diff options
Diffstat (limited to 'volumes.h')
| -rw-r--r-- | volumes.h | 50 |
1 files changed, 24 insertions, 26 deletions
@@ -22,7 +22,7 @@ #include "kerncompat.h" #include "ctree.h" -#define BTRFS_STRIPE_LEN (64 * 1024) +#define BTRFS_STRIPE_LEN SZ_64K struct btrfs_device { struct list_head dev_list; @@ -179,72 +179,70 @@ static inline int check_crossing_stripes(struct btrfs_fs_info *fs_info, (bg_offset + len - 1) / BTRFS_STRIPE_LEN); } -int __btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw, +int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, u64 logical, u64 *length, u64 *type, struct btrfs_multi_bio **multi_ret, int mirror_num, u64 **raid_map); -int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw, +int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, u64 logical, u64 *length, struct btrfs_multi_bio **multi_ret, int mirror_num, u64 **raid_map_ret); -int btrfs_next_bg(struct btrfs_mapping_tree *map_tree, u64 *logical, +int btrfs_next_bg(struct btrfs_fs_info *map_tree, u64 *logical, u64 *size, u64 type); -static inline int btrfs_next_bg_metadata(struct btrfs_mapping_tree *map_tree, - u64 *logical, u64 *size) +static inline int btrfs_next_bg_metadata(struct btrfs_fs_info *fs_info, + u64 *logical, u64 *size) { - return btrfs_next_bg(map_tree, logical, size, + return btrfs_next_bg(fs_info, logical, size, BTRFS_BLOCK_GROUP_METADATA); } -static inline int btrfs_next_bg_system(struct btrfs_mapping_tree *map_tree, - u64 *logical, u64 *size) +static inline int btrfs_next_bg_system(struct btrfs_fs_info *fs_info, + u64 *logical, u64 *size) { - return btrfs_next_bg(map_tree, logical, size, + return btrfs_next_bg(fs_info, logical, size, BTRFS_BLOCK_GROUP_SYSTEM); } -int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, +int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start, u64 physical, u64 devid, u64 **logical, int *naddrs, int *stripe_len); -int btrfs_read_sys_array(struct btrfs_root *root); -int btrfs_read_chunk_tree(struct btrfs_root *root); +int btrfs_read_sys_array(struct btrfs_fs_info *fs_info); +int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info); int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 *start, + struct btrfs_fs_info *fs_info, u64 *start, u64 *num_bytes, u64 type); int btrfs_alloc_data_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *extent_root, u64 *start, + struct btrfs_fs_info *fs_info, u64 *start, u64 num_bytes, u64 type, int convert); -int btrfs_read_super_device(struct btrfs_root *root, struct extent_buffer *buf); -int btrfs_add_device(struct btrfs_trans_handle *trans, - struct btrfs_root *root, - struct btrfs_device *device); int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, int flags); int btrfs_close_devices(struct btrfs_fs_devices *fs_devices); void btrfs_close_all_devices(void); int btrfs_add_device(struct btrfs_trans_handle *trans, - struct btrfs_root *root, + struct btrfs_fs_info *fs_info, struct btrfs_device *device); int btrfs_update_device(struct btrfs_trans_handle *trans, struct btrfs_device *device); int btrfs_scan_one_device(int fd, const char *path, struct btrfs_fs_devices **fs_devices_ret, u64 *total_devs, u64 super_offset, unsigned sbflags); -int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len); +int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len); struct list_head *btrfs_scanned_uuids(void); -int btrfs_add_system_chunk(struct btrfs_trans_handle *trans, - struct btrfs_root *root, struct btrfs_key *key, +int btrfs_add_system_chunk(struct btrfs_fs_info *fs_info, struct btrfs_key *key, struct btrfs_chunk *chunk, int item_size); -int btrfs_chunk_readonly(struct btrfs_root *root, u64 chunk_offset); +int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset); struct btrfs_device * btrfs_find_device_by_devid(struct btrfs_fs_devices *fs_devices, u64 devid, int instance); -struct btrfs_device *btrfs_find_device(struct btrfs_root *root, u64 devid, +struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid, u8 *uuid, u8 *fsid); int write_raid56_with_parity(struct btrfs_fs_info *info, struct extent_buffer *eb, struct btrfs_multi_bio *multi, u64 stripe_len, u64 *raid_map); -int btrfs_check_chunk_valid(struct btrfs_root *root, +int btrfs_check_chunk_valid(struct btrfs_fs_info *fs_info, struct extent_buffer *leaf, struct btrfs_chunk *chunk, int slot, u64 logical); +u64 btrfs_stripe_length(struct btrfs_fs_info *fs_info, + struct extent_buffer *leaf, + struct btrfs_chunk *chunk); #endif |