On 2/13/2018 5:18 AM, Leon Romanovsky wrote:
From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Maintaining the uobjects list is mandatory, hoist it into the common
rdma_alloc_commit_uobject() function and inline it as there is now
only one caller.
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
drivers/infiniband/core/rdma_core.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c
index 7aee1c0b9884..1cb6849b2231 100644
--- a/drivers/infiniband/core/rdma_core.c
+++ b/drivers/infiniband/core/rdma_core.c
@@ -350,13 +350,6 @@ struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_obj_type *type,
return type->type_class->alloc_begin(type, ucontext);
}
-static void uverbs_uobject_add(struct ib_uobject *uobject)
-{
- mutex_lock(&uobject->context->uobjects_lock);
- list_add(&uobject->list, &uobject->context->uobjects);
- mutex_unlock(&uobject->context->uobjects_lock);
-}
-
static int __must_check remove_commit_idr_uobject(struct ib_uobject *uobj,
enum rdma_remove_reason why)
{
@@ -501,7 +494,6 @@ int rdma_explicit_destroy(struct ib_uobject *uobject)
static void alloc_commit_idr_uobject(struct ib_uobject *uobj)
{
- uverbs_uobject_add(uobj);
spin_lock(&uobj->context->ufile->idr_lock);
/*
* We already allocated this IDR with a NULL object, so
@@ -517,7 +509,6 @@ static void alloc_commit_fd_uobject(struct ib_uobject *uobj)
struct ib_uobject_file *uobj_file =
container_of(uobj, struct ib_uobject_file, uobj);
- uverbs_uobject_add(&uobj_file->uobj);
fd_install(uobj_file->uobj.id, uobj->object);
/* This shouldn't be used anymore. Use the file object instead */
uobj_file->uobj.id = 0;
@@ -544,6 +535,10 @@ int rdma_alloc_commit_uobject(struct ib_uobject *uobj)
assert_uverbs_usecnt(uobj, true);
atomic_set(&uobj->usecnt, 0);
+ mutex_lock(&uobj->context->uobjects_lock);
+ list_add(&uobj->list, &uobj->context->uobjects);
+ mutex_unlock(&uobj->context->uobjects_lock);
+
uobj->type->type_class->alloc_commit(uobj);
up_read(&uobj->context->cleanup_rwsem);
From the subject it sounds like you are doing a cosmetic clean-up, but
this is doing a bit more. You are ensuring the list_add is always going
to be called by putting it in the common path. What about making that be
the subject?
-Denny
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