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authorsantosh.shilimkar@oracle.com <santosh.shilimkar@oracle.com>2016-03-02 00:20:47 +0100
committerDavid S. Miller <davem@davemloft.net>2016-03-02 20:13:18 +0100
commita69365a39cd35d0ad11be7d4a896b2f76a8fde44 (patch)
treeaaa8cf406bd5e21c6fc1cbba9a4efd63e3b146df /net/rds/ib_rdma.c
parentRDS: IB: Re-organise ibmr code (diff)
downloadlinux-a69365a39cd35d0ad11be7d4a896b2f76a8fde44.tar.xz
linux-a69365a39cd35d0ad11be7d4a896b2f76a8fde44.zip
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 '')
-rw-r--r--net/rds/ib_rdma.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index c59451938b36..9e608d99a570 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -334,6 +334,7 @@ int rds_ib_flush_mr_pool(struct rds_ib_mr_pool *pool,
int free_all, struct rds_ib_mr **ibmr_ret)
{
struct rds_ib_mr *ibmr, *next;
+ struct rds_ib_fmr *fmr;
struct llist_node *clean_nodes;
struct llist_node *clean_tail;
LIST_HEAD(unmap_list);
@@ -395,8 +396,10 @@ int rds_ib_flush_mr_pool(struct rds_ib_mr_pool *pool,
goto out;
/* String all ib_mr's onto one list and hand them to ib_unmap_fmr */
- list_for_each_entry(ibmr, &unmap_list, unmap_list)
- list_add(&ibmr->fmr->list, &fmr_list);
+ list_for_each_entry(ibmr, &unmap_list, unmap_list) {
+ fmr = &ibmr->u.fmr;
+ list_add(&fmr->fmr->list, &fmr_list);
+ }
ret = ib_unmap_fmr(&fmr_list);
if (ret)
@@ -405,6 +408,7 @@ int rds_ib_flush_mr_pool(struct rds_ib_mr_pool *pool,
/* Now we can destroy the DMA mapping and unpin any pages */
list_for_each_entry_safe(ibmr, next, &unmap_list, unmap_list) {
unpinned += ibmr->sg_len;
+ fmr = &ibmr->u.fmr;
__rds_ib_teardown_mr(ibmr);
if (nfreed < free_goal ||
ibmr->remap_count >= pool->fmr_attr.max_maps) {
@@ -413,7 +417,7 @@ int rds_ib_flush_mr_pool(struct rds_ib_mr_pool *pool,
else
rds_ib_stats_inc(s_ib_rdma_mr_1m_free);
list_del(&ibmr->unmap_list);
- ib_dealloc_fmr(ibmr->fmr);
+ ib_dealloc_fmr(fmr->fmr);
kfree(ibmr);
nfreed++;
}
@@ -517,6 +521,7 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents,
{
struct rds_ib_device *rds_ibdev;
struct rds_ib_mr *ibmr = NULL;
+ struct rds_ib_fmr *fmr;
int ret;
rds_ibdev = rds_ib_get_device(rs->rs_bound_addr);
@@ -536,9 +541,10 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents,
return ibmr;
}
+ fmr = &ibmr->u.fmr;
ret = rds_ib_map_fmr(rds_ibdev, ibmr, sg, nents);
if (ret == 0)
- *key_ret = ibmr->fmr->rkey;
+ *key_ret = fmr->fmr->rkey;
else
printk(KERN_WARNING "RDS/IB: map_fmr failed (errno=%d)\n", ret);