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Message-ID: <158861219079.340223.17673745778234035078.stgit@warthog.procyon.org.uk>
Date: Mon, 04 May 2020 18:09:50 +0100
From: David Howells <dhowells@...hat.com>
To: Trond Myklebust <trondmy@...merspace.com>,
Anna Schumaker <anna.schumaker@...app.com>,
Steve French <sfrench@...ba.org>,
Jeff Layton <jlayton@...hat.com>
Cc: dhowells@...hat.com, Matthew Wilcox <willy@...radead.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
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: [RFC PATCH 16/61] fscache: Remove obsolete stats
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@...hat.com>
---
fs/fscache/internal.h | 61 -----------------------
fs/fscache/stats.c | 129 -------------------------------------------------
2 files changed, 1 insertion(+), 189 deletions(-)
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 20cbd1288b5a..360137fd19a7 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -166,9 +166,6 @@ 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;
@@ -179,52 +176,6 @@ 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_allocs;
-extern atomic_t fscache_n_allocs_ok;
-extern atomic_t fscache_n_allocs_wait;
-extern atomic_t fscache_n_allocs_nobufs;
-extern atomic_t fscache_n_allocs_intr;
-extern atomic_t fscache_n_allocs_object_dead;
-extern atomic_t fscache_n_alloc_ops;
-extern atomic_t fscache_n_alloc_op_waits;
-
-extern atomic_t fscache_n_retrievals;
-extern atomic_t fscache_n_retrievals_ok;
-extern atomic_t fscache_n_retrievals_wait;
-extern atomic_t fscache_n_retrievals_nodata;
-extern atomic_t fscache_n_retrievals_nobufs;
-extern atomic_t fscache_n_retrievals_intr;
-extern atomic_t fscache_n_retrievals_nomem;
-extern atomic_t fscache_n_retrievals_object_dead;
-extern atomic_t fscache_n_retrieval_ops;
-extern atomic_t fscache_n_retrieval_op_waits;
-
-extern atomic_t fscache_n_stores;
-extern atomic_t fscache_n_stores_ok;
-extern atomic_t fscache_n_stores_again;
-extern atomic_t fscache_n_stores_nobufs;
-extern atomic_t fscache_n_stores_oom;
-extern atomic_t fscache_n_store_ops;
-extern atomic_t fscache_n_store_calls;
-extern atomic_t fscache_n_store_pages;
-extern atomic_t fscache_n_store_radix_deletes;
-extern atomic_t fscache_n_store_pages_over_limit;
-
-extern atomic_t fscache_n_store_vmscan_not_storing;
-extern atomic_t fscache_n_store_vmscan_gone;
-extern atomic_t fscache_n_store_vmscan_busy;
-extern atomic_t fscache_n_store_vmscan_cancelled;
-extern atomic_t fscache_n_store_vmscan_wait;
-
-extern atomic_t fscache_n_marks;
-extern atomic_t fscache_n_uncaches;
-
extern atomic_t fscache_n_acquires;
extern atomic_t fscache_n_acquires_null;
extern atomic_t fscache_n_acquires_no_cache;
@@ -241,7 +192,6 @@ 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;
@@ -258,11 +208,6 @@ 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;
@@ -273,12 +218,6 @@ extern atomic_t fscache_n_cop_drop_object;
extern atomic_t fscache_n_cop_put_object;
extern atomic_t fscache_n_cop_sync_cache;
extern atomic_t fscache_n_cop_attr_changed;
-extern atomic_t fscache_n_cop_read_or_alloc_page;
-extern atomic_t fscache_n_cop_read_or_alloc_pages;
-extern atomic_t fscache_n_cop_allocate_page;
-extern atomic_t fscache_n_cop_allocate_pages;
-extern atomic_t fscache_n_cop_write_page;
-extern atomic_t fscache_n_cop_uncache_page;
extern atomic_t fscache_n_cache_no_space_reject;
extern atomic_t fscache_n_cache_stale_objects;
diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c
index 281022871e70..5b1cec456199 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -24,52 +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_allocs;
-atomic_t fscache_n_allocs_ok;
-atomic_t fscache_n_allocs_wait;
-atomic_t fscache_n_allocs_nobufs;
-atomic_t fscache_n_allocs_intr;
-atomic_t fscache_n_allocs_object_dead;
-atomic_t fscache_n_alloc_ops;
-atomic_t fscache_n_alloc_op_waits;
-
-atomic_t fscache_n_retrievals;
-atomic_t fscache_n_retrievals_ok;
-atomic_t fscache_n_retrievals_wait;
-atomic_t fscache_n_retrievals_nodata;
-atomic_t fscache_n_retrievals_nobufs;
-atomic_t fscache_n_retrievals_intr;
-atomic_t fscache_n_retrievals_nomem;
-atomic_t fscache_n_retrievals_object_dead;
-atomic_t fscache_n_retrieval_ops;
-atomic_t fscache_n_retrieval_op_waits;
-
-atomic_t fscache_n_stores;
-atomic_t fscache_n_stores_ok;
