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e0f7422f54
As explained in the previous commit, xfs_rtallocate_extent_near() looks for the end of a free extent when searching backwards from the target bitmap block. Since the previous commit, it searches from the last bitmap block it checked to the bitmap block containing the start of the extent. This may still be more than necessary, since the free extent may not be that long. We know the maximum size of the free extent from the realtime summary. Use that to compute how many bitmap blocks we actually need to check. Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> |
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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.