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74e9194afb
It was added in ba8b04c1d4 ("btrfs: extend btrfs_set_extent_delalloc
and its friends to support in-band dedupe and subpage size patchset") as
a preparatory patch for in-band and subapge block size patchsets.
However neither of those are likely to be merged anytime soon and the
code has diverged significantly from the last public post of either
of those patchsets.
It's unlikely either of the patchests are going to use those preparatory
steps so just remove the variables. Since cow_file_range also took
delalloc_end to pass it to extent_clear_unlock_delalloc remove the
parameter from that function as well.
Signed-off-by: Nikolay Borisov <nborisov@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 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.