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Qu Wenruo
0fcaf926ad
The function btrfs_set_range_writeback() was originally a callback for
metadata and data, to mark a range with writeback flag.
Then it was converted into a common function call for both metadata and
data.
From the very beginning, the function had been only called on a full page,
later converted to handle range inside a page.
But it never needed to handle multiple pages, and since commit
8189197425 ("btrfs: refactor __extent_writepage_io() to do
sector-by-sector submission") the function was only called on a
sector-by-sector basis.
This makes the function unnecessary, and can be converted to a simple
btrfs_folio_set_writeback() call instead.
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.