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ce6201c456
Previously, the journal read path used a linked list for storing the journal entries we read from disk. But there's been a bug that's been causing journal_flush_delay to incorrectly be set to 0, leading to far more journal entries than is normal being written out, which then means filesystems are no longer able to start due to the O(n^2) behaviour of inserting into/searching that linked list. Fix this by switching to a radix tree. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.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.