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893009644f
function old new delta volume_id_probe_iso9660 324 327 +3 volume_id_probe_vfat 902 903 +1 volume_id_probe_udf 576 577 +1 volume_id_probe_ntfs 314 315 +1 uuidcache_check_device 292 291 -1 volume_id_probe_xfs 87 85 -2 volume_id_probe_sysv 165 163 -2 volume_id_probe_romfs 89 87 -2 volume_id_probe_reiserfs 236 234 -2 volume_id_probe_ocfs2 96 94 -2 volume_id_probe_luks 78 76 -2 volume_id_probe_linux_swap 165 163 -2 volume_id_probe_jfs 96 94 -2 volume_id_probe_hfs_hfsplus 795 793 -2 volume_id_probe_ext 82 80 -2 volume_id_probe_cramfs 59 57 -2 volume_id_probe_btrfs 96 94 -2 free_volume_id 36 31 -5 volume_id_probe_linux_raid 127 119 -8 volume_id_probe_all 152 138 -14 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 4/16 up/down: 6/-52) Total: -46 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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* volume_id - reads filesystem label and uuid
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*
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* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the 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,
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* but 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "volume_id_internal.h"
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struct isw_meta {
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uint8_t sig[32];
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uint32_t check_sum;
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uint32_t mpb_size;
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uint32_t family_num;
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uint32_t generation_num;
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} PACKED;
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#define ISW_SIGNATURE "Intel Raid ISM Cfg Sig. "
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int FAST_FUNC volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size)
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{
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uint64_t meta_off;
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struct isw_meta *isw;
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dbg("probing at offset 0x%llx, size 0x%llx",
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(unsigned long long) off, (unsigned long long) size);
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if (size < 0x10000)
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return -1;
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meta_off = ((size / 0x200)-2) * 0x200;
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isw = volume_id_get_buffer(id, off + meta_off, 0x200);
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if (isw == NULL)
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return -1;
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if (memcmp(isw->sig, ISW_SIGNATURE, sizeof(ISW_SIGNATURE)-1) != 0)
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return -1;
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// volume_id_set_usage(id, VOLUME_ID_RAID);
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// memcpy(id->type_version, &isw->sig[sizeof(ISW_SIGNATURE)-1], 6);
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// id->type = "isw_raid_member";
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return 0;
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}
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