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Jens Axboe b5b0eba590 Bring back O_NDELAY for floppy
Only one commit this time with revert of O_NDELAY removal for the floppy.
 Users reported that the commit breaks userspace utils and known floppy
 workflow patterns. We already reverted the same commit back in 2016
 presumably for the same reason. Completely drop O_NDELAY for floppy seems
 excessive to solve problems it introduces.
 
 I started to write basic selftests for the floppy to prevent this kind of
 userspace breaks in the future.
 
 Signed-off-by: Denis Efremov <efremov@linux.com>
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Merge tag 'floppy-for-5.15' of https://github.com/evdenis/linux-floppy into for-5.15/drivers

Pull floppy fix from Denis:

"Bring back O_NDELAY for floppy

 Only one commit this time with revert of O_NDELAY removal for the floppy.
 Users reported that the commit breaks userspace utils and known floppy
 workflow patterns. We already reverted the same commit back in 2016
 presumably for the same reason. Completely drop O_NDELAY for floppy seems
 excessive to solve problems it introduces.

 I started to write basic selftests for the floppy to prevent this kind of
 userspace breaks in the future.

 Signed-off-by: Denis Efremov <efremov@linux.com>"

* tag 'floppy-for-5.15' of https://github.com/evdenis/linux-floppy:
  Revert "floppy: reintroduce O_NDELAY fix"
History 2021-08-29 06:50:58 -06:00
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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.