From: Karel Zak Date: Mon, 15 Sep 2008 12:11:23 +0000 (+0200) Subject: blkid: add ext{2,3,4,4devel} support X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e7e30e4b6f4cdd5de6ce8f4a8c92c1a3a3bbf10;p=util-linux blkid: add ext{2,3,4,4devel} support Signed-off-by: Karel Zak --- diff --git a/libs/blkid/src/blkidP.h b/libs/blkid/src/blkidP.h index 98fb7ff6..56e569f3 100644 --- a/libs/blkid/src/blkidP.h +++ b/libs/blkid/src/blkidP.h @@ -262,6 +262,7 @@ extern int blkid_probe_set_utf8label(blkid_probe pr, unsigned char *label, extern int blkid_probe_sprintf_uuid(blkid_probe pr, unsigned char *uuid, size_t len, const char *fmt, ...); extern int blkid_probe_set_uuid(blkid_probe pr, unsigned char *uuid); +extern int blkid_probe_set_uuid_as(blkid_probe pr, unsigned char *uuid, const char *name); #define BLKID_ENC_UTF16BE 0 diff --git a/libs/blkid/src/probe.c b/libs/blkid/src/probe.c index 4f99d088..c8b29474 100644 --- a/libs/blkid/src/probe.c +++ b/libs/blkid/src/probe.c @@ -48,7 +48,12 @@ static const struct blkid_idinfo *idinfos[] = &pdcraid_idinfo, &silraid_idinfo, &viaraid_idinfo, - &linuxraid_idinfo + &linuxraid_idinfo, + &ext4dev_idinfo, + &ext4_idinfo, + &ext3_idinfo, + &ext2_idinfo, + &jbd_idinfo }; #ifndef ARRAY_SIZE @@ -639,20 +644,23 @@ int blkid_probe_sprintf_uuid(blkid_probe pr, unsigned char *uuid, } /* default _set_uuid function to set DCE UUIDs */ -int blkid_probe_set_uuid(blkid_probe pr, unsigned char *uuid) +int blkid_probe_set_uuid_as(blkid_probe pr, unsigned char *uuid, const char *name) { struct blkid_prval *v; if (uuid_is_empty(uuid, 16)) return 0; - if ((pr->probreq & BLKID_PROBREQ_UUIDRAW) && - blkid_probe_set_value(pr, "UUID_RAW", uuid, 16) < 0) - return -1; - if (!(pr->probreq & BLKID_PROBREQ_UUID)) - return 0; + if (!name) { + if ((pr->probreq & BLKID_PROBREQ_UUIDRAW) && + blkid_probe_set_value(pr, "UUID_RAW", uuid, 16) < 0) + return -1; + if (!(pr->probreq & BLKID_PROBREQ_UUID)) + return 0; - v = blkid_probe_assign_value(pr, "UUID"); + v = blkid_probe_assign_value(pr, "UUID"); + } else + v = blkid_probe_assign_value(pr, name); #ifdef HAVE_LIBUUID { @@ -672,6 +680,11 @@ int blkid_probe_set_uuid(blkid_probe pr, unsigned char *uuid) return 0; } +int blkid_probe_set_uuid(blkid_probe pr, unsigned char *uuid) +{ + return blkid_probe_set_uuid_as(pr, uuid, NULL); +} + int blkid_probe_get_value(blkid_probe pr, int num, const char **name, unsigned char **data, size_t *len) { diff --git a/libs/blkid/src/probers/Makefile.am b/libs/blkid/src/probers/Makefile.am index 9331636c..59acd9e6 100644 --- a/libs/blkid/src/probers/Makefile.am +++ b/libs/blkid/src/probers/Makefile.am @@ -16,6 +16,7 @@ libprobers_a_SOURCES = probers.h \ promise_raid.c \ silicon_raid.c \ via_raid.c \ - linux_raid.c + linux_raid.c \ + ext.c all-local: $(lib_LIBRARIES) diff --git a/libs/blkid/src/probers/ext.c b/libs/blkid/src/probers/ext.c new file mode 100644 index 00000000..7b5545ed --- /dev/null +++ b/libs/blkid/src/probers/ext.c @@ -0,0 +1,534 @@ +/* + * Copyright (C) 1999, 2001 by Andries Brouwer + * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o + * Copyright (C) 2008 Karel Zak + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This file 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 General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "blkidP.h" + +struct ext2_super_block { + uint32_t s_inodes_count; + uint32_t s_blocks_count; + uint32_t s_r_blocks_count; + uint32_t s_free_blocks_count; + uint32_t s_free_inodes_count; + uint32_t s_first_data_block; + uint32_t s_log_block_size; + uint32_t s_dummy3[7]; + unsigned char