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e9837e55b0
A major flaw of the current xt_quota module is that quota in a specific rule gets reset every time there is a rule change in the same table. It makes the xt_quota module not very useful in a table in which iptables rules are changed at run time. This fix introduces a new counter that is visible to userspace as the remaining quota of the current rule. When userspace restores the rules in a table, it can restore the counter to the remaining quota instead of resetting it to the full quota. Signed-off-by: Chenbo Feng <fengc@google.com> Suggested-by: Maciej Żenczykowski <maze@google.com> Reviewed-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.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.
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.