diff options
Diffstat (limited to 'fs/nfsd/nfssvc.c')
| -rw-r--r-- | fs/nfsd/nfssvc.c | 49 |
1 files changed, 32 insertions, 17 deletions
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 262df5ccbf5..1879e43f286 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -116,7 +116,10 @@ struct svc_program nfsd_program = { }; -u32 nfsd_supported_minorversion; +static bool nfsd_supported_minorversions[NFSD_SUPPORTED_MINOR_VERSION + 1] = { + [0] = 1, + [1] = 1, +}; int nfsd_vers(int vers, enum vers_op change) { @@ -151,15 +154,13 @@ int nfsd_minorversion(u32 minorversion, enum vers_op change) return -1; switch(change) { case NFSD_SET: - nfsd_supported_minorversion = minorversion; + nfsd_supported_minorversions[minorversion] = true; break; case NFSD_CLEAR: - if (minorversion == 0) - return -1; - nfsd_supported_minorversion = minorversion - 1; + nfsd_supported_minorversions[minorversion] = false; break; case NFSD_TEST: - return minorversion <= nfsd_supported_minorversion; + return nfsd_supported_minorversions[minorversion]; case NFSD_AVAIL: return minorversion <= NFSD_SUPPORTED_MINOR_VERSION; } @@ -240,6 +241,15 @@ static void nfsd_shutdown_generic(void) nfsd_racache_shutdown(); } +static bool nfsd_needs_lockd(void) +{ +#if defined(CONFIG_NFSD_V3) + return (nfsd_versions[2] != NULL) || (nfsd_versions[3] != NULL); +#else + return (nfsd_versions[2] != NULL); +#endif +} + static int nfsd_startup_net(int nrservs, struct net *net) { struct nfsd_net *nn = net_generic(net, nfsd_net_id); @@ -254,9 +264,14 @@ 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; @@ -265,7 +280,10 @@ 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; @@ -276,7 +294,10 @@ 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(); } @@ -570,12 +591,6 @@ nfsd(void *vrqstp) nfsdstats.th_cnt++; mutex_unlock(&nfsd_mutex); - /* - * We want less throttling in balance_dirty_pages() so that nfs to - * localhost doesn't cause nfsd to lock up due to all the client's - * dirty pages. - */ - current->flags |= PF_LESS_THROTTLE; set_freezable(); /* |