diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-25 14:22:08 +0200 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-25 14:22:08 +0200 |
commit | 73c47f6c41c97fb452b4747088543f2c2166830a (patch) | |
tree | 7caf2112b732b4294a85a382de7d0a5a7265fa19 /util-linux/volume_id/unused_minix.c | |
parent | 5c123ac2082530ef4426737183ff76fe4595e1ff (diff) | |
download | busybox-73c47f6c41c97fb452b4747088543f2c2166830a.tar.gz |
volume_id: enable minix detection
function old new delta
volume_id_probe_minix - 87 +87
fs2 64 68 +4
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 1/0 up/down: 91/0) Total: 91 bytes
Patch by wdlkmpx <wdlkmpx@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux/volume_id/unused_minix.c')
-rw-r--r-- | util-linux/volume_id/unused_minix.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/util-linux/volume_id/unused_minix.c b/util-linux/volume_id/unused_minix.c deleted file mode 100644 index 443dbc272..000000000 --- a/util-linux/volume_id/unused_minix.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * volume_id - reads filesystem label and uuid - * - * Copyright (C) 2005 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 - */ - -//kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_MINIX) += minix.o - -//config:### config FEATURE_VOLUMEID_MINIX -//config:### bool "minix filesystem" -//config:### default y -//config:### depends on VOLUMEID - -#include "volume_id_internal.h" - -struct minix_super_block { - uint16_t s_ninodes; - uint16_t s_nzones; - uint16_t s_imap_blocks; - uint16_t s_zmap_blocks; - uint16_t s_firstdatazone; - uint16_t s_log_zone_size; - uint32_t s_max_size; - uint16_t s_magic; - uint16_t s_state; - uint32_t s_zones; -} PACKED; - -#define MINIX_SUPERBLOCK_OFFSET 0x400 - -int FAST_FUNC volume_id_probe_minix(struct volume_id *id, uint64_t off) -{ - struct minix_super_block *ms; - - dbg("probing at offset 0x%llx", (unsigned long long) off); - - ms = volume_id_get_buffer(id, off + MINIX_SUPERBLOCK_OFFSET, 0x200); - if (ms == NULL) - return -1; - - if (ms->s_magic == cpu_to_le16(0x137f)) { -// id->type_version[0] = '1'; - goto found; - } - - if (ms->s_magic == cpu_to_le16(0x1387)) { -// id->type_version[0] = '1'; - goto found; - } - - if (ms->s_magic == cpu_to_le16(0x2468)) { -// id->type_version[0] = '2'; - goto found; - } - - if (ms->s_magic == cpu_to_le16(0x2478)) { -// id->type_version[0] = '2'; - goto found; - } - - return -1; - - found: -// id->type_version[1] = '\0'; -// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); -// id->type = "minix"; - return 0; -} |