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authorLeon Romanovsky <leonro@mellanox.com>2018-01-28 11:17:23 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-01-29 20:21:40 -0700
commit9d5f8c209b3f29259e6aa9595ea2dc2dfa27549a (patch)
tree6bdc05684a43f7b9df193dbcb778b3726526291d
parent08f294a1524bc3211a28091daa6c7513828c7d33 (diff)
RDMA/core: Add resource tracking for create and destroy PDs
Track create and destroy operations of PD objects. Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c2
-rw-r--r--drivers/infiniband/core/verbs.c5
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 3e95acd29de7..256934d1f64f 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -340,6 +340,8 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file,
uobj->object = pd;
memset(&resp, 0, sizeof resp);
resp.pd_handle = uobj->id;
+ pd->res.type = RDMA_RESTRACK_PD;
+ rdma_restrack_add(&pd->res);
if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) {
ret = -EFAULT;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 8cb5c850828d..16ebc6372c31 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -263,6 +263,10 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
mr_access_flags |= IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE;
}
+ pd->res.type = RDMA_RESTRACK_PD;
+ pd->res.kern_name = caller;
+ rdma_restrack_add(&pd->res);
+
if (mr_access_flags) {
struct ib_mr *mr;
@@ -312,6 +316,7 @@ void ib_dealloc_pd(struct ib_pd *pd)
requires the caller to guarantee we can't race here. */
WARN_ON(atomic_read(&pd->usecnt));
+ rdma_restrack_del(&pd->res);
/* Making delalloc_pd a void return is a WIP, no driver should return
an error here. */
ret = pd->device->dealloc_pd(pd);

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