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IB/uverbs: Remove ib_uobject_file

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The only purpose for this structure was to hold the ib_uobject_file
pointer, but now that is part of the standard ib_uobject the structure
no longer makes any sense, so get rid of it.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2018-07-04 11:32:11 +03:00
parent 6f258884dd
commit d0259e82e7
8 changed files with 35 additions and 49 deletions
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47
drivers/infiniband/core/rdma_core.c
View File

@ -334,7 +334,6 @@ static struct ib_uobject *alloc_begin_fd_uobject(const struct uverbs_obj_type *t
container_of(type, struct uverbs_obj_fd_type, type);
int new_fd;
struct ib_uobject *uobj;
struct ib_uobject_file *uobj_file;
struct file *filp;
new_fd = get_unused_fd_flags(O_CLOEXEC);
@ -347,10 +346,9 @@ static struct ib_uobject *alloc_begin_fd_uobject(const struct uverbs_obj_type *t
return uobj;
}
uobj_file = container_of(uobj, struct ib_uobject_file, uobj);
filp = anon_inode_getfile(fd_type->name,
fd_type->fops,
uobj_file,
uobj,
fd_type->flags);
if (IS_ERR(filp)) {
put_unused_fd(new_fd);
@ -358,11 +356,11 @@ static struct ib_uobject *alloc_begin_fd_uobject(const struct uverbs_obj_type *t
return (void *)filp;
}
uobj_file->uobj.id = new_fd;
uobj_file->uobj.object = filp;
uobj_file->ufile = ufile;
uobj->id = new_fd;
uobj->object = filp;
uobj->ufile = ufile;
INIT_LIST_HEAD(&uobj->list);
kref_get(&uobj_file->ufile->ref);
kref_get(&ufile->ref);
return uobj;
}
@ -398,10 +396,8 @@ static int __must_check remove_commit_idr_uobject(struct ib_uobject *uobj,
static void alloc_abort_fd_uobject(struct ib_uobject *uobj)
{
struct ib_uobject_file *uobj_file =
container_of(uobj, struct ib_uobject_file, uobj);
struct file *filp = uobj->object;
int id = uobj_file->uobj.id;
int id = uobj->id;
/* Unsuccessful NEW */
fput(filp);
@ -413,9 +409,7 @@ static int __must_check remove_commit_fd_uobject(struct ib_uobject *uobj,
{
const struct uverbs_obj_fd_type *fd_type =
container_of(uobj->type, struct uverbs_obj_fd_type, type);
struct ib_uobject_file *uobj_file =
container_of(uobj, struct ib_uobject_file, uobj);
int ret = fd_type->context_closed(uobj_file, why);
int ret = fd_type->context_closed(uobj, why);
if (ib_is_destroy_retryable(ret, why, uobj))
return ret;
@ -425,7 +419,7 @@ static int __must_check remove_commit_fd_uobject(struct ib_uobject *uobj,
return ret;
}
uobj_file->uobj.context = NULL;
uobj->context = NULL;
return ret;
}
@ -530,14 +524,11 @@ static void alloc_commit_idr_uobject(struct ib_uobject *uobj)
static void alloc_commit_fd_uobject(struct ib_uobject *uobj)
{
struct ib_uobject_file *uobj_file =
container_of(uobj, struct ib_uobject_file, uobj);
fd_install(uobj_file->uobj.id, uobj->object);
fd_install(uobj->id, uobj->object);
/* This shouldn't be used anymore. Use the file object instead */
uobj_file->uobj.id = 0;
uobj->id = 0;
/* Get another reference as we export this to the fops */
uverbs_uobject_get(&uobj_file->uobj);
uverbs_uobject_get(uobj);
}
int rdma_alloc_commit_uobject(struct ib_uobject *uobj)
@ -638,19 +629,19 @@ const struct uverbs_obj_type_class uverbs_idr_class = {
};
EXPORT_SYMBOL(uverbs_idr_class);
static void _uverbs_close_fd(struct ib_uobject_file *uobj_file)
static void _uverbs_close_fd(struct ib_uobject *uobj)
{
struct ib_uverbs_file *ufile = uobj_file->ufile;
struct ib_uverbs_file *ufile = uobj->ufile;
int ret;
mutex_lock(&ufile->cleanup_mutex);
/* uobject was either already cleaned up or is cleaned up right now anyway */
if (!uobj_file->uobj.context ||
if (!uobj->context ||
!down_read_trylock(&ufile->cleanup_rwsem))
goto unlock;
ret = _rdma_remove_commit_uobject(&uobj_file->uobj, RDMA_REMOVE_CLOSE);
ret = _rdma_remove_commit_uobject(uobj, RDMA_REMOVE_CLOSE);
up_read(&ufile->cleanup_rwsem);
if (ret)
pr_warn("uverbs: unable to clean up uobject file in uverbs_close_fd.\n");
@ -660,11 +651,11 @@ static void _uverbs_close_fd(struct ib_uobject_file *uobj_file)
void uverbs_close_fd(struct file *f)
{
struct ib_uobject_file *uobj_file = f->private_data;
struct kref *uverbs_file_ref = &uobj_file->ufile->ref;
struct ib_uobject *uobj = f->private_data;
struct kref *uverbs_file_ref = &uobj->ufile->ref;
_uverbs_close_fd(uobj_file);
uverbs_uobject_put(&uobj_file->uobj);
_uverbs_close_fd(uobj);
uverbs_uobject_put(uobj);
kref_put(uverbs_file_ref, ib_uverbs_release_file);
}

