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There are a couple places in function do_xmote where normal processing is circumvented due to withdraws in progress. However, since we bypass most of do_xmote() we bypass telling dlm to lock the dlm lock, which means dlm will never respond with a completion callback. Since the completion callback ordinarily clears GLF_LOCK, this patch changes function do_xmote to handle those situations more gracefully so the file system may be unmounted after withdraw. A very similar situation happens with the GLF_DEMOTE_IN_PROGRESS flag, which is cleared by function finish_xmote(). Since the withdraw causes us to skip the majority of do_xmote, it therefore also skips the call to finish_xmote() so the DEMOTE_IN_PROGRESS flag needs to be cleared manually. Signed-off-by: Bob Peterson <rpeterso@redhat.com> 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.