Add superblock layout for minix3 filesystem support.
Signed-off-by: Davidlohr Bueso <dave@xxxxxxx>
---
disk-utils/minix.h | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/disk-utils/minix.h b/disk-utils/minix.h
index 638565e..8952792 100644
--- a/disk-utils/minix.h
+++ b/disk-utils/minix.h
@@ -44,6 +44,24 @@ struct minix_super_block {
u32 s_zones;
};
+/* V3 minix super-block data on disk */
+struct minix3_super_block {
+ u32 s_ninodes;
+ u16 s_pad0;
+ u16 s_imap_blocks;
+ u16 s_zmap_blocks;
+ u16 s_firstdatazone;
+ u16 s_log_zone_size;
+ u16 s_pad1;
+ u32 s_max_size;
+ u32 s_zones;
+ u16 s_magic;
+ u16 s_pad2;
+ u16 s_blocksize;
+ u8 s_disk_version;
+ u16 s_state;
+};
+
#define BLOCK_SIZE_BITS 10
#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
@@ -59,5 +77,6 @@ struct minix_super_block {
#define MINIX_SUPER_MAGIC2 0x138F /* minix fs, 30 char names */
#define MINIX2_SUPER_MAGIC 0x2468 /* minix V2 fs */
#define MINIX2_SUPER_MAGIC2 0x2478 /* minix V2 fs, 30 char names */
+#define MINIX3_SUPER_MAGIC 0x4d5a /* minix V3 fs (60 char names) */
#endif /* KERNEL_INCLUDES_ARE_CLEAN */
--
1.7.1
--
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