forgot to svn add util-linux/minix.h :(

1 files changed, 76 insertions, 0 deletions

diff --git a/util-linux/minix.h b/util-linux/minix.h
new file mode 100644
index 0000000..476f327
--- /dev/null
+++ b/util-linux/minix.h
@@ -0,0 +1,76 @@
+/*
+ * This is the original minix inode layout on disk.
+ * Note the 8-bit gid and atime and ctime.
+ */
+struct minix1_inode {
+	uint16_t i_mode;
+	uint16_t i_uid;
+	uint32_t i_size;
+	uint32_t i_time;
+	uint8_t  i_gid;
+	uint8_t  i_nlinks;
+	uint16_t i_zone[9];
+};
+
+/*
+ * The new minix inode has all the time entries, as well as
+ * long block numbers and a third indirect block (7+1+1+1
+ * instead of 7+1+1). Also, some previously 8-bit values are
+ * now 16-bit. The inode is now 64 bytes instead of 32.
+ */
+struct minix2_inode {
+	uint16_t i_mode;
+	uint16_t i_nlinks;
+	uint16_t i_uid;
+	uint16_t i_gid;
+	uint32_t i_size;
+	uint32_t i_atime;
+	uint32_t i_mtime;
+	uint32_t i_ctime;
+	uint32_t i_zone[10];
+};
+
+/*
+ * minix super-block data on disk
+ */
+struct minix_super_block {
+	uint16_t s_ninodes;
+	uint16_t s_nzones;
+	uint16_t s_imap_blocks;
+	uint16_t s_zmap_blocks;
+	uint16_t s_firstdatazone;
+	uint16_t s_log_zone_size;
+	uint32_t s_max_size;
+	uint16_t s_magic;
+	uint16_t s_state;
+	uint32_t s_zones;
+};
+
+struct minix_dir_entry {
+	uint16_t inode;
+	char name[0];
+};
+
+/* Believe it or not, but mount.h has this one #defined */
+#undef BLOCK_SIZE
+
+enum {
+	BLOCK_SIZE              = 1024,
+	BITS_PER_BLOCK          = BLOCK_SIZE << 3,
+
+	MINIX_ROOT_INO          = 1,
+	MINIX_BAD_INO           = 2,
+
+	MINIX1_SUPER_MAGIC      = 0x137F,       /* original minix fs */
+	MINIX1_SUPER_MAGIC2     = 0x138F,       /* minix fs, 30 char names */
+	MINIX2_SUPER_MAGIC      = 0x2468,       /* minix V2 fs */
+	MINIX2_SUPER_MAGIC2     = 0x2478,       /* minix V2 fs, 30 char names */
+	MINIX_VALID_FS          = 0x0001,       /* clean fs */
+	MINIX_ERROR_FS          = 0x0002,       /* fs has errors */
+
+	INODE_SIZE1             = sizeof(struct minix1_inode),
+	INODE_SIZE2             = sizeof(struct minix2_inode),
+	MINIX1_INODES_PER_BLOCK = BLOCK_SIZE / sizeof(struct minix1_inode),
+	MINIX2_INODES_PER_BLOCK = BLOCK_SIZE / sizeof(struct minix2_inode),
+};
+