linux-kernel - [PATCH 38/67] fscache: Remove more obsolete stats

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Date:   Mon, 18 Oct 2021 16:00:28 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-cachefs@...hat.com
Cc:     dhowells@...hat.com, Trond Myklebust <trondmy@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Jeff Layton <jlayton@...hat.com>,
        Matthew Wilcox <willy@...radead.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Omar Sandoval <osandov@...ndov.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-afs@...ts.infradead.org, linux-nfs@...r.kernel.org,
        linux-cifs@...r.kernel.org, ceph-devel@...r.kernel.org,
        v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 38/67] fscache: Remove more obsolete stats

Remove some more stats that have become obsolete.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/fscache/internal.h |    3 ---
 fs/fscache/stats.c    |   13 +++----------
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 1cb1effa7cba..65fb4e88f655 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -101,14 +101,11 @@ extern atomic_t fscache_n_acquires;
 extern atomic_t fscache_n_acquires_null;
 extern atomic_t fscache_n_acquires_no_cache;
 extern atomic_t fscache_n_acquires_ok;
-extern atomic_t fscache_n_acquires_nobufs;
 extern atomic_t fscache_n_acquires_oom;
 
 extern atomic_t fscache_n_invalidates;
-extern atomic_t fscache_n_invalidates_run;
 
 extern atomic_t fscache_n_relinquishes;
-extern atomic_t fscache_n_relinquishes_null;
 extern atomic_t fscache_n_relinquishes_retire;
 extern atomic_t fscache_n_relinquishes_dropped;
 
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index a16473df8be0..44b3b901e191 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -6,7 +6,6 @@
  */
 
 #define FSCACHE_DEBUG_LEVEL CACHE
-#include <linux/module.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include "internal.h"
@@ -48,17 +47,14 @@ atomic_t fscache_n_acquires;
 atomic_t fscache_n_acquires_null;
 atomic_t fscache_n_acquires_no_cache;
 atomic_t fscache_n_acquires_ok;
-atomic_t fscache_n_acquires_nobufs;
 atomic_t fscache_n_acquires_oom;
 
 atomic_t fscache_n_invalidates;
-atomic_t fscache_n_invalidates_run;
 
 atomic_t fscache_n_updates;
 EXPORT_SYMBOL(fscache_n_updates);
 
 atomic_t fscache_n_relinquishes;
-atomic_t fscache_n_relinquishes_null;
 atomic_t fscache_n_relinquishes_retire;
 atomic_t fscache_n_relinquishes_dropped;
 
@@ -83,13 +79,11 @@ int fscache_stats_show(struct seq_file *m, void *v)
 		   atomic_read(&fscache_n_volumes_nomem)
 		   );
 
-	seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u"
-		   " oom=%u\n",
+	seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u oom=%u\n",
 		   atomic_read(&fscache_n_acquires),
 		   atomic_read(&fscache_n_acquires_null),
 		   atomic_read(&fscache_n_acquires_no_cache),
 		   atomic_read(&fscache_n_acquires_ok),
-		   atomic_read(&fscache_n_acquires_nobufs),
 		   atomic_read(&fscache_n_acquires_oom));
 
 	seq_printf(m, "LRU    : n=%u exp=%u rmv=%u drp=%u at=%ld\n",
@@ -100,9 +94,8 @@ int fscache_stats_show(struct seq_file *m, void *v)
 		   timer_pending(&fscache_cookie_lru_timer) ?
 		   fscache_cookie_lru_timer.expires - jiffies : 0);
 
-	seq_printf(m, "Invals : n=%u run=%u\n",
-		   atomic_read(&fscache_n_invalidates),
-		   atomic_read(&fscache_n_invalidates_run));
+	seq_printf(m, "Invals : n=%u\n",
+		   atomic_read(&fscache_n_invalidates));
 
 	seq_printf(m, "Updates: n=%u\n",
 		   atomic_read(&fscache_n_updates));