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Jens Axboe b08e020450 io_uring/rw: don't gate retry on completion context
nvme multipath reports that they see spurious -EAGAIN bubbling back to
userspace, which is caused by how they handle retries internally through
a kworker. However, any data that needs preserving or importing for
a read/write request has always been done so at prep time, and we can
sanely skip this check.

Reported-by: "Haeuptle, Michael" <michael.haeuptle@hpe.com>
Link: https://lore.kernel.org/io-uring/DS7PR84MB31105C2C63CFA47BE8CBD6EE95102@DS7PR84MB3110.NAMPRD84.PROD.OUTLOOK.COM/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
History 2025-01-10 07:51:48 -07:00
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README

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 reStructuredText 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.