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RDMA/core: Add resource tracking for create and destroy PDs

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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>
This commit is contained in:
Leon Romanovsky 2018-01-28 11:17:23 +02:00 committed by Jason Gunthorpe
parent 08f294a152
commit 9d5f8c209b
2 changed files with 7 additions and 0 deletions
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2
drivers/infiniband/core/uverbs_cmd.c
View File

@ -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;

5
drivers/infiniband/core/verbs.c
View File

@ -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);