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

Track create and destroy operations of CQ 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 11:17:22 +02:00 committed by Jason Gunthorpe
parent 78a0cd648a
commit 08f294a152
4 changed files with 14 additions and 0 deletions
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6
drivers/infiniband/core/cq.c
View File

@ -159,6 +159,10 @@ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
if (!cq->wc)
goto out_destroy_cq;
cq->res.type = RDMA_RESTRACK_CQ;
cq->res.kern_name = caller;
rdma_restrack_add(&cq->res);
switch (cq->poll_ctx) {
case IB_POLL_DIRECT:
cq->comp_handler = ib_cq_completion_direct;
@ -183,6 +187,7 @@ struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
out_free_wc:
kfree(cq->wc);
rdma_restrack_del(&cq->res);
out_destroy_cq:
cq->device->destroy_cq(cq);
return ERR_PTR(ret);
@ -214,6 +219,7 @@ void ib_free_cq(struct ib_cq *cq)
}
kfree(cq->wc);
rdma_restrack_del(&cq->res);
ret = cq->device->destroy_cq(cq);
WARN_ON_ONCE(ret);
}

2
drivers/infiniband/core/uverbs_cmd.c
View File

@ -1033,6 +1033,8 @@ static struct ib_ucq_object *create_cq(struct ib_uverbs_file *file,
goto err_cb;
uobj_alloc_commit(&obj->uobject);
cq->res.type = RDMA_RESTRACK_CQ;
rdma_restrack_add(&cq->res);
return obj;

3
drivers/infiniband/core/uverbs_std_types.c
View File

@ -35,6 +35,7 @@
#include <rdma/ib_verbs.h>
#include <linux/bug.h>
#include <linux/file.h>
#include <rdma/restrack.h>
#include "rdma_core.h"
#include "uverbs.h"
@ -319,6 +320,8 @@ static int uverbs_create_cq_handler(struct ib_device *ib_dev,
obj->uobject.object = cq;
obj->uobject.user_handle = user_handle;
atomic_set(&cq->usecnt, 0);
cq->res.type = RDMA_RESTRACK_CQ;
rdma_restrack_add(&cq->res);
ret = uverbs_copy_to(attrs, CREATE_CQ_RESP_CQE, &cq->cqe);
if (ret)

3
drivers/infiniband/core/verbs.c
View File

@ -1579,6 +1579,8 @@ struct ib_cq *ib_create_cq(struct ib_device *device,
cq->event_handler = event_handler;
cq->cq_context = cq_context;
atomic_set(&cq->usecnt, 0);
cq->res.type = RDMA_RESTRACK_CQ;
rdma_restrack_add(&cq->res);
}
return cq;
@ -1597,6 +1599,7 @@ int ib_destroy_cq(struct ib_cq *cq)
if (atomic_read(&cq->usecnt))
return -EBUSY;
rdma_restrack_del(&cq->res);
return cq->device->destroy_cq(cq);
}
EXPORT_SYMBOL(ib_destroy_cq);