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Qu Wenruo
e9ea31fb5c
All parameters after @filepos of btrfs_alloc_ordered_extent() can be replaced with btrfs_file_extent structure. This patch does the cleanup, meanwhile some points to note: - Move btrfs_file_extent structure to ordered-data.h The structure is needed by both btrfs_alloc_ordered_extent() and can_nocow_extent(), but since btrfs_inode.h includes ordered-data.h, so we need to move the structure to ordered-data.h. - Move the special handling of NOCOW/PREALLOC into btrfs_alloc_ordered_extent() This is to allow btrfs_split_ordered_extent() to properly split them for DIO. For now just move the handling into btrfs_alloc_ordered_extent() to simplify the callers. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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.