luck/tmp_suning_uos_patched
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

IB/uverbs: Tidy uverbs_uobject_add

Browse Source 
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: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2018-02-13 12:18:39 +02:00
parent 1d1ab1ae69
commit 8efe991e8b
1 changed files with 4 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/infiniband/core/rdma_core.c
View File

@ -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)
{
@ -502,7 +495,6 @@ 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
@ -518,7 +510,6 @@ 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;
@ -545,6 +536,10 @@ 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);