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9e4bef2ba9
We return 0 for success, or -error when there's an error. Move the 'ret' variable into the loop where we are actually using it, to make it clearer that we don't carry this variable forward for return outside of the loop. While at it, also move the need_resched() break condition out of the while check itself, keeping it with the signal pending check. 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.