diff options
Diffstat (limited to 'util-linux/volume_id/lvm.c')
-rw-r--r-- | util-linux/volume_id/lvm.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/util-linux/volume_id/lvm.c b/util-linux/volume_id/lvm.c deleted file mode 100644 index f9f9395..0000000 --- a/util-linux/volume_id/lvm.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "volume_id_internal.h" - -struct lvm1_super_block { - uint8_t id[2]; -} __attribute__((packed)); - -struct lvm2_super_block { - uint8_t id[8]; - uint64_t sector_xl; - uint32_t crc_xl; - uint32_t offset_xl; - uint8_t type[8]; -} __attribute__((packed)); - -#define LVM1_SB_OFF 0x400 - -int volume_id_probe_lvm1(struct volume_id *id, uint64_t off) -{ - const uint8_t *buf; - struct lvm1_super_block *lvm; - - dbg("probing at offset 0x%llx", (unsigned long long) off); - - buf = volume_id_get_buffer(id, off + LVM1_SB_OFF, 0x800); - if (buf == NULL) - return -1; - - lvm = (struct lvm1_super_block *) buf; - - if (lvm->id[0] != 'H' || lvm->id[1] != 'M') - return -1; - -// volume_id_set_usage(id, VOLUME_ID_RAID); -// id->type = "LVM1_member"; - - return 0; -} - -#define LVM2_LABEL_ID "LABELONE" -#define LVM2LABEL_SCAN_SECTORS 4 - -int volume_id_probe_lvm2(struct volume_id *id, uint64_t off) -{ - const uint8_t *buf; - unsigned soff; - struct lvm2_super_block *lvm; - - dbg("probing at offset 0x%llx", (unsigned long long) off); - - buf = volume_id_get_buffer(id, off, LVM2LABEL_SCAN_SECTORS * 0x200); - if (buf == NULL) - return -1; - - - for (soff = 0; soff < LVM2LABEL_SCAN_SECTORS * 0x200; soff += 0x200) { - lvm = (struct lvm2_super_block *) &buf[soff]; - - if (memcmp(lvm->id, LVM2_LABEL_ID, 8) == 0) - goto found; - } - - return -1; - - found: -// memcpy(id->type_version, lvm->type, 8); -// volume_id_set_usage(id, VOLUME_ID_RAID); -// id->type = "LVM2_member"; - - return 0; -} |