80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2019 Samsung Electronics Co., Ltd.
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*/
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#include <linux/list.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/workqueue.h>
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#include "server.h"
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#include "connection.h"
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#include "ksmbd_work.h"
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#include "mgmt/ksmbd_ida.h"
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static struct kmem_cache *work_cache;
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static struct workqueue_struct *ksmbd_wq;
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struct ksmbd_work *ksmbd_alloc_work_struct(void)
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{
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struct ksmbd_work *work = kmem_cache_zalloc(work_cache, GFP_KERNEL);
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if (work) {
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work->compound_fid = KSMBD_NO_FID;
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work->compound_pfid = KSMBD_NO_FID;
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INIT_LIST_HEAD(&work->request_entry);
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INIT_LIST_HEAD(&work->async_request_entry);
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INIT_LIST_HEAD(&work->fp_entry);
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INIT_LIST_HEAD(&work->interim_entry);
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}
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return work;
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}
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void ksmbd_free_work_struct(struct ksmbd_work *work)
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{
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WARN_ON(work->saved_cred != NULL);
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kvfree(work->response_buf);
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kvfree(work->aux_payload_buf);
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kfree(work->tr_buf);
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kvfree(work->request_buf);
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if (work->async_id)
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ksmbd_release_id(&work->conn->async_ida, work->async_id);
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kmem_cache_free(work_cache, work);
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}
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void ksmbd_work_pool_destroy(void)
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{
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kmem_cache_destroy(work_cache);
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}
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int ksmbd_work_pool_init(void)
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{
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work_cache = kmem_cache_create("ksmbd_work_cache",
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sizeof(struct ksmbd_work), 0,
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SLAB_HWCACHE_ALIGN, NULL);
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if (!work_cache)
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return -ENOMEM;
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return 0;
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}
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int ksmbd_workqueue_init(void)
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{
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ksmbd_wq = alloc_workqueue("ksmbd-io", 0, 0);
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if (!ksmbd_wq)
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return -ENOMEM;
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return 0;
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}
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void ksmbd_workqueue_destroy(void)
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{
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destroy_workqueue(ksmbd_wq);
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ksmbd_wq = NULL;
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}
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bool ksmbd_queue_work(struct ksmbd_work *work)
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{
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return queue_work(ksmbd_wq, &work->work);
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}
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