IB/core: add a simple MR pool
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>
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 9e8616a..400a8a0 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1421,9 +1421,12 @@
struct ib_pd *pd;
struct ib_cq *send_cq;
struct ib_cq *recv_cq;
+ spinlock_t mr_lock;
+ int mrs_used;
struct ib_srq *srq;
struct ib_xrcd *xrcd; /* XRC TGT QPs only */
struct list_head xrcd_list;
+
/* count times opened, mcast attaches, flow attaches */
atomic_t usecnt;
struct list_head open_list;
@@ -1438,12 +1441,15 @@
struct ib_mr {
struct ib_device *device;
struct ib_pd *pd;
- struct ib_uobject *uobject;
u32 lkey;
u32 rkey;
u64 iova;
u32 length;
unsigned int page_size;
+ union {
+ struct ib_uobject *uobject; /* user */
+ struct list_head qp_entry; /* FR */
+ };
};
struct ib_mw {