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bcache: Remove dead references to cache_readaheads

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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>
This commit is contained in:
Andrea Tomassetti 2023-06-15 20:12:20 +08:00 committed by Jens Axboe
parent b98dd0b0a5
commit ccb8c3bd6d
2 changed files with 0 additions and 4 deletions
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3
Documentation/admin-guide/bcache.rst
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@ -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
~~~~~~~~~~~~~~~~~

1
drivers/md/bcache/stats.h
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@ -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;