From ccb8c3bd6d93e7986b702d1f66d5d56d08abc59f Mon Sep 17 00:00:00 2001
From: Andrea Tomassetti <andrea.tomassetti-opensource@devo.com>
Date: Thu, 15 Jun 2023 20:12:20 +0800
Subject: [PATCH] bcache: Remove dead references to cache_readaheads
The cache_readaheads stat counter is not used anymore and should be
removed.
Signed-off-by: Andrea Tomassetti <andrea.tomassetti-opensource@devo.com>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20230615121223.22502-4-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
Documentation/admin-guide/bcache.rst | 3 ---
drivers/md/bcache/stats.h | 1 -
2 files changed, 4 deletions(-)
diff --git a/Documentation/admin-guide/bcache.rst b/Documentation/admin-guide/bcache.rst
index bb5032a992347..6fdb495ac4665 100644
--- a/Documentation/admin-guide/bcache.rst
+++ b/Documentation/admin-guide/bcache.rst
@@ -508,9 +508,6 @@ cache_miss_collisions
cache miss, but raced with a write and data was already present (usually 0
since the synchronization for cache misses was rewritten)
-cache_readaheads
- Count of times readahead occurred.
-
Sysfs - cache set
~~~~~~~~~~~~~~~~~
diff --git a/drivers/md/bcache/stats.h b/drivers/md/bcache/stats.h
index bd3afc856d534..21b445f8af158 100644
--- a/drivers/md/bcache/stats.h
+++ b/drivers/md/bcache/stats.h
@@ -18,7 +18,6 @@ struct cache_stats {
unsigned long cache_misses;
unsigned long cache_bypass_hits;
unsigned long cache_bypass_misses;
- unsigned long cache_readaheads;
unsigned long cache_miss_collisions;
unsigned long sectors_bypassed;
--
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