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authorColy Li <colyli@suse.de>2020-10-01 08:50:46 +0200
committerJens Axboe <axboe@kernel.dk>2020-10-02 22:25:29 +0200
commit697e23495c94f0380c1ed8b11f830b92b64c99ea (patch)
treec422d72b305cd9302bc631db4b3bb2bc6cbf7e9c /block/bfq-iosched.c
parentbcache: remove 'int n' from parameter list of bch_bucket_alloc_set() (diff)
downloadlinux-697e23495c94f0380c1ed8b11f830b92b64c99ea.tar.xz
linux-697e23495c94f0380c1ed8b11f830b92b64c99ea.zip
bcache: explicitly make cache_set only have single cache
Currently although the bcache code has a framework for multiple caches in a cache set, but indeed the multiple caches never completed and users use md raid1 for multiple copies of the cached data. This patch does the following change in struct cache_set, to explicitly make a cache_set only have single cache, - Change pointer array "*cache[MAX_CACHES_PER_SET]" to a single pointer "*cache". - Remove pointer array "*cache_by_alloc[MAX_CACHES_PER_SET]". - Remove "caches_loaded". Now the code looks as exactly what it does in practic: only one cache is used in the cache set. Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bfq-iosched.c')
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