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80 lines
1.7 KiB
80 lines
1.7 KiB
// 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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flush_workqueue(ksmbd_wq); |
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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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