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When a qdisc is removed, it is necessary to update the backlog value at its parent--unless the qdisc is at root position. RED, TBF and FIFO all do that, each separately. Since all of them need to do this, just promote the operation directly to mlxsw_sp_qdisc_destroy(), instead of deferring it to individual destructors. Since FIFO dtor thus becomes trivial, remove it. Add struct mlxsw_sp_qdisc.parent to point at the parent qdisc. This will be handy later as deeper structures are offloaded. Use the parent qdisc to find the chain of parents whose backlog value needs to be updated. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| include | ||
| init | ||
| ipc | ||
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| README | ||
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.