-atomic_t fscache_n_stores_again;
-atomic_t fscache_n_stores_nobufs;
-atomic_t fscache_n_stores_oom;
-atomic_t fscache_n_store_ops;
-atomic_t fscache_n_store_calls;
-atomic_t fscache_n_store_pages;
-atomic_t fscache_n_store_radix_deletes;
-atomic_t fscache_n_store_pages_over_limit;
-
-atomic_t fscache_n_store_vmscan_not_storing;
-atomic_t fscache_n_store_vmscan_gone;
-atomic_t fscache_n_store_vmscan_busy;
-atomic_t fscache_n_store_vmscan_cancelled;
-atomic_t fscache_n_store_vmscan_wait;
-
-atomic_t fscache_n_marks;
-atomic_t fscache_n_uncaches;
-
atomic_t fscache_n_acquires;
atomic_t fscache_n_acquires_null;
atomic_t fscache_n_acquires_no_cache;
@@ -86,7 +40,6 @@ 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;
@@ -103,11 +56,6 @@ 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;
@@ -118,12 +66,6 @@ atomic_t fscache_n_cop_drop_object;
atomic_t fscache_n_cop_put_object;
atomic_t fscache_n_cop_sync_cache;
atomic_t fscache_n_cop_attr_changed;
-atomic_t fscache_n_cop_read_or_alloc_page;
-atomic_t fscache_n_cop_read_or_alloc_pages;
-atomic_t fscache_n_cop_allocate_page;
-atomic_t fscache_n_cop_allocate_pages;
-atomic_t fscache_n_cop_write_page;
-atomic_t fscache_n_cop_uncache_page;
atomic_t fscache_n_cache_no_space_reject;
atomic_t fscache_n_cache_stale_objects;
@@ -147,15 +89,6 @@ 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, "Pages : mrk=%u unc=%u\n",
- atomic_read(&fscache_n_marks),
- atomic_read(&fscache_n_uncaches));
seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u"
" oom=%u\n",
@@ -182,64 +115,11 @@ 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, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n",
- atomic_read(&fscache_n_allocs),
- atomic_read(&fscache_n_allocs_ok),
- atomic_read(&fscache_n_allocs_wait),
- atomic_read(&fscache_n_allocs_nobufs),
- atomic_read(&fscache_n_allocs_intr));
- seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n",
- atomic_read(&fscache_n_alloc_ops),
- atomic_read(&fscache_n_alloc_op_waits),
- atomic_read(&fscache_n_allocs_object_dead));
-
- seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u"
- " int=%u oom=%u\n",
- atomic_read(&fscache_n_retrievals),
- atomic_read(&fscache_n_retrievals_ok),
- atomic_read(&fscache_n_retrievals_wait),
- atomic_read(&fscache_n_retrievals_nodata),
- atomic_read(&fscache_n_retrievals_nobufs),
- atomic_read(&fscache_n_retrievals_intr),
- atomic_read(&fscache_n_retrievals_nomem));
- seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n",
- atomic_read(&fscache_n_retrieval_ops),
- atomic_read(&fscache_n_retrieval_op_waits),
- atomic_read(&fscache_n_retrievals_object_dead));
-
- seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n",
- atomic_read(&fscache_n_stores),
- atomic_read(&fscache_n_stores_ok),
- atomic_read(&fscache_n_stores_again),
- atomic_read(&fscache_n_stores_nobufs),
- atomic_read(&fscache_n_stores_oom));
- seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n",
- atomic_read(&fscache_n_store_ops),
- atomic_read(&fscache_n_store_calls),
- atomic_read(&fscache_n_store_pages),
- atomic_read(&fscache_n_store_radix_deletes),
- atomic_read(&fscache_n_store_pages_over_limit));
-
- seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u wt=%u\n",
- atomic_read(&fscache_n_store_vmscan_not_storing),
- atomic_read(&fscache_n_store_vmscan_gone),
- atomic_read(&fscache_n_store_vmscan_busy),
- atomic_read(&fscache_n_store_vmscan_cancelled),
- atomic_read(&fscache_n_store_vmscan_wait));
-
seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n",
atomic_read(&fscache_n_op_pend),
atomic_read(&fscache_n_op_run),
@@ -264,13 +144,6 @@ int fscache_stats_show(struct seq_file *m, void *v)
atomic_read(&fscache_n_cop_put_object),
atomic_read(&fscache_n_cop_attr_changed),
atomic_read(&fscache_n_cop_sync_cache));
- seq_printf(m, "CacheOp: rap=%d ras=%d alp=%d als=%d wrp=%d ucp=%d\n",
- atomic_read(&fscache_n_cop_read_or_alloc_page),
- atomic_read(&fscache_n_cop_read_or_alloc_pages),
- atomic_read(&fscache_n_cop_allocate_page),
- atomic_read(&fscache_n_cop_allocate_pages),
- atomic_read(&fscache_n_cop_write_page),
- atomic_read(&fscache_n_cop_uncache_page));
seq_printf(m, "CacheEv: nsp=%d stl=%d rtr=%d cul=%d\n",
atomic_read(&fscache_n_cache_no_space_reject),
atomic_read(&fscache_n_cache_stale_objects),
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