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9af177ee3e
Most of the logic in io_read() deals with regular files, and in some ways it would make sense to split the handling into S_IFREG and others. But at least for retry, we don't need to bother setting up a bunch of state just to abort in the loop later. In particular, don't bother forcing setup of async data for a normal non-vectored read when we don't need it. 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.