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3f4475bf24
This reverts commite7ccaf5fe1. Before commite7ccaf5fe1, every time a resource group glock was dequeued by gfs2_glock_dq(), it was added to the glock LRU list even though the glock was still referenced by the resource group and could never be evicted, anyway. Commite7ccaf5fe1added a GLOF_LRU hack to avoid that overhead for resource group glocks, and that hack was since adopted for some other types of glocks as well. We now no longer add glocks to the glock LRU list while they are still referenced. This solves the underlying problem, and obsoletes the GLOF_LRU hack. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> (cherry picked from commit 3e5257c810cba91e274d07f3db5cf013c7c830be)
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 reStructuredText 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.