Author: rmacklem
Date: Sun May 1 22:19:52 2011
New Revision: 221306
URL: http://svn.freebsd.org/changeset/base/221306
Log:
Add the kernel support needed to zero out the nfsstats
structure for the new NFS subsystem. This will be used
by nfsstats.c to implement the "-z" option.
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 Sun May 1 20:46:37 2011
(r221305)
+++ head/sys/fs/nfs/nfs_commonport.c Sun May 1 22:19:52 2011
(r221306)
@@ -404,6 +404,8 @@ 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 ((uap->flag & NFSSVC_ZEROSTATS) != 0 && error == 0)
+ bzero(&newnfsstats, sizeof(newnfsstats));
return (error);
} else if (uap->flag & NFSSVC_NFSUSERDPORT) {
u_short sockport;
Modified: head/sys/nfs/nfssvc.h
==============================================================================
--- head/sys/nfs/nfssvc.h Sun May 1 20:46:37 2011 (r221305)
+++ head/sys/nfs/nfssvc.h Sun May 1 22:19:52 2011 (r221306)
@@ -64,5 +64,6 @@
#define NFSSVC_CBADDSOCK 0x00200000
#define NFSSVC_GETSTATS 0x00400000
#define NFSSVC_BACKUPSTABLE 0x00800000
+#define NFSSVC_ZEROSTATS 0x01000000 /* modifier for
GETSTATS */
#endif /* _NFS_NFSSVC_H */
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