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The commit513616843d("block: remove superfluous calls to blkcg_bio_issue_init") has removed blkcg_bio_issue_init from __bio_clone since submit_bio will override ->bi_issue. However, __blk_queue_split is called after blkcg_bio_issue_init (see blk_mq_submit_bio) in submit_bio. In this case, the ->bi_issue is 0. Fix it. Fixes:513616843d("block: remove superfluous calls to blkcg_bio_issue_init") Signed-off-by: Muchun Song <songmuchun@bytedance.com> Link: https://lore.kernel.org/r/20220713140226.68135-1-songmuchun@bytedance.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.