Changeset c00e729 in mainline for uspace/lib/ext2/libext2.h

Timestamp:

2011-02-13T23:19:12Z (14 years ago)

Author:

Martin Sucha <sucha14@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f6fa2c2

Parents:

8bd5dad

Message:

Support for some more superblock fields and displaying in ext2info

File:

• uspace/lib/ext2/libext2.h (modified) (3 diffs)

uspace/lib/ext2/libext2.h

@@ -50 +50 @@
         uint8_t         unused2[12];
         uint16_t        magic; // Magic value
+        uint16_t        state; // State (mounted/unmounted)
+        uint16_t        rev_minor; // Minor revision level
+        uint8_t         unused3[12];
+        uint32_t        creator_os;
+        uint32_t        rev_major; // Major revision level
+        uint8_t         unused4[8];
+        
+        // Following is for ext2 revision 1 only
+        uint32_t        first_inode;
+        uint16_t        inode_size;
+        uint8_t         unused5[14];
+        uint8_t         uuid[16]; // UUID TODO: Create a library for UUIDs
+        uint8_t         volume_name[16];
 
 // TODO: add __attribute__((aligned(...)) for better performance?
@@ -69 +82 @@
 // allow maximum this block size
 #define EXT2_MAX_BLOCK_SIZE                     8096
+#define EXT2_REV0_FIRST_INODE           11
+#define EXT2_REV0_INODE_SIZE            128
 
 inline uint16_t ext2_superblock_get_magic(ext2_superblock_t *);
@@ -78 +93 @@
 inline uint32_t ext2_superblock_get_blocks_per_group(ext2_superblock_t *);
 inline uint32_t ext2_superblock_get_fragments_per_group(ext2_superblock_t *);
+inline uint16_t ext2_superblock_get_state(ext2_superblock_t *);
+inline uint16_t ext2_superblock_get_rev_minor(ext2_superblock_t *);
+inline uint32_t ext2_superblock_get_rev_major(ext2_superblock_t *);
+inline uint32_t ext2_superblock_get_creator_os(ext2_superblock_t *);
+inline uint32_t ext2_superblock_get_first_inode(ext2_superblock_t *);
+inline uint16_t ext2_superblock_get_inode_size(ext2_superblock_t *);
 
 extern int ext2_superblock_read_direct(devmap_handle_t, ext2_superblock_t **);