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Subject: [PATCH 12/67] fscache: Remove obsolete stats
From:   David Howells <dhowells@redhat.com>
To:     linux-cachefs@redhat.com
Cc:     dhowells@redhat.com, Trond Myklebust <trondmy@hammerspace.com>,
        Anna Schumaker <anna.schumaker@netapp.com>,
        Steve French <sfrench@samba.org>,
        Dominique Martinet <asmadeus@codewreck.org>,
        Jeff Layton <jlayton@redhat.com>,
        Matthew Wilcox <willy@infradead.org>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Omar Sandoval <osandov@osandov.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org,
        linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org,
        v9fs-developer@lists.sourceforge.net,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Date:   Mon, 18 Oct 2021 15:54:08 +0100
Message-ID: <163456884845.2614702.5758884460753061615.stgit@warthog.procyon.org.uk>
In-Reply-To: <163456861570.2614702.14754548462706508617.stgit@warthog.procyon.org.uk>
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Precedence: bulk

Remove a bunch of now-unused fscache stats counters that were obsoleted by
the removal of the old I/O routines.

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

 fs/fscache/internal.h |   15 ---------------
 fs/fscache/stats.c    |   27 +--------------------------
 2 files changed, 1 insertion(+), 41 deletions(-)

diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index bff83b14398b..43d64f6bbf8b 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -149,9 +149,6 @@ extern void fscache_proc_cleanup(void);
  * stats.c
  */
 #ifdef CONFIG_FSCACHE_STATS
-extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS];
-extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS];
-
 extern atomic_t fscache_n_op_pend;
 extern atomic_t fscache_n_op_run;
 extern atomic_t fscache_n_op_enqueue;
@@ -162,12 +159,6 @@ extern atomic_t fscache_n_op_gc;
 extern atomic_t fscache_n_op_cancelled;
 extern atomic_t fscache_n_op_rejected;
 
-extern atomic_t fscache_n_attr_changed;
-extern atomic_t fscache_n_attr_changed_ok;
-extern atomic_t fscache_n_attr_changed_nobufs;
-extern atomic_t fscache_n_attr_changed_nomem;
-extern atomic_t fscache_n_attr_changed_calls;
-
 extern atomic_t fscache_n_retrievals;
 extern atomic_t fscache_n_retrievals_ok;
 extern atomic_t fscache_n_retrievals_wait;
@@ -205,7 +196,6 @@ extern atomic_t fscache_n_updates_run;
 
 extern atomic_t fscache_n_relinquishes;
 extern atomic_t fscache_n_relinquishes_null;
-extern atomic_t fscache_n_relinquishes_waitcrt;
 extern atomic_t fscache_n_relinquishes_retire;
 
 extern atomic_t fscache_n_cookie_index;
@@ -222,11 +212,6 @@ extern atomic_t fscache_n_object_created;
 extern atomic_t fscache_n_object_avail;
 extern atomic_t fscache_n_object_dead;
 
-extern atomic_t fscache_n_checkaux_none;
-extern atomic_t fscache_n_checkaux_okay;
-extern atomic_t fscache_n_checkaux_update;
-extern atomic_t fscache_n_checkaux_obsolete;
-
 extern atomic_t fscache_n_cop_alloc_object;
 extern atomic_t fscache_n_cop_lookup_object;
 extern atomic_t fscache_n_cop_lookup_complete;
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index 2449aa459140..cb9dd0a93e0d 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -24,12 +24,6 @@ atomic_t fscache_n_op_gc;
 atomic_t fscache_n_op_cancelled;
 atomic_t fscache_n_op_rejected;
 
-atomic_t fscache_n_attr_changed;
-atomic_t fscache_n_attr_changed_ok;
-atomic_t fscache_n_attr_changed_nobufs;
-atomic_t fscache_n_attr_changed_nomem;
-atomic_t fscache_n_attr_changed_calls;
-
 atomic_t fscache_n_retrievals;
 atomic_t fscache_n_retrievals_ok;
 atomic_t fscache_n_retrievals_wait;
@@ -67,7 +61,6 @@ atomic_t fscache_n_updates_run;
 
 atomic_t fscache_n_relinquishes;
 atomic_t fscache_n_relinquishes_null;
-atomic_t fscache_n_relinquishes_waitcrt;
 atomic_t fscache_n_relinquishes_retire;
 
 atomic_t fscache_n_cookie_index;
@@ -84,11 +77,6 @@ atomic_t fscache_n_object_created;
 atomic_t fscache_n_object_avail;
 atomic_t fscache_n_object_dead;
 
-atomic_t fscache_n_checkaux_none;
-atomic_t fscache_n_checkaux_okay;
-atomic_t fscache_n_checkaux_update;
-atomic_t fscache_n_checkaux_obsolete;
-
 atomic_t fscache_n_cop_alloc_object;
 atomic_t fscache_n_cop_lookup_object;
 atomic_t fscache_n_cop_lookup_complete;
@@ -122,11 +110,6 @@ int fscache_stats_show(struct seq_file *m, void *v)
 		   atomic_read(&fscache_n_object_no_alloc),
 		   atomic_read(&fscache_n_object_avail),
 		   atomic_read(&fscache_n_object_dead));
-	seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n",
-		   atomic_read(&fscache_n_checkaux_none),
-		   atomic_read(&fscache_n_checkaux_okay),
-		   atomic_read(&fscache_n_checkaux_update),
-		   atomic_read(&fscache_n_checkaux_obsolete));
 
 	seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u"
 		   " oom=%u\n",
@@ -153,19 +136,11 @@ int fscache_stats_show(struct seq_file *m, void *v)
 		   atomic_read(&fscache_n_updates_null),
 		   atomic_read(&fscache_n_updates_run));
 
-	seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n",
+	seq_printf(m, "Relinqs: n=%u nul=%u rtr=%u\n",
 		   atomic_read(&fscache_n_relinquishes),
 		   atomic_read(&fscache_n_relinquishes_null),
-		   atomic_read(&fscache_n_relinquishes_waitcrt),
 		   atomic_read(&fscache_n_relinquishes_retire));
 
-	seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n",
-		   atomic_read(&fscache_n_attr_changed),
-		   atomic_read(&fscache_n_attr_changed_ok),
-		   atomic_read(&fscache_n_attr_changed_nobufs),
-		   atomic_read(&fscache_n_attr_changed_nomem),
-		   atomic_read(&fscache_n_attr_changed_calls));
-
 	seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u"
 		   " int=%u oom=%u\n",
 		   atomic_read(&fscache_n_retrievals),