libceph: fix doc warnings in cls_lock_client.c

Add description to fix the following W=1 kernel build warnings:

net/ceph/cls_lock_client.c:28: warning: Function parameter or
member 'osdc' not described in 'ceph_cls_lock'
net/ceph/cls_lock_client.c:28: warning: Function parameter or
member 'oid' not described in 'ceph_cls_lock'
net/ceph/cls_lock_client.c:28: warning: Function parameter or
member 'oloc' not described in 'ceph_cls_lock'

[ idryomov: tweak osdc description ]

Signed-off-by: Baokun Li <[e-mail]>
Reviewed-by: Ilya Dryomov <[e-mail]>
Signed-off-by: Ilya Dryomov <[e-mail]>

net/ceph/cls_lock_client.c

···
 
 /**
  * ceph_cls_lock - grab rados lock for object
- * @oid, @oloc: object to lock
+ * @osdc: OSD client instance
+ * @oid: object to lock
+ * @oloc: object to lock
  * @lock_name: the name of the lock
  * @type: lock type (CEPH_CLS_LOCK_EXCLUSIVE or CEPH_CLS_LOCK_SHARED)
  * @cookie: user-defined identifier for this instance of the lock
···
 
 /**
  * ceph_cls_unlock - release rados lock for object
- * @oid, @oloc: object to lock
+ * @osdc: OSD client instance
+ * @oid: object to lock
+ * @oloc: object to lock
  * @lock_name: the name of the lock
  * @cookie: user-defined identifier for this instance of the lock
  */
···
 
 /**
  * ceph_cls_break_lock - release rados lock for object for specified client
- * @oid, @oloc: object to lock
+ * @osdc: OSD client instance
+ * @oid: object to lock
+ * @oloc: object to lock
  * @lock_name: the name of the lock
  * @cookie: user-defined identifier for this instance of the lock
  * @locker: current lock owner