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NFSD: Don't start lockd when only NFSv4 is running

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When starting without nfsv2 and nfsv3, nfsd does not need to start
lockd (and certainly doesn't need to fail because lockd failed to
register with the portmapper).

Reported-by: Gareth Williams <gareth@garethwilliams.me.uk>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2013-12-31 13:17:30 +08:00 committed by J. Bruce Fields
parent 7e55b59b2f
commit 8ef667140c
2 changed files with 22 additions and 5 deletions
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1
fs/nfsd/netns.h
View File

@ -95,6 +95,7 @@ struct nfsd_net {
time_t nfsd4_grace;
bool nfsd_net_up;
bool lockd_up;
/*
* Time of server startup

26
fs/nfsd/nfssvc.c
View File

@ -241,6 +241,11 @@ static void nfsd_shutdown_generic(void)
nfsd_racache_shutdown();
}
static bool nfsd_needs_lockd(void)
{
return (nfsd_versions[2] != NULL) || (nfsd_versions[3] != NULL);
}
static int nfsd_startup_net(int nrservs, struct net *net)
{
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
@ -255,9 +260,14 @@ static int nfsd_startup_net(int nrservs, struct net *net)
ret = nfsd_init_socks(net);
if (ret)
goto out_socks;
ret = lockd_up(net);
if (ret)
goto out_socks;
if (nfsd_needs_lockd() && !nn->lockd_up) {
ret = lockd_up(net);
if (ret)
goto out_socks;
nn->lockd_up = 1;
}
ret = nfs4_state_start_net(net);
if (ret)
goto out_lockd;
@ -266,7 +276,10 @@ static int nfsd_startup_net(int nrservs, struct net *net)
return 0;
out_lockd:
lockd_down(net);
if (nn->lockd_up) {
lockd_down(net);
nn->lockd_up = 0;
}
out_socks:
nfsd_shutdown_generic();
return ret;
@ -277,7 +290,10 @@ static void nfsd_shutdown_net(struct net *net)
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
nfs4_state_shutdown_net(net);
lockd_down(net);
if (nn->lockd_up) {
lockd_down(net);
nn->lockd_up = 0;
}
nn->nfsd_net_up = false;
nfsd_shutdown_generic();
}