bcache queue limit cleanups

To: Coly Li <colyli@xxxxxxx>, Kent Overstreet <kent.overstreet@xxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>
Subject: bcache queue limit cleanups
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 26 Feb 2024 11:48:25 +0100
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Hi all,

this patch against Jens' for-6.9/block tree gets rid of the last
queue limit update in bcache by calculation the io_opt ahead of
time.

Follow-Ups:
- Re: bcache queue limit cleanups
  - From: Christoph Hellwig
- [PATCH] bcache: move calculation of stripe_size and io_opt into bcache_device_init
  - From: Christoph Hellwig