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authorOr Gerlitz <ogerlitz@voltaire.com>2008-07-22 14:14:22 -0700
committerRoland Dreier <rolandd@cisco.com>2008-07-22 14:14:22 -0700
commitdd5bdff83b19d9174126e0398b47117c3a80e22d (patch)
tree2bdbc102afcc851d1cd0bef07e3a47d4e9ec1ae9 /fs/xfs/xfs_trans.h
parentd35cb360c29956510b2fe1a953bd4968536f7216 (diff)
RDMA/cma: Add RDMA_CM_EVENT_ADDR_CHANGE event
Add an RDMA_CM_EVENT_ADDR_CHANGE event can be used by rdma-cm consumers that wish to have their RDMA sessions always use the same links (eg <hca/port>) as the IP stack does. In the current code, this does not happen when bonding is used and fail-over happened but the IB link used by an already existing session is operating fine. Use the netevent notification for sensing that a change has happened in the IP stack, then scan the rdma-cm ID list to see if there is an ID that is "misaligned" with respect to the IP stack, and deliver RDMA_CM_EVENT_ADDR_CHANGE for this ID. The consumer can act on the event or just ignore it. Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'fs/xfs/xfs_trans.h')
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