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Boris Burkov
0497dfba98
Similar to mark_bg_unused() and mark_bg_to_reclaim(), we have a few places that use bg_list with refcounting, mostly for retrying failures to reclaim/delete unused. These have custom logic for handling locking and refcounting the bg_list properly, but they actually all want to do the same thing, so pull that logic out into a helper. Unfortunately, mark_bg_unused() does still need the NEW flag to avoid prematurely marking stuff unused (even if refcount is fine, we don't want to mess with bg creation), so it cannot use the new helper. Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Boris Burkov <boris@bur.io> 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.