s_magic[2]; + uint16_t s_state; + uint16_t s_errors; + uint16_t s_minor_rev_level; + uint32_t s_lastcheck; + uint32_t s_checkinterval; + uint32_t s_creator_os; + uint32_t s_rev_level; + uint16_t s_def_resuid; + uint16_t s_def_resgid; + uint32_t s_first_ino; + uint16_t s_inode_size; + uint16_t s_block_group_nr; + uint32_t s_feature_compat; + uint32_t s_feature_incompat; + uint32_t s_feature_ro_compat; + unsigned char s_uuid[16]; + char s_volume_name[16]; + char s_last_mounted[64]; + uint32_t s_algorithm_usage_bitmap; + uint8_t s_prealloc_blocks; + uint8_t s_prealloc_dir_blocks; + uint16_t s_reserved_gdt_blocks; + uint8_t s_journal_uuid[16]; + uint32_t s_journal_inum; + uint32_t s_journal_dev; + uint32_t s_last_orphan; + uint32_t s_hash_seed[4]; + uint8_t s_def_hash_version; + uint8_t s_jnl_backup_type; + uint16_t s_reserved_word_pad; + uint32_t s_default_mount_opts; + uint32_t s_first_meta_bg; + uint32_t s_mkfs_time; + uint32_t s_jnl_blocks[17]; + uint32_t s_blocks_count_hi; + uint32_t s_r_blocks_count_hi; + uint32_t s_free_blocks_hi; + uint16_t s_min_extra_isize; + uint16_t s_want_extra_isize; + uint32_t s_flags; + uint16_t s_raid_stride; + uint16_t s_mmp_interval; + uint64_t s_mmp_block; + uint32_t s_raid_stripe_width; + uint32_t s_reserved[163]; +}; + +/* magic string */ +#define EXT_SB_MAGIC "\123\357" +/* supper block offset */ +#define EXT_SB_OFF 0x400 +/* supper block offset in kB */ +#define EXT_SB_KBOFF (EXT_SB_OFF >> 10) +/* magic string offset within super block */ +#define EXT_MAG_OFF 0x38 + + + +/* for s_flags */ +#define EXT2_FLAGS_TEST_FILESYS 0x0004 + +/* for s_feature_compat */ +#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 + +/* for s_feature_ro_compat */ +#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 +#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 +#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 +#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 +#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 +#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 +#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 + +/* for s_feature_incompat */ +#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 +#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 +#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 +#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 +#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */ +#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 +#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 +#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 + +#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ + EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ + EXT2_FEATURE_RO_COMPAT_BTREE_DIR) +#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ + EXT2_FEATURE_INCOMPAT_META_BG) +#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED ~EXT2_FEATURE_INCOMPAT_SUPP +#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT2_FEATURE_RO_COMPAT_SUPP + +#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ + EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ + EXT2_FEATURE_RO_COMPAT_BTREE_DIR) +#define EXT3_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ + EXT3_FEATURE_INCOMPAT_RECOVER| \ + EXT2_FEATURE_INCOMPAT_META_BG) +#define EXT3_FEATURE_INCOMPAT_UNSUPPORTED ~EXT3_FEATURE_INCOMPAT_SUPP +#define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT3_FEATURE_RO_COMPAT_SUPP + + +#ifdef FUCK + +/* for s_flags */ +#define EXT2_FLAGS_TEST_FILESYS 0x0004 + +/* for s_feature_compat */ +#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 + +/* for s_feature_ro_compat */ +#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 +#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 +#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 +#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 +#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 +#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 +#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 + +/* for s_feature_incompat */ +#define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 +#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 +#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 +#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 +#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */ +#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 +#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 +#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 + +#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ + EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ + EXT2_FEATURE_RO_COMPAT_BTREE_DIR) +#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ + EXT2_FEATURE_INCOMPAT_META_BG) +#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED ~EXT2_FEATURE_INCOMPAT_SUPP +#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT2_FEATURE_RO_COMPAT_SUPP + +#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ + EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ + EXT2_FEATURE_RO_COMPAT_BTREE_DIR) +#define EXT3_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ + EXT3_FEATURE_INCOMPAT_RECOVER| \ + EXT2_FEATURE_INCOMPAT_META_BG) +#define EXT3_FEATURE_INCOMPAT_UNSUPPORTED (~EXT3_FEATURE_INCOMPAT_SUPP) +#define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED (~EXT3_FEATURE_RO_COMPAT_SUPP) + +#endif + +/* + * reads superblock and returns: + * fc = feature_compat + * fi = feature_incompat + * frc = feature_ro_compat + */ +static struct ext2_super_block *ext_get_super( + blkid_probe pr, uint32_t *fc, uint32_t *fi, uint32_t *frc) +{ + struct ext2_super_block *es; + + es = (struct ext2_super_block *) + blkid_probe_get_buffer(pr, EXT_SB_OFF, 0x200); + if (!es) + return NULL; + if (fc) + *fc = le32_to_cpu(es->s_feature_compat); + if (fi) + *fi = le32_to_cpu(es->s_feature_incompat); + if (frc) + *frc = le32_to_cpu(es->s_feature_ro_compat); + + return es; +} + +static void ext_get_info(blkid_probe pr, int ver, struct ext2_super_block *es) +{ + DBG(DEBUG_PROBE, printf("ext2_sb.compat = %08X:%08X:%08X\n", + le32_to_cpu(es->s_feature_compat), + le32_to_cpu(es->s_feature_incompat), + le32_to_cpu(es->s_feature_ro_compat))); + + if (strlen(es->s_volume_name)) + blkid_probe_set_label(pr, (unsigned char *) es->s_volume_name, + sizeof(es->s_volume_name)); + blkid_probe_set_uuid(pr, es->s_uuid); + + if (le32_to_cpu(es->s_feature_compat) & EXT3_FEATURE_COMPAT_HAS_JOURNAL) + blkid_probe_set_uuid_as(pr, es->s_journal_uuid, "EXT_JOURNAL"); + + if (ver != 2 && (pr->probreq & BLKID_PROBREQ_SECTYPE) && + ((le32_to_cpu(es->s_feature_incompat) & EXT2_FEATURE_INCOMPAT_UNSUPPORTED) == 0)) + blkid_probe_sprintf_version(pr, "%u.%u", + le32_to_cpu(es->s_rev_level), le16_to_cpu(es->s_minor_rev_level)); +} + + +static int probe_jbd(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct ext2_super_block *es; + uint32_t fi; + + es = ext_get_super(pr, NULL, &fi, NULL); + if (!es) + return -BLKID_ERR_PARAM; + if (!