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2017-03-13rds: ib: unmap the scatter/gather list when errorZhu Yanjun1-7/+19
When some errors occur, the scatter/gather list mapped to DMA addresses should be handled. Cc: Joe Jin <joe.jin@oracle.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13rds: ib: add the static type to the functionZhu Yanjun1-2/+3
The function rds_ib_map_fmr is used only in the ib_fmr.c file. As such, the static type is added to limit it in this file. Cc: Joe Jin <joe.jin@oracle.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-13rds: ib: remove redundant ib_dealloc_fmrZhu Yanjun1-5/+2
The function ib_dealloc_fmr will never be called. As such, it should be removed. Cc: Joe Jin <joe.jin@oracle.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02RDS: IB: move FMR code to its own filesantosh.shilimkar@oracle.com1-49/+77
No functional change. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02RDS: IB: create struct rds_ib_fmrsantosh.shilimkar@oracle.com1-7/+10
Keep fmr related filed in its own struct. Fastreg MR structure will be added to the union. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-02RDS: IB: Re-organise ibmr codesantosh.shilimkar@oracle.com1-0/+217
No functional changes. This is in preperation towards adding fastreg memory resgitration support. Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>