aboutsummaryrefslogtreecommitdiffstats
path: root/for-next/20230225_andrea_tomassetti_opensource_bcache_remove_dead_references_to_cache_readaheads.mbx
diff options
context:
space:
mode:
Diffstat (limited to 'for-next/20230225_andrea_tomassetti_opensource_bcache_remove_dead_references_to_cache_readaheads.mbx')
-rw-r--r--for-next/20230225_andrea_tomassetti_opensource_bcache_remove_dead_references_to_cache_readaheads.mbx47
1 files changed, 47 insertions, 0 deletions
diff --git a/for-next/20230225_andrea_tomassetti_opensource_bcache_remove_dead_references_to_cache_readaheads.mbx b/for-next/20230225_andrea_tomassetti_opensource_bcache_remove_dead_references_to_cache_readaheads.mbx
new file mode 100644
index 0000000..650d185
--- /dev/null
+++ b/for-next/20230225_andrea_tomassetti_opensource_bcache_remove_dead_references_to_cache_readaheads.mbx
@@ -0,0 +1,47 @@
+From git@z Thu Jan 1 00:00:00 1970
+Subject: [PATCH] bcache: Remove dead references to cache_readaheads
+From: Andrea Tomassetti <andrea.tomassetti-opensource@devo.com>
+Date: Sat, 25 Feb 2023 16:33:55 +0100
+Message-Id: <20230225153355.2779474-1-andrea.tomassetti-opensource@devo.com>
+MIME-Version: 1.0
+Content-Type: text/plain; charset="utf-8"
+Content-Transfer-Encoding: 7bit
+
+The cache_readaheads stat counter is not used anymore and should be
+removed.
+
+Signed-off-by: Andrea Tomassetti <andrea.tomassetti-opensource@devo.com>
+---
+ 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 bb5032a99234..6fdb495ac466 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 bd3afc856d53..21b445f8af15 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;
+
+--
+2.39.2
+