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d34e123de1
Instead of attaching an extra allocation an indirect call to each low-level bio issued by the RAID code, add a work_struct to struct btrfs_raid_bio and only defer the per-rbio completion action. The per-bio action for all the I/Os are trivial and can be safely done from interrupt context. As a nice side effect this also allows sharing the boilerplate code for the per-bio completions Signed-off-by: Christoph Hellwig <hch@lst.de> 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.