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47db9b9a6e
Pull block fixes from Jens Axboe: "A few fixes/changes to round off this merge window. This contains: - Small series making some functional tweaks to blk-iocost (Tejun) - Elevator switch locking fix (Ming) - Kill redundant call in blk-wbt (Yufen) - Fix flush timeout handling (Yufen)" * tag 'for-linus-2019-09-27' of git://git.kernel.dk/linux-block: block: fix null pointer dereference in blk_mq_rq_timed_out() rq-qos: get rid of redundant wbt_update_limits() iocost: bump up default latency targets for hard disks iocost: improve nr_lagging handling iocost: better trace vrate changes block: don't release queue's sysfs lock during switching elevator blk-mq: move lockdep_assert_held() into elevator_exit
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.