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462582b99b
When a log flush fails due to io errors, it signals the failure but does not clean up after itself very well. This is because buffers are added to the transaction tr_buf and tr_databuf queue, but the io error causes gfs2_log_flush to bypass the "after_commit" functions responsible for dequeueing the bd elements. If the bd elements are added to the ail list before the error, function ail_drain takes care of dequeueing them. But if they haven't gotten that far, the elements are forgotten and make the transactions unable to be freed. This patch introduces new function trans_drain which drains the bd elements from the transaction so they can be freed properly. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.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.