diff options
Diffstat (limited to 'ctree.h')
| -rw-r--r-- | ctree.h | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -14,6 +14,8 @@ struct btrfs_trans_handle; #define BTRFS_FS_TREE_OBJECTID 4 #define BTRFS_FIRST_FREE_OBJECTID 5 +#define BTRFS_CSUM_SIZE 32 + /* * the key defines the order in the tree, and so it also defines (optimal) * block layout. objectid corresonds to the inode number. The flags @@ -44,7 +46,7 @@ struct btrfs_key { * every tree block (leaf or node) starts with this header. */ struct btrfs_header { - __le32 csum[8]; + u8 csum[BTRFS_CSUM_SIZE]; u8 fsid[16]; /* FS specific uuid */ __le64 blocknr; /* which block this node is supposed to live in */ __le64 generation; @@ -68,8 +70,8 @@ struct btrfs_buffer; * it currently lacks any block count etc etc */ struct btrfs_super_block { + u8 csum[BTRFS_CSUM_SIZE]; /* the first 3 fields must match struct btrfs_header */ - __le32 csum[8]; u8 fsid[16]; /* FS specific uuid */ __le64 blocknr; /* this block number */ __le64 magic; @@ -140,7 +142,7 @@ struct btrfs_extent_item { } __attribute__ ((__packed__)); struct btrfs_inode_timespec { - __le32 sec; + __le64 sec; __le32 nsec; } __attribute__ ((__packed__)); @@ -207,10 +209,15 @@ struct btrfs_file_extent_item { __le64 num_blocks; } __attribute__ ((__packed__)); +struct btrfs_csum_item { + u8 csum[BTRFS_CSUM_SIZE]; +} __attribute__ ((__packed__)); + struct btrfs_inode_map_item { struct btrfs_disk_key key; } __attribute__ ((__packed__)); + struct btrfs_fs_info { struct btrfs_root *fs_root; struct btrfs_root *extent_root; |