2
drivers/infiniband/core/uverbs.h
View File

@ -130,7 +130,7 @@ struct ib_uverbs_async_event_file {
};
struct ib_uverbs_completion_event_file {
struct ib_uobject_file uobj_file;
struct ib_uobject uobj;
struct ib_uverbs_event_queue ev_queue;
};

8
drivers/infiniband/core/uverbs_cmd.c
View File

@ -52,7 +52,6 @@ ib_uverbs_lookup_comp_file(int fd, struct ib_uverbs_file *ufile)
{
struct ib_uobject *uobj = uobj_get_read(UVERBS_OBJECT_COMP_CHANNEL,
fd, ufile);
struct ib_uobject_file *uobj_file;
if (IS_ERR(uobj))
return (void *)uobj;
@ -60,9 +59,8 @@ ib_uverbs_lookup_comp_file(int fd, struct ib_uverbs_file *ufile)
uverbs_uobject_get(uobj);
uobj_put_read(uobj);
uobj_file = container_of(uobj, struct ib_uobject_file, uobj);
return container_of(uobj_file, struct ib_uverbs_completion_event_file,
uobj_file);
return container_of(uobj, struct ib_uverbs_completion_event_file,
uobj);
}
ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
@ -927,7 +925,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file,
resp.fd = uobj->id;
ev_file = container_of(uobj, struct ib_uverbs_completion_event_file,
uobj_file.uobj);
uobj);
ib_uverbs_init_event_queue(&ev_file->ev_queue);
if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) {

8
drivers/infiniband/core/uverbs_main.c
View File

@ -191,7 +191,7 @@ void ib_uverbs_release_ucq(struct ib_uverbs_file *file,
}
spin_unlock_irq(&ev_file->ev_queue.lock);
uverbs_uobject_put(&ev_file->uobj_file.uobj);
uverbs_uobject_put(&ev_file->uobj);
}
spin_lock_irq(&file->async_file->ev_queue.lock);
@ -346,7 +346,7 @@ static ssize_t ib_uverbs_comp_event_read(struct file *filp, char __user *buf,
filp->private_data;
return ib_uverbs_event_read(&comp_ev_file->ev_queue,
comp_ev_file->uobj_file.ufile, filp,
comp_ev_file->uobj.ufile, filp,
buf, count, pos,
sizeof(struct ib_uverbs_comp_event_desc));
}
@ -428,7 +428,9 @@ static int ib_uverbs_async_event_close(struct inode *inode, struct file *filp)
static int ib_uverbs_comp_event_close(struct inode *inode, struct file *filp)
{
struct ib_uverbs_completion_event_file *file = filp->private_data;
struct ib_uobject *uobj = filp->private_data;
struct ib_uverbs_completion_event_file *file = container_of(
uobj, struct ib_uverbs_completion_event_file, uobj);
struct ib_uverbs_event *entry, *tmp;
spin_lock_irq(&file->ev_queue.lock);

6
drivers/infiniband/core/uverbs_std_types.c
View File

@ -190,12 +190,12 @@ static int uverbs_free_pd(struct ib_uobject *uobject,
return 0;
}
static int uverbs_hot_unplug_completion_event_file(struct ib_uobject_file *uobj_file,
static int uverbs_hot_unplug_completion_event_file(struct ib_uobject *uobj,
enum rdma_remove_reason why)
{
struct ib_uverbs_completion_event_file *comp_event_file =
container_of(uobj_file, struct ib_uverbs_completion_event_file,
uobj_file);
container_of(uobj, struct ib_uverbs_completion_event_file,
uobj);
struct ib_uverbs_event_queue *event_queue = &comp_event_file->ev_queue;
spin_lock_irq(&event_queue->lock);

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

@ -93,7 +93,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev,
if (!IS_ERR(ev_file_uobj)) {
ev_file = container_of(ev_file_uobj,
struct ib_uverbs_completion_event_file,
uobj_file.uobj);
uobj);
uverbs_uobject_get(ev_file_uobj);
}

6
include/rdma/ib_verbs.h
View File

@ -1540,12 +1540,6 @@ struct ib_uobject {
const struct uverbs_obj_type *type;
};
struct ib_uobject_file {
struct ib_uobject uobj;
/* ufile contains the lock between context release and file close */
struct ib_uverbs_file *ufile;
};
struct ib_udata {
const void __user *inbuf;
void __user *outbuf;

5
include/rdma/uverbs_types.h
View File

@ -139,7 +139,7 @@ struct uverbs_obj_fd_type {
* the driver is removed or the process terminated.
*/
struct uverbs_obj_type type;
int (*context_closed)(struct ib_uobject_file *uobj_file,
int (*context_closed)(struct ib_uobject *uobj,
enum rdma_remove_reason why);
const struct file_operations *fops;
const char *name;
@ -156,7 +156,8 @@ extern const struct uverbs_obj_type_class uverbs_fd_class;
{.type = { \
.type_class = &uverbs_fd_class, \
.obj_size = (_obj_size) + \
UVERBS_BUILD_BUG_ON((_obj_size) < sizeof(struct ib_uobject_file)), \
UVERBS_BUILD_BUG_ON((_obj_size) < \
sizeof(struct ib_uobject)), \
}, \
.context_closed = _context_closed, \
.fops = _fops, \