Commit 8b330f78 authored by Chuck Lever's avatar Chuck Lever
Browse files

NFSD: Zero counters when the filecache is re-initialized 



If nfsd_file_cache_init() is called after a shutdown, be sure the
stat counters are reset.

Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
parent df2aff52

fs/nfsd/filecache.c

+11 −0
Original line number Diff line number Diff line
@@ -824,6 +824,8 @@ nfsd_file_cache_shutdown_net(struct net *net) 
void

nfsd_file_cache_shutdown(void)

{

	int i;



	set_bit(NFSD_FILE_SHUTDOWN, &nfsd_file_lru_flags);



	lease_unregister_notifier(&nfsd_file_lease_notifier);
@@ -847,6 +849,15 @@ nfsd_file_cache_shutdown(void) 
	nfsd_file_hashtbl = NULL;

	destroy_workqueue(nfsd_filecache_wq);

	nfsd_filecache_wq = NULL;



	for_each_possible_cpu(i) {

		per_cpu(nfsd_file_cache_hits, i) = 0;

		per_cpu(nfsd_file_acquisitions, i) = 0;

		per_cpu(nfsd_file_releases, i) = 0;

		per_cpu(nfsd_file_total_age, i) = 0;

		per_cpu(nfsd_file_pages_flushed, i) = 0;

		per_cpu(nfsd_file_evictions, i) = 0;

	}

}



static bool