Author: rmacklem
Date: Wed May 4 13:36:18 2011
New Revision: 221439
URL: http://svn.freebsd.org/changeset/base/221439
Log:
Add kernel support for NFSSVC_ZEROCLTSTATS and NFSSVC_ZEROSRVSTATS
so that they can be used by nfsstat(1) to implement the "-z" option
for the new NFS subsystem.
MFC after: 2 weeks
Modified:
head/sys/fs/nfs/nfs_commonport.c
head/sys/nfs/nfssvc.h
Modified: head/sys/fs/nfs/nfs_commonport.c
==============================================================================
--- head/sys/fs/nfs/nfs_commonport.c Wed May 4 13:30:38 2011
(r221438)
+++ head/sys/fs/nfs/nfs_commonport.c Wed May 4 13:36:18 2011
(r221439)
@@ -404,6 +404,64 @@ nfssvc_call(struct thread *p, struct nfs
} else if (uap->flag & NFSSVC_GETSTATS) {
error = copyout(&newnfsstats,
CAST_USER_ADDR_T(uap->argp), sizeof (newnfsstats));
+ if (error == 0) {
+ if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) {
+ newnfsstats.attrcache_hits = 0;
+ newnfsstats.attrcache_misses = 0;
+ newnfsstats.lookupcache_hits = 0;
+ newnfsstats.lookupcache_misses = 0;
+ newnfsstats.direofcache_hits = 0;
+ newnfsstats.direofcache_misses = 0;
+ newnfsstats.accesscache_hits = 0;
+ newnfsstats.accesscache_misses = 0;
+ newnfsstats.biocache_reads = 0;
+ newnfsstats.read_bios = 0;
+ newnfsstats.read_physios = 0;
+ newnfsstats.biocache_writes = 0;
+ newnfsstats.write_bios = 0;
+ newnfsstats.write_physios = 0;
+ newnfsstats.biocache_readlinks = 0;
+ newnfsstats.readlink_bios = 0;
+ newnfsstats.biocache_readdirs = 0;
+ newnfsstats.readdir_bios = 0;
+ newnfsstats.rpcretries = 0;
+ newnfsstats.rpcrequests = 0;
+ newnfsstats.rpctimeouts = 0;
+ newnfsstats.rpcunexpected = 0;
+ newnfsstats.rpcinvalid = 0;
+ bzero(newnfsstats.rpccnt,
+ sizeof(newnfsstats.rpccnt));
+ }
+ if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) {
+ newnfsstats.srvrpc_errs = 0;
+ newnfsstats.srv_errs = 0;
+ newnfsstats.srvcache_inproghits = 0;
+ newnfsstats.srvcache_idemdonehits = 0;
+ newnfsstats.srvcache_nonidemdonehits = 0;
+ newnfsstats.srvcache_misses = 0;
+ newnfsstats.srvcache_tcppeak = 0;
+ newnfsstats.srvcache_size = 0;
+ newnfsstats.srvclients = 0;
+ newnfsstats.srvopenowners = 0;
+ newnfsstats.srvopens = 0;
+ newnfsstats.srvlockowners = 0;
+ newnfsstats.srvlocks = 0;
+ newnfsstats.srvdelegates = 0;
+ newnfsstats.clopenowners = 0;
+ newnfsstats.clopens = 0;
+ newnfsstats.cllockowners = 0;
+ newnfsstats.cllocks = 0;
+ newnfsstats.cldelegates = 0;
+ newnfsstats.cllocalopenowners = 0;
+ newnfsstats.cllocalopens = 0;
+ newnfsstats.cllocallockowners = 0;
+ newnfsstats.cllocallocks = 0;
+ bzero(newnfsstats.srvrpccnt,
+ sizeof(newnfsstats.srvrpccnt));
+ bzero(newnfsstats.cbrpccnt,
+ sizeof(newnfsstats.cbrpccnt));
+ }
+ }
return (error);
} else if (uap->flag & NFSSVC_NFSUSERDPORT) {
u_short sockport;
Modified: head/sys/nfs/nfssvc.h
==============================================================================
--- head/sys/nfs/nfssvc.h Wed May 4 13:30:38 2011 (r221438)
+++ head/sys/nfs/nfssvc.h Wed May 4 13:36:18 2011 (r221439)
@@ -64,5 +64,7 @@
#define NFSSVC_CBADDSOCK 0x00200000
#define NFSSVC_GETSTATS 0x00400000
#define NFSSVC_BACKUPSTABLE 0x00800000
+#define NFSSVC_ZEROCLTSTATS 0x01000000 /* modifier for
GETSTATS */
+#define NFSSVC_ZEROSRVSTATS 0x02000000 /* modifier for
GETSTATS */
#endif /* _NFS_NFSSVC_H */
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