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83771c50e4
The previous patch to reload unrecovered unlinked inodes when adding a newly created inode to the unlinked list is missing a key piece of functionality. It doesn't handle the case that someone calls xfs_iget on an inode that is not the last item in the incore list. For example, if at mount time the ondisk iunlink bucket looks like this: AGI -> 7 -> 22 -> 3 -> NULL None of these three inodes are cached in memory. Now let's say that someone tries to open inode 3 by handle. We need to walk the list to make sure that inodes 7 and 22 get loaded cold, and that the i_prev_unlinked of inode 3 gets set to 22. Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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.