diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2012-05-28 02:48:55 +0200 |
---|---|---|
committer | Denys Vlasenko <vda.linux@googlemail.com> | 2012-05-28 02:48:55 +0200 |
commit | aa4e5092f58f5a11018e569aee9cf037daf8c5d6 (patch) | |
tree | f8c01df8f7eb3dda4c0292df3548d9fced5e3297 /util-linux/volume_id | |
parent | f5234398ef3010b68468cafe3e2ea89b2bb08a17 (diff) | |
download | busybox-w32-1_20_1.tar.gz busybox-w32-1_20_1.tar.bz2 busybox-w32-1_20_1.zip |
Apply post-1.20.0 patches, bump version to 1.20.11_20_1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'util-linux/volume_id')
-rw-r--r-- | util-linux/volume_id/ext.c | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/util-linux/volume_id/ext.c b/util-linux/volume_id/ext.c index b5194a7b5..aa23d1ebf 100644 --- a/util-linux/volume_id/ext.c +++ b/util-linux/volume_id/ext.c | |||
@@ -39,10 +39,50 @@ struct ext2_super_block { | |||
39 | uint8_t volume_name[16]; | 39 | uint8_t volume_name[16]; |
40 | } PACKED; | 40 | } PACKED; |
41 | 41 | ||
42 | #define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x00000004 | ||
43 | #define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x00000008 | ||
44 | #define EXT_SUPERBLOCK_OFFSET 0x400 | 42 | #define EXT_SUPERBLOCK_OFFSET 0x400 |
45 | 43 | ||
44 | /* for s_flags */ | ||
45 | #define EXT2_FLAGS_TEST_FILESYS 0x0004 | ||
46 | |||
47 | /* for s_feature_compat */ | ||
48 | #define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004 | ||
49 | |||
50 | /* for s_feature_ro_compat */ | ||
51 | #define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 | ||
52 | #define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 | ||
53 | #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 | ||
54 | #define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 | ||
55 | #define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 | ||
56 | #define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 | ||
57 | #define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 | ||
58 | |||
59 | /* for s_feature_incompat */ | ||
60 | #define EXT2_FEATURE_INCOMPAT_FILETYPE 0x0002 | ||
61 | #define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 | ||
62 | #define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 | ||
63 | #define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 | ||
64 | #define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */ | ||
65 | #define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 | ||
66 | #define EXT4_FEATURE_INCOMPAT_MMP 0x0100 | ||
67 | #define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 | ||
68 | |||
69 | #define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ | ||
70 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ | ||
71 | EXT2_FEATURE_RO_COMPAT_BTREE_DIR) | ||
72 | #define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ | ||
73 | EXT2_FEATURE_INCOMPAT_META_BG) | ||
74 | #define EXT2_FEATURE_INCOMPAT_UNSUPPORTED ~EXT2_FEATURE_INCOMPAT_SUPP | ||
75 | #define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT2_FEATURE_RO_COMPAT_SUPP | ||
76 | |||
77 | #define EXT3_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ | ||
78 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ | ||
79 | EXT2_FEATURE_RO_COMPAT_BTREE_DIR) | ||
80 | #define EXT3_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \ | ||
81 | EXT3_FEATURE_INCOMPAT_RECOVER| \ | ||
82 | EXT2_FEATURE_INCOMPAT_META_BG) | ||
83 | #define EXT3_FEATURE_INCOMPAT_UNSUPPORTED ~EXT3_FEATURE_INCOMPAT_SUPP | ||
84 | #define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT3_FEATURE_RO_COMPAT_SUPP | ||
85 | |||
46 | int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/) | 86 | int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/) |
47 | { | 87 | { |
48 | #define off ((uint64_t)0) | 88 | #define off ((uint64_t)0) |
@@ -66,11 +106,15 @@ int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/) | |||
66 | dbg("ext: label '%s' uuid '%s'", id->label, id->uuid); | 106 | dbg("ext: label '%s' uuid '%s'", id->label, id->uuid); |
67 | 107 | ||
68 | #if ENABLE_FEATURE_BLKID_TYPE | 108 | #if ENABLE_FEATURE_BLKID_TYPE |
69 | if ((le32_to_cpu(es->feature_compat) & EXT3_FEATURE_COMPAT_HAS_JOURNAL) != 0) | 109 | if ((es->feature_ro_compat & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_HUGE_FILE | EXT4_FEATURE_RO_COMPAT_DIR_NLINK)) |
110 | || (es->feature_incompat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_EXTENTS | EXT4_FEATURE_INCOMPAT_64BIT)) | ||
111 | ) { | ||
112 | id->type = "ext4"; | ||
113 | } | ||
114 | else if (es->feature_compat & cpu_to_le32(EXT3_FEATURE_COMPAT_HAS_JOURNAL)) | ||
70 | id->type = "ext3"; | 115 | id->type = "ext3"; |
71 | else | 116 | else |
72 | id->type = "ext2"; | 117 | id->type = "ext2"; |
73 | #endif | 118 | #endif |
74 | |||
75 | return 0; | 119 | return 0; |
76 | } | 120 | } |