66 lines
2.4 KiB
Diff
66 lines
2.4 KiB
Diff
Index: e2fsprogs-1.39+1.40_WIP_20061114/lib/blkid/probe.c
|
|
===================================================================
|
|
--- e2fsprogs-1.39+1.40_WIP_20061114.orig/lib/blkid/probe.c
|
|
+++ e2fsprogs-1.39+1.40_WIP_20061114/lib/blkid/probe.c
|
|
@@ -148,6 +148,39 @@ static void get_ext2_info(blkid_dev dev,
|
|
set_uuid(dev, es->s_uuid, 0);
|
|
}
|
|
|
|
+static int probe_ext4(struct blkid_probe *probe,
|
|
+ struct blkid_magic *id __BLKID_ATTR((unused)),
|
|
+ unsigned char *buf)
|
|
+{
|
|
+ struct ext2_super_block *es;
|
|
+ es = (struct ext2_super_block *)buf;
|
|
+
|
|
+ /* Distinguish between jbd and ext2/3 fs */
|
|
+ if (blkid_le32(es->s_feature_incompat) &
|
|
+ EXT3_FEATURE_INCOMPAT_JOURNAL_DEV)
|
|
+ return -BLKID_ERR_PARAM;
|
|
+
|
|
+ /* Distinguish between ext3 and ext2 */
|
|
+ if (!(blkid_le32(es->s_feature_compat) &
|
|
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL))
|
|
+ return -BLKID_ERR_PARAM;
|
|
+
|
|
+ /* Distinguish between ext4 and ext3 */
|
|
+ if (!(blkid_le32(es->s_feature_incompat) &
|
|
+ EXT3_FEATURE_INCOMPAT_EXTENTS))
|
|
+ return -BLKID_ERR_PARAM;
|
|
+
|
|
+ get_ext2_info(probe->dev, buf);
|
|
+
|
|
+ if ((es->s_feature_incompat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
|
|
+ !uuid_is_null(es->s_journal_uuid))
|
|
+ set_uuid(probe->dev, es->s_journal_uuid, "EXT_JOURNAL");
|
|
+
|
|
+ blkid_set_tag(probe->dev, "SEC_TYPE", "ext2", sizeof("ext2"));
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int probe_ext3(struct blkid_probe *probe,
|
|
struct blkid_magic *id __BLKID_ATTR((unused)),
|
|
unsigned char *buf)
|
|
@@ -710,6 +743,7 @@ static struct blkid_magic type_array[] =
|
|
/* type kboff sboff len magic probe */
|
|
{ "oracleasm", 0, 32, 8, "ORCLDISK", probe_oracleasm },
|
|
{ "ntfs", 0, 3, 8, "NTFS ", 0 },
|
|
+ { "ext4dev", 1, 0x38, 2, "\123\357", probe_ext4 },
|
|
{ "jbd", 1, 0x38, 2, "\123\357", probe_jbd },
|
|
{ "ext3", 1, 0x38, 2, "\123\357", probe_ext3 },
|
|
{ "ext2", 1, 0x38, 2, "\123\357", probe_ext2 },
|
|
Index: e2fsprogs-1.39+1.40_WIP_20061114/lib/blkid/probe.h
|
|
===================================================================
|
|
--- e2fsprogs-1.39+1.40_WIP_20061114.orig/lib/blkid/probe.h
|
|
+++ e2fsprogs-1.39+1.40_WIP_20061114/lib/blkid/probe.h
|
|
@@ -87,6 +87,8 @@ struct ext2_super_block {
|
|
#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x00000004
|
|
#define EXT3_FEATURE_INCOMPAT_RECOVER 0x00000004
|
|
#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x00000008
|
|
+#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x00000040
|
|
+
|
|
|
|
struct xfs_super_block {
|
|
unsigned char xs_magic[4];
|