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The xfs_defer_ops ->dop_pending list is used to track active deferred operations once intents are logged. These items must be aborted in the event of an error. The list is populated as intents are logged and items are removed as they complete (or are aborted). Now that xfs_defer_finish() cancels on error, there is no need to ever access ->dop_pending outside of xfs_defer_finish(). The list is only ever populated after xfs_defer_finish() begins and is either completed or cancelled before it returns. Remove ->dop_pending from xfs_defer_ops and replace it with a local list in the xfs_defer_finish() path. Pass the local list to the various helpers now that it is not accessible via dfops. Note that we have to check for NULL in the abort case as the final tx roll occurs outside of the scope of the new local list (once the dfops has completed and thus drained the list). Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.