(fi & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)) + return -BLKID_ERR_PARAM; + + ext_get_info(pr, 2, es); + return 0; +} + +static int probe_ext2(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct ext2_super_block *es; + uint32_t fc, frc, fi; + + es = ext_get_super(pr, &fc, &fi, &frc); + if (!es) + return -BLKID_ERR_PARAM; + + /* Distinguish between ext3 and ext2 */ + if (fc & EXT3_FEATURE_COMPAT_HAS_JOURNAL) + return -BLKID_ERR_PARAM; + + /* Any features which ext2 doesn't understand */ + if ((frc & EXT2_FEATURE_RO_COMPAT_UNSUPPORTED) || + (fi & EXT2_FEATURE_INCOMPAT_UNSUPPORTED)) + return -BLKID_ERR_PARAM; + + ext_get_info(pr, 2, es); + return 0; +} + +static int probe_ext3(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct ext2_super_block *es; + uint32_t fc, frc, fi; + + es = ext_get_super(pr, &fc, &fi, &frc); + if (!es) + return -BLKID_ERR_PARAM; + + /* Distinguish from ext4dev */ + if (le32_to_cpu(es->s_flags) & EXT2_FLAGS_TEST_FILESYS) + return -BLKID_ERR_PARAM; + + /* ext3 requires journal */ + if (!(fc & EXT3_FEATURE_COMPAT_HAS_JOURNAL)) + return -BLKID_ERR_PARAM; + + /* Any features which ext3 doesn't understand */ + if ((frc & EXT3_FEATURE_RO_COMPAT_UNSUPPORTED) || + (fi & EXT3_FEATURE_INCOMPAT_UNSUPPORTED)) + return -BLKID_ERR_PARAM; + + ext_get_info(pr, 3, es); + return 0; +} + +/*** + * PLEASE, close your eyes and press PageDown quickly. + * + * ... the code below is ugly heuristic to detect if + * system supports ext4 or ext4dev. + * --kzak + ****/ + +/* + * Check to see if a filesystem is in /proc/filesystems. + * Returns 1 if found, 0 if not + */ +static int fs_proc_check(const char *fs_name) +{ + FILE *f; + char buf[80], *cp, *t; + + f = fopen("/proc/filesystems", "r"); + if (!f) + return 0; + while (!feof(f)) { + if (!fgets(buf, sizeof(buf), f)) + break; + cp = buf; + if (!isspace(*cp)) { + while (*cp && !isspace(*cp)) + cp++; + } + while (*cp && isspace(*cp)) + cp++; + if ((t = strchr(cp, '\n')) != NULL) + *t = 0; + if ((t = strchr(cp, '\t')) != NULL) + *t = 0; + if ((t = strchr(cp, ' ')) != NULL) + *t = 0; + if (!strcmp(fs_name, cp)) { + fclose(f); + return 1; + } + } + fclose(f); + return (0); +} + +/* + * Check to see if a filesystem is available as a module + * Returns 1 if found, 0 if not + */ +static int check_for_modules(const char *fs_name) +{ + struct utsname uts; + FILE *f; + char buf[1024], *cp, *t; + int i; + + if (uname(&uts)) + return 0; + snprintf(buf, sizeof(buf), "/lib/modules/%s/modules.dep", uts.release); + + f = fopen(buf, "r"); + if (!f) + return 0; + while (!feof(f)) { + if (!fgets(buf, sizeof(buf), f)) + break; + if ((cp = strchr(buf, ':')) != NULL) + *cp = 0; + else + continue; + if ((cp = strrchr(buf, '/')) != NULL) + cp++; + i = strlen(cp); + if (i > 3) { + t = cp + i - 3; + if (!strcmp(t, ".ko")) + *t = 0; + } + if (!strcmp(cp, fs_name)) + return 1; + } + fclose(f); + return 0; +} + +static int system_supports_ext4(void) +{ + static time_t last_check = 0; + static int ret = -1; + time_t now = time(0); + + if (ret != -1 || (last_check - now) < 5) + return ret; + last_check = now; + ret = (fs_proc_check("ext4") || check_for_modules("ext4")); + return ret; +} + +static int system_supports_ext4dev(void) +{ + static time_t last_check = 0; + static int ret = -1; + time_t now = time(0); + + if (ret != -1 || (last_check - now) < 5) + return ret; + last_check = now; + ret = (fs_proc_check("ext4dev") || check_for_modules("ext4dev")); + return ret; +} + +static int probe_ext4dev(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct ext2_super_block *es; + uint32_t fc, frc, fi; + + es = ext_get_super(pr, &fc, &fi, &frc); + if (!es) + return -BLKID_ERR_PARAM; + + /* Distinguish from jbd */ + if (fi & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) + return -BLKID_ERR_PARAM; + + /* ext4dev requires a journal */ + if (!