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abed4aaae4
In the future we are going to have multiple copies of these trees. To facilitate this we need a way to lookup the different roots we are looking for. Handle this by adding a global root rb tree that is indexed on the root->root_key. Then instead of loading the roots at mount time with individually targeted keys, simply search the tree_root for anything with the specific objectid we want. This will make it straightforward to support both old style and new style file systems. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> 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.