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d412df530f
Modify the error returns for two file types that can't be defragged to more clearly communicate those restrictions to a caller. When the defrag code is applied to swap files, return -ETXTBSY, and when applied to quota files, return -EOPNOTSUPP. Move an extent tree search whose results are only occasionally required to the site always requiring them for improved efficiency. Address a few typos. Signed-off-by: Eric Whitney <enwlinux@gmail.com> Link: https://lore.kernel.org/r/20220722163910.268564-1-enwlinux@gmail.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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.