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Christoph Hellwig <hch@lst.de> says: I've recently been looking at the XFS fallocate implementation and got upset about the messing parsing of the mode argument, which mixes modes and an optional flag in a really confusing way. This series tries to clean this up by better defining what is the operation mode and what is an optional flag, so that both the core code and file systems can use switch statements to switch on the mode. * patches from https://lore.kernel.org/r/20240827065123.1762168-1-hch@lst.de: xfs: refactor xfs_file_fallocate xfs: move the xfs_is_always_cow_inode check into xfs_alloc_file_space xfs: call xfs_flush_unmap_range from xfs_free_file_space fs: sort out the fallocate mode vs flag mess ext4: remove tracing for FALLOC_FL_NO_HIDE_STALE block: remove checks for FALLOC_FL_NO_HIDE_STALE Link: https://lore.kernel.org/r/20240827065123.1762168-1-hch@lst.de Signed-off-by: Christian Brauner <brauner@kernel.org>
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.