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| author | Edward Tomasz Napierala <trasz@FreeBSD.org> | 2018-12-15 11:32:11 +0000 |
|---|---|---|
| committer | Edward Tomasz Napierala <trasz@FreeBSD.org> | 2018-12-15 11:32:11 +0000 |
| commit | b329fb28850f9d4ba023d65beee8399cfc865c40 (patch) | |
| tree | 3aeb874eab59c804f615666655bea5185a3cd3e0 /sys/rpc/rpcsec_gss/svc_rpcsec_gss.c | |
| parent | 4849c3a57055c77aa3009f5b8cbcdc9d5ba10bd5 (diff) | |
| download | src-b329fb28850f9d4ba023d65beee8399cfc865c40.tar.gz src-b329fb28850f9d4ba023d65beee8399cfc865c40.zip | |
Add kern.rpc.gss.client_max, to make it possible to bump it easily.
This can drastically lower the load on gssd(8) on large NFS servers.
Submitted by: Per Andersson <pa at chalmers dot se>
Reviewed by: rmacklem@
MFC after: 2 weeks
Sponsored by: Chalmers University of Technology
Differential Revision: https://reviews.freebsd.org/D18393
Notes
Notes:
svn path=/head/; revision=342114
Diffstat (limited to 'sys/rpc/rpcsec_gss/svc_rpcsec_gss.c')
| -rw-r--r-- | sys/rpc/rpcsec_gss/svc_rpcsec_gss.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c b/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c index 0d7bd91a57a7..6de44ef60763 100644 --- a/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c +++ b/sys/rpc/rpcsec_gss/svc_rpcsec_gss.c @@ -171,9 +171,22 @@ struct svc_rpc_gss_cookedcred { #define CLIENT_HASH_SIZE 256 #define CLIENT_MAX 128 +u_int svc_rpc_gss_client_max = CLIENT_MAX; + +SYSCTL_NODE(_kern, OID_AUTO, rpc, CTLFLAG_RW, 0, "RPC"); +SYSCTL_NODE(_kern_rpc, OID_AUTO, gss, CTLFLAG_RW, 0, "GSS"); + +SYSCTL_UINT(_kern_rpc_gss, OID_AUTO, client_max, CTLFLAG_RW, + &svc_rpc_gss_client_max, 0, + "Max number of rpc-gss clients"); + +static u_int svc_rpc_gss_client_count; +SYSCTL_UINT(_kern_rpc_gss, OID_AUTO, client_count, CTLFLAG_RD, + &svc_rpc_gss_client_count, 0, + "Number of rpc-gss clients"); + struct svc_rpc_gss_client_list svc_rpc_gss_client_hash[CLIENT_HASH_SIZE]; struct svc_rpc_gss_client_list svc_rpc_gss_clients; -static size_t svc_rpc_gss_client_count; static uint32_t svc_rpc_gss_next_clientid = 1; static void @@ -669,7 +682,7 @@ svc_rpc_gss_timeout_clients(void) */ sx_xlock(&svc_rpc_gss_lock); client = TAILQ_LAST(&svc_rpc_gss_clients, svc_rpc_gss_client_list); - while (svc_rpc_gss_client_count > CLIENT_MAX && client != NULL) { + while (svc_rpc_gss_client_count > svc_rpc_gss_client_max && client != NULL) { svc_rpc_gss_forget_client_locked(client); sx_xunlock(&svc_rpc_gss_lock); svc_rpc_gss_release_client(client); |