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17d7768408
In gfs2_ail1_flush, we're using I/O plugging to give the block layer a better chance of merging I/O requests. If we're too aggressive here, we can end up waiting on I/O to complete while still plugged. Fix that in a way similar to writeback_sb_inodes, except that we can't use blk_flush_plug because blk_flush_plug_list is not exported. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.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.