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authorOlaf Kirch <okir@suse.de>2006-10-04 05:15:56 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 10:55:17 -0400
commit9502c52259f7038b6c1e31532e22884716a56b1a (patch)
tree234b6eef6ed6d58038d8433216e8549c9e23028e /fs/lockd/mon.c
parent5c8dd29ca7fc7483690cef4306549742d534f2a2 (diff)
[PATCH] knfsd: lockd: make the nsm upcalls use the nsm_handle
This converts the statd upcalls to use the nsm_handle This means that we only register each host once with statd, rather than registering each host/vers/protocol triple. Signed-off-by: Olaf Kirch <okir@suse.de> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/lockd/mon.c')
-rw-r--r--fs/lockd/mon.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index e27981403fbe..626b6c116a6d 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -30,7 +30,7 @@ u32 nsm_local_state;
30 * Common procedure for SM_MON/SM_UNMON calls 30 * Common procedure for SM_MON/SM_UNMON calls
31 */ 31 */
32static int 32static int
33nsm_mon_unmon(struct nlm_host *host, u32 proc, struct nsm_res *res) 33nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res)
34{ 34{
35 struct rpc_clnt *clnt; 35 struct rpc_clnt *clnt;
36 int status; 36 int status;
@@ -46,10 +46,10 @@ nsm_mon_unmon(struct nlm_host *host, u32 proc, struct nsm_res *res)
46 goto out; 46 goto out;
47 } 47 }
48 48
49 args.addr = host->h_addr.sin_addr.s_addr; 49 memset(&args, 0, sizeof(args));
50 args.proto= (host->h_proto<<1) | host->h_server; 50 args.addr = nsm->sm_addr.sin_addr.s_addr;
51 args.prog = NLM_PROGRAM; 51 args.prog = NLM_PROGRAM;
52 args.vers = host->h_version; 52 args.vers = 3;
53 args.proc = NLMPROC_NSM_NOTIFY; 53 args.proc = NLMPROC_NSM_NOTIFY;
54 memset(res, 0, sizeof(*res)); 54 memset(res, 0, sizeof(*res));
55 55
@@ -80,7 +80,7 @@ nsm_monitor(struct nlm_host *host)
80 if (nsm->sm_monitored) 80 if (nsm->sm_monitored)
81 return 0; 81 return 0;
82 82
83 status = nsm_mon_unmon(host, SM_MON, &res); 83 status = nsm_mon_unmon(nsm, SM_MON, &res);
84 84
85 if (status < 0 || res.status != 0) 85 if (status < 0 || res.status != 0)
86 printk(KERN_NOTICE "lockd: cannot monitor %s\n", host->h_name); 86 printk(KERN_NOTICE "lockd: cannot monitor %s\n", host->h_name);
@@ -99,16 +99,20 @@ nsm_unmonitor(struct nlm_host *host)
99 struct nsm_res res; 99 struct nsm_res res;
100 int status = 0; 100 int status = 0;
101 101
102 dprintk("lockd: nsm_unmonitor(%s)\n", host->h_name);
103 if (nsm == NULL) 102 if (nsm == NULL)
104 return 0; 103 return 0;
105 host->h_nsmhandle = NULL; 104 host->h_nsmhandle = NULL;
106 105
107 if (!host->h_killed) { 106 if (atomic_read(&nsm->sm_count) == 1
108 status = nsm_mon_unmon(host, SM_UNMON, &res); 107 && nsm->sm_monitored && !nsm->sm_sticky) {
108 dprintk("lockd: nsm_unmonitor(%s)\n", host->h_name);
109
110 status = nsm_mon_unmon(nsm, SM_UNMON, &res);
109 if (status < 0) 111 if (status < 0)
110 printk(KERN_NOTICE "lockd: cannot unmonitor %s\n", host->h_name); 112 printk(KERN_NOTICE "lockd: cannot unmonitor %s\n",
111 nsm->sm_monitored = 0; 113 host->h_name);
114 else
115 nsm->sm_monitored = 0;
112 } 116 }
113 nsm_release(nsm); 117 nsm_release(nsm);
114 return status; 118 return status;
@@ -171,9 +175,11 @@ xdr_encode_mon(struct rpc_rqst *rqstp, u32 *p, struct nsm_args *argp)
171 p = xdr_encode_common(rqstp, p, argp); 175 p = xdr_encode_common(rqstp, p, argp);
172 if (IS_ERR(p)) 176 if (IS_ERR(p))
173 return PTR_ERR(p); 177 return PTR_ERR(p);
178
179 /* Surprise - there may even be room for an IPv6 address now */
174 *p++ = argp->addr; 180 *p++ = argp->addr;
175 *p++ = argp->vers; 181 *p++ = 0;
176 *p++ = argp->proto; 182 *p++ = 0;
177 *p++ = 0; 183 *p++ = 0;
178 rqstp->rq_slen = xdr_adjust_iovec(rqstp->rq_svec, p); 184 rqstp->rq_slen = xdr_adjust_iovec(rqstp->rq_svec, p);
179 return 0; 185 return 0;