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authorPetr Machata <petrm@mellanox.com>2020-01-06 18:01:55 +0000
committerDavid S. Miller <davem@davemloft.net>2020-01-08 12:45:52 -0800
commit3971a535b839489e4ea31796cc086e6ce616318c (patch)
tree12d4dc1e7199cf2eaa6c1e67df28ea3d1ddac720 /fs/f2fs/Makefile
parentcb6f74a1ead4c5ab2431ea6dbecd1447b74f7249 (diff)
mlxsw: spectrum_qdisc: Ignore grafting of invisible FIFO
The following patch will change PRIO to replace a removed Qdisc with an invisible FIFO, instead of NOOP. mlxsw will see this replacement due to the graft message that is generated. But because FIFO does not issue its own REPLACE message, when the graft operation takes place, the Qdisc that mlxsw tracks under the indicated band is still the old one. The child handle (0:0) therefore does not match, and mlxsw rejects the graft operation, which leads to an extack message: Warning: Offloading graft operation failed. Fix by ignoring the invisible children in the PRIO graft handler. The DESTROY message of the removed Qdisc is going to follow shortly and handle the removal. Fixes: 32dc5efc6cb4 ("mlxsw: spectrum: qdiscs: prio: Handle graft command") Signed-off-by: Petr Machata <petrm@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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