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4 Commits (e6c2e65c70a6f606ea764f301e4024c85e0cd7a8)

Author SHA1 Message Date
Santosh Shilimkar 5601245931 RDS: IB: split the mr registration and invalidation path 
MR invalidation in RDS is done in background thread and not in
data path like registration. So break the dependency between them
which helps to remove the performance bottleneck.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
 2017-01-02 14:02:47 -08:00
Santosh Shilimkar 3e56c2f856 RDS: RDMA: fix the ib_map_mr_sg_zbva() argument 
Fixes warning: Using plain integer as NULL pointer

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
 2017-01-02 14:02:44 -08:00
Christoph Hellwig ff2ba99365 IB/core: Add passing an offset into the SG to ib_map_mr_sg 
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
 2016-05-13 13:37:11 -04:00
Avinash Repaka 1659185fb4 RDS: IB: Support Fastreg MR (FRMR) memory registration mode 
Fastreg MR(FRMR) is another method with which one can
register memory to HCA. Some of the newer HCAs supports only fastreg
mr mode, so we need to add support for it to have RDS functional
on them.

Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Avinash Repaka <avinash.repaka@oracle.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2016-03-02 14:13:19 -05:00