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authorChuck Lever <chuck.lever@oracle.com>2022-07-08 14:24:51 -0400
committerChuck Lever <chuck.lever@oracle.com>2022-07-29 20:10:07 -0400
commit8b330f78040cbe16cf8029df70391b2a491f17e2 (patch)
tree7117af9cab201f660177340fb1ecf86dd323af14 /fs/nfsd/filecache.c
parentdf2aff524faceaf743b7c5ab0f4fb86cb511f782 (diff)
downloadlinux-8b330f78040cbe16cf8029df70391b2a491f17e2.tar.bz2
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: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/filecache.c')
-rw-r--r--fs/nfsd/filecache.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 1b5252895625..777698a2e5a6 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -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