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    Contents of /trunk/mkinitrd-magellan/klibc/usr/kinit/fstype/btrfs.h

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    Revision 1122 - (show annotations) (download)
    Wed Aug 18 21:11:40 2010 UTC (13 years, 8 months ago) by niro
    File MIME type: text/plain
    File size: 1223 byte(s) 
    -updated to klibc-1.5.19
    1 #ifndef __BTRFS_H
    2 #define __BTRFS_H
    3
    4 # define BTRFS_MAGIC "_BHRfS_M"
    5 # define BTRFS_MAGIC_L 8
    6
    7 /*
    8 * Structure of the super block
    9 */
    10 struct btrfs_super_block {
    11 uint8_t csum[32];
    12 uint8_t fsid[16];
    13 uint64_t bytenr;
    14 uint64_t flags;
    15 uint8_t magic[8];
    16 uint64_t generation;
    17 uint64_t root;
    18 uint64_t chunk_root;
    19 uint64_t log_root;
    20 uint64_t log_root_transid;
    21 uint64_t total_bytes;
    22 uint64_t bytes_used;
    23 uint64_t root_dir_objectid;
    24 uint64_t num_devices;
    25 uint32_t sectorsize;
    26 uint32_t nodesize;
    27 uint32_t leafsize;
    28 uint32_t stripesize;
    29 uint32_t sys_chunk_array_size;
    30 uint64_t chunk_root_generation;
    31 uint64_t compat_flags;
    32 uint64_t compat_ro_flags;
    33 uint64_t incompat_flags;
    34 uint16_t csum_type;
    35 uint8_t root_level;
    36 uint8_t chunk_root_level;
    37 uint8_t log_root_level;
    38 struct btrfs_dev_item {
    39 uint64_t devid;
    40 uint64_t total_bytes;
    41 uint64_t bytes_used;
    42 uint32_t io_align;
    43 uint32_t io_width;
    44 uint32_t sector_size;
    45 uint64_t type;
    46 uint64_t generation;
    47 uint64_t start_offset;
    48 uint32_t dev_group;
    49 uint8_t seek_speed;
    50 uint8_t bandwidth;
    51 uint8_t uuid[16];
    52 uint8_t fsid[16];
    53 } __attribute__ ((__packed__)) dev_item;
    54 uint8_t label[256];
    55 } __attribute__ ((__packed__));
    56
    57 #endif /* __BTRFS_H */