t)slp, M_NFSSVC);
+ }
+}
+
+/*
+ * Initialize the data structures for the server.
+ * Handshake with any new nfsds starting up to avoid any chance of
+ * corruption.
+ */
+void
+nfsrv_init(terminating)
+ int terminating;
+{
+ register struct nfssvc_sock *slp, *nslp;
+
+ if (nfssvc_sockhead_flag & SLP_INIT)
+ panic("nfsd init");
+ nfssvc_sockhead_flag |= SLP_INIT;
+ if (terminating) {
+ for (slp = nfssvc_sockhead.tqh_first; slp != 0; slp = nslp) {
+ nslp = slp->ns_chain.tqe_next;
+ if (slp->ns_flag & SLP_VALID)
+ nfsrv_zapsock(slp);
+ TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain);
+ free((caddr_t)slp, M_NFSSVC);
+ }
+ nfsrv_cleancache(); /* And clear out server cache */
+ } else
+ nfs_pub.np_valid = 0;
+
+ TAILQ_INIT(&nfssvc_sockhead);
+ nfssvc_sockhead_flag &= ~SLP_INIT;
+ if (nfssvc_sockhead_flag & SLP_WANTINIT) {
+ nfssvc_sockhead_flag &= ~SLP_WANTINIT;
+ wakeup((caddr_t)&nfssvc_sockhead);
+ }
+
+ TAILQ_INIT(&nfsd_head);
+ nfsd_head_flag &= ~NFSD_CHECKSLP;
+
+ nfs_udpsock = (struct nfssvc_sock *)
+ malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK);
+ bzero((caddr_t)nfs_udpsock, sizeof (struct nfssvc_sock));
+ STAILQ_INIT(&nfs_udpsock->ns_rec);
+ TAILQ_INIT(&nfs_udpsock->ns_uidlruhead);
+ TAILQ_INSERT_HEAD(&nfssvc_sockhead, nfs_udpsock, ns_chain);
+
+ nfs_cltpsock = (struct nfssvc_sock *)
+ malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK);
+ bzero((caddr_t)nfs_cltpsock, sizeof (struct nfssvc_sock));
+ STAILQ_INIT(&nfs_cltpsock->ns_rec);
+ TAILQ_INIT(&nfs_cltpsock->ns_uidlruhead);
+ TAILQ_INSERT_TAIL(&nfssvc_sockhead, nfs_cltpsock, ns_chain);
+}
+
+/*
+ * Add entries to the server monitor log.
+ */
+static void
+nfsd_rt(sotype, nd, cacherep)
+ int sotype;
+ register struct nfsrv_descript *nd;
+ int cacherep;
+{
+ register struct drt *rt;
+
+ rt = &nfsdrt.drt[nfsdrt.pos];
+ if (cacherep == RC_DOIT)
+ rt->flag = 0;
+ else if (cacherep == RC_REPLY)
+ rt->flag = DRT_CACHEREPLY;
+ else
+ rt->flag = DRT_CACHEDROP;
+ if (sotype == SOCK_STREAM)
+ rt->flag |= DRT_TCP;
+ if (nd->nd_flag & ND_NQNFS)
+ rt->flag |= DRT_NQNFS;
+ else if (nd->nd_flag & ND_NFSV3)
+ rt->flag |= DRT_NFSV3;
+ rt->proc = nd->nd_procnum;
+ if (nd->nd_nam->sa_family == AF_INET)
+ rt->ipadr = ((struct sockaddr_in *)nd->nd_nam)->sin_addr.s_addr;
+ else
+ rt->ipadr = INADDR_ANY;
+ rt->resptime = nfs_curusec() - (nd->nd_starttime.tv_sec * 1000000 + nd->nd_starttime.tv_usec);
+ getmicrotime(&rt->tstamp);
+ nfsdrt.pos = (nfsdrt.pos + 1) % NFSRTTLOGSIZ;
+}
#endif /* NFS_NOSERVER */
static int nfs_defect = 0;
@@ -794,7 +949,8 @@ nfssvc_iod(p)
}
if (error) {
nfs_asyncdaemon[myiod] = 0;
- if (nmp) nmp->nm_bufqiods--;
+ if (nmp)
+ nmp->nm_bufqiods--;
nfs_iodwant[myiod] = NULL;
nfs_iodmount[myiod] = NULL;
nfs_numasync--;
@@ -812,7 +968,6 @@ nfssvc_iod(p)
(void) nfs_doio(bp, bp->b_rcred, (struct proc *)0);
else
(void) nfs_doio(bp, bp->b_wcred, (struct proc *)0);
-
/*
* If there are more than one iod on this mount, then defect
* so that the iods can be shared out fairly between the mounts
@@ -829,61 +984,6 @@ nfssvc_iod(p)
}
}
-/*
- * Shut down a socket associated with an nfssvc_sock structure.
- * Should be called with the send lock set, if required.
- * The trick here is to increment the sref at the start, so that the nfsds
- * will stop using it and clear ns_flag at the end so that it will not be
- * reassigned during cleanup.
