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b226c9e1f4
Pull block fixes from Jens Axboe:
"A few fixes that should make it into this release. This contains:
- io_uring:
- The timeout command assumes sequence == 0 means that we want
one completion, but this kind of overloading is unfortunate as
it prevents users from doing a pure time based wait. Since
this operation was introduced in this cycle, let's correct it
now, while we can. (me)
- One-liner to fix an issue with dependent links and fixed
buffer reads. The actual IO completed fine, but the link got
severed since we stored the wrong expected value. (me)
- Add TIMEOUT to list of opcodes that don't need a file. (Pavel)
- rsxx missing workqueue destry calls. Old bug. (Chuhong)
- Fix blk-iocost active list check (Jiufei)
- Fix impossible-to-hit overflow merge condition, that still hit some
folks very rarely (Junichi)
- Fix bfq hang issue from 5.3. This didn't get marked for stable, but
will go into stable post this merge (Paolo)"
* tag 'for-linus-20191115' of git://git.kernel.dk/linux-block:
rsxx: add missed destroy_workqueue calls in remove
iocost: check active_list of all the ancestors in iocg_activate()
block, bfq: deschedule empty bfq_queues not referred by any process
io_uring: ensure registered buffer import returns the IO length
io_uring: Fix getting file for timeout
block: check bi_size overflow before merge
io_uring: make timeout sequence == 0 mean no sequence
Linux kernel
============
There are several guides for kernel developers and users. These guides can
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Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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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
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the problems which may result by upgrading your kernel.