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authorsantosh.shilimkar@oracle.com <santosh.shilimkar@oracle.com>2016-03-01 15:20:47 -0800
committerDavid S. Miller <davem@davemloft.net>2016-03-02 14:13:18 -0500
commita69365a39cd35d0ad11be7d4a896b2f76a8fde44 (patch)
treeaaa8cf406bd5e21c6fc1cbba9a4efd63e3b146df /net/rds/ib_fmr.c
parentf6df683f32f09f8c0c440bdd3741a1e7dc7927fe (diff)
downloadop-kernel-dev-a69365a39cd35d0ad11be7d4a896b2f76a8fde44.zip
op-kernel-dev-a69365a39cd35d0ad11be7d4a896b2f76a8fde44.tar.gz
RDS: IB: create struct rds_ib_fmr
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>
Diffstat (limited to 'net/rds/ib_fmr.c')
-rw-r--r--net/rds/ib_fmr.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/net/rds/ib_fmr.c b/net/rds/ib_fmr.c
index d4f200d..74f2c21 100644
--- a/net/rds/ib_fmr.c
+++ b/net/rds/ib_fmr.c
@@ -36,6 +36,7 @@ struct rds_ib_mr *rds_ib_alloc_fmr(struct rds_ib_device *rds_ibdev, int npages)
{
struct rds_ib_mr_pool *pool;
struct rds_ib_mr *ibmr = NULL;
+ struct rds_ib_fmr *fmr;
int err = 0, iter = 0;
if (npages <= RDS_MR_8K_MSG_SIZE)
@@ -99,15 +100,16 @@ struct rds_ib_mr *rds_ib_alloc_fmr(struct rds_ib_device *rds_ibdev, int npages)
goto out_no_cigar;
}
- ibmr->fmr = ib_alloc_fmr(rds_ibdev->pd,
+ fmr = &ibmr->u.fmr;
+ fmr->fmr = ib_alloc_fmr(rds_ibdev->pd,
(IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_READ |
IB_ACCESS_REMOTE_WRITE |
IB_ACCESS_REMOTE_ATOMIC),
&pool->fmr_attr);
- if (IS_ERR(ibmr->fmr)) {
- err = PTR_ERR(ibmr->fmr);
- ibmr->fmr = NULL;
+ if (IS_ERR(fmr->fmr)) {
+ err = PTR_ERR(fmr->fmr);
+ fmr->fmr = NULL;
pr_warn("RDS/IB: %s failed (err=%d)\n", __func__, err);
goto out_no_cigar;
}
@@ -122,8 +124,8 @@ struct rds_ib_mr *rds_ib_alloc_fmr(struct rds_ib_device *rds_ibdev, int npages)
out_no_cigar:
if (ibmr) {
- if (ibmr->fmr)
- ib_dealloc_fmr(ibmr->fmr);
+ if (fmr->fmr)
+ ib_dealloc_fmr(fmr->fmr);
kfree(ibmr);
}
atomic_dec(&pool->item_count);
@@ -134,6 +136,7 @@ int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev, struct rds_ib_mr *ibmr,
struct scatterlist *sg, unsigned int nents)
{
struct ib_device *dev = rds_ibdev->dev;
+ struct rds_ib_fmr *fmr = &ibmr->u.fmr;
struct scatterlist *scat = sg;
u64 io_addr = 0;
u64 *dma_pages;
@@ -190,7 +193,7 @@ int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev, struct rds_ib_mr *ibmr,
(dma_addr & PAGE_MASK) + j;
}
- ret = ib_map_phys_fmr(ibmr->fmr, dma_pages, page_cnt, io_addr);
+ ret = ib_map_phys_fmr(fmr->fmr, dma_pages, page_cnt, io_addr);
if (ret)
goto out;
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