- */
-static void
-nfsrv_zapsock(slp)
- register struct nfssvc_sock *slp;
-{
- register struct nfsuid *nuidp, *nnuidp;
- register struct nfsrv_descript *nwp, *nnwp;
- struct socket *so;
- struct file *fp;
- struct nfsrv_rec *rec;
- int s;
-
- slp->ns_flag &= ~SLP_ALLFLAGS;
- fp = slp->ns_fp;
- if (fp) {
- slp->ns_fp = (struct file *)0;
- so = slp->ns_so;
- so->so_upcall = NULL;
- soshutdown(so, 2);
- closef(fp, (struct proc *)0);
- if (slp->ns_nam)
- FREE(slp->ns_nam, M_SONAME);
- m_freem(slp->ns_raw);
- while (rec = STAILQ_FIRST(&slp->ns_rec)) {
- STAILQ_REMOVE_HEAD(&slp->ns_rec, nr_link);
- if (rec->nr_address)
- FREE(rec->nr_address, M_SONAME);
- m_freem(rec->nr_packet);
- free(rec, M_NFSRVDESC);
- }
- for (nuidp = slp->ns_uidlruhead.tqh_first; nuidp != 0;
- nuidp = nnuidp) {
- nnuidp = nuidp->nu_lru.tqe_next;
- LIST_REMOVE(nuidp, nu_hash);
- TAILQ_REMOVE(&slp->ns_uidlruhead, nuidp, nu_lru);
- if (nuidp->nu_flag & NU_NAM)
- FREE(nuidp->nu_nam, M_SONAME);
- free((caddr_t)nuidp, M_NFSUID);
- }
- s = splsoftclock();
- for (nwp = slp->ns_tq.lh_first; nwp; nwp = nnwp) {
- nnwp = nwp->nd_tq.le_next;
- LIST_REMOVE(nwp, nd_tq);
- free((caddr_t)nwp, M_NFSRVDESC);
- }
- LIST_INIT(&slp->ns_tq);
- splx(s);
- }
-}
/*
* Get an authorization string for the uid by having the mount_nfs sitting
@@ -1088,105 +1188,3 @@ nfsmout:
*dposp = dpos;
return (error);
}
-
-#ifndef NFS_NOSERVER
-
-/*
- * Derefence a server socket structure. If it has no more references and
- * is no longer valid, you can throw it away.
- */
-void
-nfsrv_slpderef(slp)
- register struct nfssvc_sock *slp;
-{
- if (--(slp->ns_sref) == 0 && (slp->ns_flag & SLP_VALID) == 0) {
- TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain);
- free((caddr_t)slp, M_NFSSVC);
- }
-}
-
-/*
- * Initialize the data structures for the server.
- * Handshake with any new nfsds starting up to avoid any chance of
- * corruption.
- */
-void
-nfsrv_init(terminating)
- int terminating;
-{
- register struct nfssvc_sock *slp, *nslp;
-
- if (nfssvc_sockhead_flag & SLP_INIT)
- panic("nfsd init");
- nfssvc_sockhead_flag |= SLP_INIT;
- if (terminating) {
- for (slp = nfssvc_sockhead.tqh_first; slp != 0; slp = nslp) {
- nslp = slp->ns_chain.tqe_next;
- if (slp->ns_flag & SLP_VALID)
- nfsrv_zapsock(slp);
- TAILQ_REMOVE(&nfssvc_sockhead, slp, ns_chain);
- free((caddr_t)slp, M_NFSSVC);
- }
- nfsrv_cleancache(); /* And clear out server cache */
- } else
- nfs_pub.np_valid = 0;
-
- TAILQ_INIT(&nfssvc_sockhead);
- nfssvc_sockhead_flag &= ~SLP_INIT;
- if (nfssvc_sockhead_flag & SLP_WANTINIT) {
- nfssvc_sockhead_flag &= ~SLP_WANTINIT;
- wakeup((caddr_t)&nfssvc_sockhead);
- }
-
- TAILQ_INIT(&nfsd_head);
- nfsd_head_flag &= ~NFSD_CHECKSLP;
-
- nfs_udpsock = (struct nfssvc_sock *)
- malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK);
- bzero((caddr_t)nfs_udpsock, sizeof (struct nfssvc_sock));
- STAILQ_INIT(&nfs_udpsock->ns_rec);
- TAILQ_INIT(&nfs_udpsock->ns_uidlruhead);
- TAILQ_INSERT_HEAD(&nfssvc_sockhead, nfs_udpsock, ns_chain);
-
- nfs_cltpsock = (struct nfssvc_sock *)
- malloc(sizeof (struct nfssvc_sock), M_NFSSVC, M_WAITOK);
- bzero((caddr_t)nfs_cltpsock, sizeof (struct nfssvc_sock));
- STAILQ_INIT(&nfs_cltpsock->ns_rec);
- TAILQ_INIT(&nfs_cltpsock->ns_uidlruhead);
- TAILQ_INSERT_TAIL(&nfssvc_sockhead, nfs_cltpsock, ns_chain);
-}
-
-/*
- * Add entries to the server monitor log.
- */
-static void
-nfsd_rt(sotype, nd, cacherep)
- int sotype;
- register struct nfsrv_descript *nd;
- int cacherep;
-{
- register struct drt *rt;
-
- rt = &nfsdrt.drt[nfsdrt.pos];
- if (cacherep == RC_DOIT)
- rt->flag = 0;
- else if (cacherep == RC_REPLY)
- rt->flag = DRT_CACHEREPLY;
- else
- rt->flag = DRT_CACHEDROP;
- if (sotype == SOCK_STREAM)
- rt->flag |= DRT_TCP;
- if (nd->nd_flag & ND_NQNFS)
- rt->flag |= DRT_NQNFS;
- else if (nd->nd_flag & ND_NFSV3)
- rt->flag |= DRT_NFSV3;
- rt->proc = nd->nd_procnum;
- if (nd->nd_nam->sa_family == AF_INET)
- rt->ipadr = ((struct sockaddr_in *)nd->nd_nam)->sin_addr.s_addr;
- else
- rt->ipadr = INADDR_ANY;
- rt->resptime = nfs_curusec() - (nd->nd_starttime.tv_sec * 1000000 + nd->nd_starttime.tv_usec);
- getmicrotime(&rt->tstamp);
- nfsdrt.pos = (nfsdrt.pos + 1) % NFSRTTLOGSIZ;
-}
-#endif /* NFS_NOSERVER */
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