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56535dc695
Include flock glocks in the "glockfd" debugfs file. Those are similar to the iopen glocks; while an open file is holding an flock, it is holding the file's flock glock. We cannot take f_fl_mutex in gfs2_glockfd_seq_show_flock() or else dumping the "glockfd" file would block on flock operations. Instead, use the file->f_lock spin lock to protect the f_fl_gh.gh_gl glock pointer. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> |
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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.