diff options
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index efb7158..fe4093c 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -2,10 +2,14 @@ #ifndef __BTRFS_DISK_IO_H__ #define __BTRFS_DISK_IO_H__ +#include <linux/sizes.h> +#include <fs_internal.h> #include "crypto/hash.h" #include "ctree.h" #include "disk-io.h" +#define BTRFS_SUPER_INFO_OFFSET SZ_64K +#define BTRFS_SUPER_INFO_SIZE SZ_4K static inline u64 btrfs_name_hash(const char *name, int len) { u32 crc; @@ -17,4 +21,7 @@ static inline u64 btrfs_name_hash(const char *name, int len) int btrfs_csum_data(u16 csum_type, const u8 *data, u8 *out, size_t len); +int btrfs_read_dev_super(struct blk_desc *desc, struct disk_partition *part, + struct btrfs_super_block *sb); +int btrfs_read_superblock(void); #endif |