diff options
| -rw-r--r-- | include/bb_e2fs_defs.h | 33 | ||||
| -rw-r--r-- | util-linux/volume_id/ext.c | 74 |
2 files changed, 35 insertions, 72 deletions
diff --git a/include/bb_e2fs_defs.h b/include/bb_e2fs_defs.h index 7974497..071c660 100644 --- a/include/bb_e2fs_defs.h +++ b/include/bb_e2fs_defs.h @@ -463,6 +463,7 @@ struct ext2_super_block { #define EXT2_HAS_INCOMPAT_FEATURE(sb,mask) \ ( EXT2_SB(sb)->s_feature_incompat & (mask) ) +/* for s_feature_compat */ #define EXT2_FEATURE_COMPAT_DIR_PREALLOC 0x0001 #define EXT2_FEATURE_COMPAT_IMAGIC_INODES 0x0002 #define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 @@ -470,23 +471,45 @@ struct ext2_super_block { #define EXT2_FEATURE_COMPAT_RESIZE_INO 0x0010 #define EXT2_FEATURE_COMPAT_DIR_INDEX 0x0020 +/* 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 not used */ +#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 /* not used */ +#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_COMPRESSION 0x0001 #define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 -#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */ -#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */ +#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 +#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 #define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 -#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 +#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 +#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 +#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 +#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 #define EXT2_FEATURE_COMPAT_SUPP 0 -#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE) #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) + /* * Default values for user and/or group using reserved blocks diff --git a/util-linux/volume_id/ext.c b/util-linux/volume_id/ext.c index aa23d1e..9745106 100644 --- a/util-linux/volume_id/ext.c +++ b/util-linux/volume_id/ext.c @@ -19,70 +19,10 @@ */ #include "volume_id_internal.h" - -struct ext2_super_block { - uint32_t inodes_count; - uint32_t blocks_count; - uint32_t r_blocks_count; - uint32_t free_blocks_count; - uint32_t free_inodes_count; - uint32_t first_data_block; - uint32_t log_block_size; - uint32_t dummy3[7]; - uint8_t magic[2]; - uint16_t state; - uint32_t dummy5[8]; - uint32_t feature_compat; - uint32_t feature_incompat; - uint32_t feature_ro_compat; - uint8_t uuid[16]; - uint8_t volume_name[16]; -} PACKED; +#include "bb_e2fs_defs.h" #define EXT_SUPERBLOCK_OFFSET 0x400 -/* 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 - int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/) { #define off ((uint64_t)0) @@ -94,24 +34,24 @@ int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/) if (es == NULL) return -1; - if (es->magic[0] != 0123 || es->magic[1] != 0357) { + if (es->s_magic != cpu_to_le16(EXT2_SUPER_MAGIC)) { dbg("ext: no magic found"); return -1; } // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM); // volume_id_set_label_raw(id, es->volume_name, 16); - volume_id_set_label_string(id, es->volume_name, 16); - volume_id_set_uuid(id, es->uuid, UUID_DCE); + volume_id_set_label_string(id, (void*)es->s_volume_name, 16); + volume_id_set_uuid(id, es->s_uuid, UUID_DCE); dbg("ext: label '%s' uuid '%s'", id->label, id->uuid); #if ENABLE_FEATURE_BLKID_TYPE - if ((es->feature_ro_compat & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_HUGE_FILE | EXT4_FEATURE_RO_COMPAT_DIR_NLINK)) - || (es->feature_incompat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_EXTENTS | EXT4_FEATURE_INCOMPAT_64BIT)) + if ((es->s_feature_ro_compat & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_HUGE_FILE | EXT4_FEATURE_RO_COMPAT_DIR_NLINK)) + || (es->s_feature_incompat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_EXTENTS | EXT4_FEATURE_INCOMPAT_64BIT)) ) { id->type = "ext4"; } - else if (es->feature_compat & cpu_to_le32(EXT3_FEATURE_COMPAT_HAS_JOURNAL)) + else if (es->s_feature_compat & cpu_to_le32(EXT3_FEATURE_COMPAT_HAS_JOURNAL)) id->type = "ext3"; else id->type = "ext2"; |