56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2020 FUJITSU LIMITED. All rights reserved.
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* Author: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
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*/
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#ifndef LAPI_LOOP_H
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#define LAPI_LOOP_H
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#include "config.h"
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#include <linux/types.h>
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#include <linux/loop.h>
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#ifndef LO_FLAGS_PARTSCAN
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# define LO_FLAGS_PARTSCAN 8
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#endif
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#ifndef LO_FLAGS_DIRECT_IO
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# define LO_FLAGS_DIRECT_IO 16
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#endif
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#ifndef LOOP_SET_CAPACITY
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# define LOOP_SET_CAPACITY 0x4C07
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#endif
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#ifndef LOOP_SET_DIRECT_IO
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# define LOOP_SET_DIRECT_IO 0x4C08
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#endif
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#ifndef LOOP_SET_BLOCK_SIZE
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# define LOOP_SET_BLOCK_SIZE 0x4C09
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#endif
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#ifndef LOOP_CONFIGURE
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# define LOOP_CONFIGURE 0x4C0A
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#endif
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#ifndef HAVE_STRUCT_LOOP_CONFIG
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/*
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* struct loop_config - Complete configuration for a loop device.
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* @fd: fd of the file to be used as a backing file for the loop device.
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* @block_size: block size to use; ignored if 0.
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* @info: struct loop_info64 to configure the loop device with.
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*
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* This structure is used with the LOOP_CONFIGURE ioctl, and can be used to
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* atomically setup and configure all loop device parameters at once.
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*/
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struct loop_config {
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__u32 fd;
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__u32 block_size;
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struct loop_info64 info;
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__u64 __reserved[8];
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};
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#endif
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#endif
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