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90 lines
3.5 KiB
C#
90 lines
3.5 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Structs.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : NILFS2 filesystem plugin.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// ****************************************************************************/
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// ReSharper disable UnusedMember.Local
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using System;
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using System.Runtime.InteropServices;
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namespace Aaru.Filesystems;
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/// <inheritdoc />
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/// <summary>Implements detection of the New Implementation of a Log-structured File System v2</summary>
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public sealed partial class NILFS2
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{
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#region Nested type: Superblock
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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readonly struct Superblock
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{
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public readonly uint rev_level;
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public readonly ushort minor_rev_level;
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public readonly ushort magic;
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public readonly ushort bytes;
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public readonly ushort flags;
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public readonly uint crc_seed;
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public readonly uint sum;
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public readonly uint log_block_size;
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public readonly ulong nsegments;
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public readonly ulong dev_size;
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public readonly ulong first_data_block;
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public readonly uint blocks_per_segment;
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public readonly uint r_segments_percentage;
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public readonly ulong last_cno;
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public readonly ulong last_pseg;
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public readonly ulong last_seq;
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public readonly ulong free_blocks_count;
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public readonly ulong ctime;
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public readonly ulong mtime;
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public readonly ulong wtime;
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public readonly ushort mnt_count;
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public readonly ushort max_mnt_count;
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public readonly State state;
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public readonly ushort errors;
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public readonly ulong lastcheck;
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public readonly uint checkinterval;
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public readonly uint creator_os;
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public readonly ushort def_resuid;
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public readonly ushort def_resgid;
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public readonly uint first_ino;
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public readonly ushort inode_size;
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public readonly ushort dat_entry_size;
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public readonly ushort checkpoint_size;
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public readonly ushort segment_usage_size;
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public readonly Guid uuid;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 80)]
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public readonly byte[] volume_name;
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public readonly uint c_interval;
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public readonly uint c_block_max;
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public readonly ulong feature_compat;
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public readonly ulong feature_compat_ro;
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public readonly ulong feature_incompat;
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}
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#endregion
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} |