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Message-ID: <163551668761.1877519.6594360917661719152.stgit@warthog.procyon.org.uk>
Date: Fri, 29 Oct 2021 15:11:27 +0100
From: David Howells <dhowells@...hat.com>
To: Trond Myklebust <trondmy@...merspace.com>,
Anna Schumaker <anna.schumaker@...app.com>,
Steve French <sfrench@...ba.org>,
Dominique Martinet <asmadeus@...ewreck.org>
Cc: linux-cachefs@...hat.com, dhowells@...hat.com,
Jeff Layton <jlayton@...hat.com>,
Matthew Wilcox <willy@...radead.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Linus Torvalds <torvalds@...ux-foundation.org>,
linux-cachefs@...hat.com, 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 v4 09/10] fscache: Remove stats that are no longer used
Remove stats counters that are no longer used and remove their display from
/proc/fs/fscache/stats.
Signed-off-by: David Howells <dhowells@...hat.com>
cc: linux-cachefs@...hat.com
Link: https://lore.kernel.org/r/163162776915.438332.16744135153328311006.stgit@warthog.procyon.org.uk/ # rfc
Link: https://lore.kernel.org/r/163189114616.2509237.9890995143218948138.stgit@warthog.procyon.org.uk/ # rfc v2
---
fs/fscache/internal.h | 28 ----------------------
fs/fscache/stats.c | 63 +------------------------------------------------
2 files changed, 1 insertion(+), 90 deletions(-)
diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 5281fa1894cd..6eb3f51d7275 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -151,15 +151,6 @@ 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;
@@ -178,22 +169,9 @@ extern atomic_t fscache_n_stores_nobufs;
extern atomic_t fscache_n_stores_intr;
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_stores_object_dead;
extern atomic_t fscache_n_store_op_waits;
-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;
@@ -242,12 +220,6 @@ 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 4cefce5bf4cd..2449aa459140 100644
--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -30,15 +30,6 @@ 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;
@@ -57,22 +48,9 @@ atomic_t fscache_n_stores_nobufs;
atomic_t fscache_n_stores_intr;
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_stores_object_dead;
atomic_t fscache_n_store_op_waits;
-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;
@@ -121,12 +99,6 @@ 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;
@@ -156,10 +128,6 @@ int fscache_stats_show(struct seq_file *m, void *v)
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",
atomic_read(&fscache_n_acquires),
@@ -198,17 +166,6 @@ int fscache_stats_show(struct seq_file *m, void *v)
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),
@@ -230,22 +187,11 @@ int fscache_stats_show(struct seq_file *m, void *v)
atomic_read(&fscache_n_stores_nobufs),
atomic_read(&fscache_n_stores_intr),
atomic_read(&fscache_n_stores_oom));
- seq_printf(m, "Stores : ops=%u owt=%u run=%u pgs=%u rxd=%u olm=%u abt=%u\n",
+ seq_printf(m, "Stores : ops=%u owt=%u abt=%u\n",
atomic_read(&fscache_n_store_ops),
atomic_read(&fscache_n_store_op_waits),
- 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),
atomic_read(&fscache_n_stores_object_dead));
- 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),
@@ -270,13 +216,6 @@ 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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