0c0d200b7c
This patch is used to change the per bdev polling into a group polling for each spdk thread. Change-Id: I6e99fb1512fe8ee778d4436a193fbc24022f4b84 Signed-off-by: Ziye Yang <optimistyzy@gmail.com> Reviewed-on: https://review.gerrithub.io/421573 Reviewed-by: GangCao <gang.cao@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_BDEV_AIO_H
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#define SPDK_BDEV_AIO_H
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#include "spdk/stdinc.h"
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#include <libaio.h>
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#include "spdk/queue.h"
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#include "spdk/bdev.h"
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#include "spdk/bdev_module.h"
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struct bdev_aio_task {
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struct iocb iocb;
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uint64_t len;
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TAILQ_ENTRY(bdev_aio_task) link;
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};
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struct bdev_aio_io_channel {
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io_context_t io_ctx;
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uint64_t io_inflight;
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struct spdk_io_channel *group_ch;
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TAILQ_ENTRY(bdev_aio_io_channel) link;
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};
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typedef void (*spdk_delete_aio_complete)(void *cb_arg, int bdeverrno);
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struct file_disk {
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struct bdev_aio_task *reset_task;
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struct spdk_poller *reset_retry_timer;
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struct spdk_bdev disk;
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char *filename;
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int fd;
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TAILQ_ENTRY(file_disk) link;
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bool block_size_override;
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spdk_delete_aio_complete delete_cb_fn;
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void *delete_cb_arg;
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};
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struct spdk_bdev *create_aio_disk(const char *name, const char *filename, uint32_t block_size);
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void delete_aio_disk(struct spdk_bdev *bdev, spdk_delete_aio_complete cb_fn, void *cb_arg);
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#endif // SPDK_BDEV_AIO_H
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