From 904940e94a887701db24401e3ed6928a1d4e329f Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Fri, 8 Jul 2022 14:24:12 -0400 Subject: NFSD: Report average age of filecache items This is a measure of how long items stay in the filecache, to help assess how efficient the cache is. Reviewed-by: Jeff Layton Signed-off-by: Chuck Lever --- fs/nfsd/filecache.h | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/nfsd/filecache.h') diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h index c9e3c6eb4776..c6ad5fe47f12 100644 --- a/fs/nfsd/filecache.h +++ b/fs/nfsd/filecache.h @@ -44,6 +44,7 @@ struct nfsd_file { refcount_t nf_ref; unsigned char nf_may; struct nfsd_file_mark *nf_mark; + ktime_t nf_birthtime; }; int nfsd_file_cache_init(void); -- cgit v1.2.3