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51908ca75f
All but two callers of the ->node_tree_p dir operation already have a xfs_da3_icnode_hdr from a previous call to xfs_da3_node_hdr_from_disk at hand. Add a pointer to the btree entries to struct xfs_da3_icnode_hdr to clean up this pattern. The two remaining callers now expand the whole header as well, but that isn't very expensive and not in a super hot path anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.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.