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-rw-r--r--package/busybox/busybox-1.20.0/busybox-1.20.0-ext4.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/package/busybox/busybox-1.20.0/busybox-1.20.0-ext4.patch b/package/busybox/busybox-1.20.0/busybox-1.20.0-ext4.patch
new file mode 100644
index 000000000..d54ccf817
--- /dev/null
+++ b/package/busybox/busybox-1.20.0/busybox-1.20.0-ext4.patch
@@ -0,0 +1,73 @@
+--- busybox-1.20.0/util-linux/volume_id/ext.c
++++ busybox-1.20.0-ext4/util-linux/volume_id/ext.c
+@@ -39,10 +39,50 @@ struct ext2_super_block {
+ uint8_t volume_name[16];
+ } PACKED;
+
+-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x00000004
+-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x00000008
+ #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)
+@@ -66,11 +106,15 @@ int FAST_FUNC volume_id_probe_ext(struct
+ dbg("ext: label '%s' uuid '%s'", id->label, id->uuid);
+
+ #if ENABLE_FEATURE_BLKID_TYPE
+- if ((le32_to_cpu(es->feature_compat) & EXT3_FEATURE_COMPAT_HAS_JOURNAL) != 0)
++ 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))
++ ) {
++ id->type = "ext4";
++ }
++ else if (es->feature_compat & cpu_to_le32(EXT3_FEATURE_COMPAT_HAS_JOURNAL))
+ id->type = "ext3";
+ else
+ id->type = "ext2";
+ #endif
+-
+ return 0;
+ }