IB: Refactor umem to use linear SG table
authorYishai Hadas <yishaih@mellanox.com>
Tue, 28 Jan 2014 11:40:15 +0000 (13:40 +0200)
committerRoland Dreier <roland@purestorage.com>
Tue, 4 Mar 2014 18:34:28 +0000 (10:34 -0800)
commiteeb8461e36c99fdf2d058751be924a2aab215005
treec92498349f842be5985194c840e2dd12201df861
parentcfbf8d4857c26a8a307fb7cd258074c9dcd8c691
IB: Refactor umem to use linear SG table

This patch refactors the IB core umem code and vendor drivers to use a
linear (chained) SG table instead of chunk list.  With this change the
relevant code becomes clearer—no need for nested loops to build and
use umem.

Signed-off-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
16 files changed:
drivers/infiniband/core/umem.c
drivers/infiniband/hw/amso1100/c2_provider.c
drivers/infiniband/hw/cxgb3/iwch_provider.c
drivers/infiniband/hw/cxgb4/mem.c
drivers/infiniband/hw/ehca/ehca_classes.h
drivers/infiniband/hw/ehca/ehca_mrmw.c
drivers/infiniband/hw/ipath/ipath_mr.c
drivers/infiniband/hw/mlx4/doorbell.c
drivers/infiniband/hw/mlx4/mr.c
drivers/infiniband/hw/mlx5/doorbell.c
drivers/infiniband/hw/mlx5/mem.c
drivers/infiniband/hw/mthca/mthca_provider.c
drivers/infiniband/hw/nes/nes_verbs.c
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
drivers/infiniband/hw/qib/qib_mr.c
include/rdma/ib_umem.h