1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2019 Samsung Electronics Co., Ltd.
6 #include <linux/list.h>
8 #include <linux/slab.h>
9 #include <linux/workqueue.h>
12 #include "connection.h"
13 #include "ksmbd_work.h"
14 #include "mgmt/ksmbd_ida.h"
16 static struct kmem_cache *work_cache;
17 static struct workqueue_struct *ksmbd_wq;
19 struct ksmbd_work *ksmbd_alloc_work_struct(void)
21 struct ksmbd_work *work = kmem_cache_zalloc(work_cache, GFP_KERNEL);
24 work->compound_fid = KSMBD_NO_FID;
25 work->compound_pfid = KSMBD_NO_FID;
26 INIT_LIST_HEAD(&work->request_entry);
27 INIT_LIST_HEAD(&work->async_request_entry);
28 INIT_LIST_HEAD(&work->fp_entry);
29 INIT_LIST_HEAD(&work->interim_entry);
34 void ksmbd_free_work_struct(struct ksmbd_work *work)
36 WARN_ON(work->saved_cred != NULL);
38 kvfree(work->response_buf);
39 kvfree(work->aux_payload_buf);
41 kvfree(work->request_buf);
43 ksmbd_release_id(&work->conn->async_ida, work->async_id);
44 kmem_cache_free(work_cache, work);
47 void ksmbd_work_pool_destroy(void)
49 kmem_cache_destroy(work_cache);
52 int ksmbd_work_pool_init(void)
54 work_cache = kmem_cache_create("ksmbd_work_cache",
55 sizeof(struct ksmbd_work), 0,
56 SLAB_HWCACHE_ALIGN, NULL);
62 int ksmbd_workqueue_init(void)
64 ksmbd_wq = alloc_workqueue("ksmbd-io", 0, 0);
70 void ksmbd_workqueue_destroy(void)
72 destroy_workqueue(ksmbd_wq);
76 bool ksmbd_queue_work(struct ksmbd_work *work)
78 return queue_work(ksmbd_wq, &work->work);