(fc & EXT3_FEATURE_COMPAT_HAS_JOURNAL)) + return -BLKID_ERR_PARAM; + + /* + * If the filesystem is marked as OK for use by in-development + * filesystem code, but ext4dev is not supported, and ext4 is, + * then don't call ourselves ext4dev, since we should be + * detected as ext4 in that case. + * + * If the filesystem is marked as in use by production + * filesystem, then it can only be used by ext4 and NOT by + * ext4dev, so always disclaim we are ext4dev in that case. + */ + if (le32_to_cpu(es->s_flags) & EXT2_FLAGS_TEST_FILESYS) { + if (!system_supports_ext4dev() && system_supports_ext4()) + return -BLKID_ERR_PARAM; + } else + return -BLKID_ERR_PARAM; + + ext_get_info(pr, 4, es); + return 0; +} + +static int probe_ext4(blkid_probe pr, const struct blkid_idmag *mag) +{ + struct ext2_super_block *es; + uint32_t fc, frc, fi; + + es = ext_get_super(pr, &fc, &fi, &frc); + if (!es) + return -1; + + /* Distinguish from jbd */ + if (fi & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) + return -BLKID_ERR_PARAM; + + /* ext4 requires journal */ + if (!(fc & EXT3_FEATURE_COMPAT_HAS_JOURNAL)) + return -BLKID_ERR_PARAM; + + /* Ext4 has at least one feature which ext3 doesn't understand */ + if (!(frc & EXT3_FEATURE_RO_COMPAT_UNSUPPORTED) && + !(fi & EXT3_FEATURE_INCOMPAT_UNSUPPORTED)) + return -BLKID_ERR_PARAM; + + /* + * If the filesystem is a OK for use by in-development + * filesystem code, and ext4dev is supported or ext4 is not + * supported, then don't call ourselves ext4, so we can redo + * the detection and mark the filesystem as ext4dev. + * + * If the filesystem is marked as in use by production + * filesystem, then it can only be used by ext4 and NOT by + * ext4dev. + */ + if (le32_to_cpu(es->s_flags) & EXT2_FLAGS_TEST_FILESYS) { + if (system_supports_ext4dev() || !system_supports_ext4()) + return -BLKID_ERR_PARAM; + } + ext_get_info(pr, 4, es); + return 0; +} + +#define BLKID_EXT_MAGICS \ + { \ + { \ + .magic = EXT_SB_MAGIC, \ + .len = sizeof(EXT_SB_MAGIC) - 1, \ + .kboff = EXT_SB_KBOFF, \ + .sboff = EXT_MAG_OFF \ + }, \ + { NULL } \ + } + +const struct blkid_idinfo jbd_idinfo = +{ + .name = "jbd", + .usage = BLKID_USAGE_OTHER, + .probefunc = probe_jbd, + .magics = BLKID_EXT_MAGICS +}; + +const struct blkid_idinfo ext2_idinfo = +{ + .name = "ext2", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_ext2, + .magics = BLKID_EXT_MAGICS +}; + +const struct blkid_idinfo ext3_idinfo = +{ + .name = "ext3", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_ext3, + .magics = BLKID_EXT_MAGICS +}; + +const struct blkid_idinfo ext4_idinfo = +{ + .name = "ext4", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_ext4, + .magics = BLKID_EXT_MAGICS +}; + +const struct blkid_idinfo ext4dev_idinfo = +{ + .name = "ext4dev", + .usage = BLKID_USAGE_FILESYSTEM, + .probefunc = probe_ext4dev, + .magics = BLKID_EXT_MAGICS +}; + diff --git a/libs/blkid/src/probers/probers.h b/libs/blkid/src/probers/probers.h index 694672c2..810e2649 100644 --- a/libs/blkid/src/probers/probers.h +++ b/libs/blkid/src/probers/probers.h @@ -28,5 +28,10 @@ extern const struct blkid_idinfo pdcraid_idinfo; extern const struct blkid_idinfo silraid_idinfo; extern const struct blkid_idinfo viaraid_idinfo; extern const struct blkid_idinfo linuxraid_idinfo; +extern const struct blkid_idinfo ext4dev_idinfo; +extern const struct blkid_idinfo ext4_idinfo; +extern const struct blkid_idinfo ext3_idinfo; +extern const struct blkid_idinfo ext2_idinfo; +extern const struct blkid_idinfo jbd_idinfo; #endif /* _BLKID_PROBE_H */