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7b6620d7db
We had a few issues with this code, and there's still a problem around how we deal with error handling for chained/split bios. For now, just revert the code and we'll try again with a thoroug solution. This reverts commits:e15c2ffa10("block: fix O_DIRECT error handling for bio fragments")0eb6ddfb86("block: Fix __blkdev_direct_IO() for bio fragments")6a43074e2f("block: properly handle IOCB_NOWAIT for async O_DIRECT IO")893a1c9720("blk-mq: allow REQ_NOWAIT to return an error inline") 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.