NFSv4.2/pnfs: Make the layoutstats timer configurable
Allow advanced users to set the layoutstats timer in order to lengthen
or shorten the period between layoutstat transmissions to the server.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 02c27f9..d3979dd 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -528,12 +528,15 @@
nfss->pnfs_curr_ld->id == src->l_type);
}
+extern unsigned int layoutstats_timer;
+
#ifdef NFS_DEBUG
void nfs4_print_deviceid(const struct nfs4_deviceid *dev_id);
#else
static inline void nfs4_print_deviceid(const struct nfs4_deviceid *dev_id)
{
}
+
#endif /* NFS_DEBUG */
#else /* CONFIG_NFS_V4_1 */