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b32f9a577b
Similer to the previous patch for check_backpointers_to_extents(), if the alloc + backpointers btrees do not fit in ram we need to run into multiple passes. The counting of btree nodes that fit in memory is different here, because we have to walk the alloc and backpointers btrees at the same time, since a backpointer could reside in either of them and we don't know which without checking both. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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.