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9d20653fe8
Now that io splitting is recorded prior to, or during, ->map IO accounting can happen immediately rather than defer until after bio splitting in dm_split_and_process_bio(). Remove the DM_IO_START_ACCT flag and also remove dm_io's map_task member because there is no longer any need to wait for splitting to occur before accounting. Also move dm_io struct's 'flags' member to consolidate struct holes. Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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.