diff options
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index c67c15d4d20b..363935cfc084 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -27,14 +27,14 @@ static inline u64 btrfs_sb_offset(int mirror) struct btrfs_device; struct btrfs_fs_devices; +struct btrfs_tree_parent_check; void btrfs_check_leaked_roots(struct btrfs_fs_info *fs_info); void btrfs_init_fs_info(struct btrfs_fs_info *fs_info); int btrfs_verify_level_key(struct extent_buffer *eb, int level, struct btrfs_key *first_key, u64 parent_transid); struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr, - u64 owner_root, u64 parent_transid, - int level, struct btrfs_key *first_key); + struct btrfs_tree_parent_check *check); struct extent_buffer *btrfs_find_create_tree_block( struct btrfs_fs_info *fs_info, u64 bytenr, u64 owner_root, @@ -42,6 +42,8 @@ struct extent_buffer *btrfs_find_create_tree_block( void btrfs_clean_tree_block(struct extent_buffer *buf); void btrfs_clear_oneshot_options(struct btrfs_fs_info *fs_info); int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info); +int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, + const struct btrfs_super_block *disk_sb); int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_devices, char *options); @@ -73,6 +75,7 @@ struct btrfs_root *btrfs_global_root(struct btrfs_fs_info *fs_info, struct btrfs_key *key); struct btrfs_root *btrfs_csum_root(struct btrfs_fs_info *fs_info, u64 bytenr); struct btrfs_root *btrfs_extent_root(struct btrfs_fs_info *fs_info, u64 bytenr); +struct btrfs_root *btrfs_block_group_root(struct btrfs_fs_info *fs_info); void btrfs_free_fs_info(struct btrfs_fs_info *fs_info); int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info); @@ -83,7 +86,7 @@ void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info, int btrfs_validate_metadata_buffer(struct btrfs_bio *bbio, struct page *page, u64 start, u64 end, int mirror); -void btrfs_submit_metadata_bio(struct inode *inode, struct bio *bio, int mirror_num); +void btrfs_submit_metadata_bio(struct btrfs_inode *inode, struct bio *bio, int mirror_num); #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info); #endif @@ -104,24 +107,22 @@ static inline struct btrfs_root *btrfs_grab_root(struct btrfs_root *root) return NULL; } -static inline struct btrfs_root *btrfs_block_group_root(struct btrfs_fs_info *fs_info) -{ - if (btrfs_fs_compat_ro(fs_info, BLOCK_GROUP_TREE)) - return fs_info->block_group_root; - return btrfs_extent_root(fs_info, 0); -} - void btrfs_put_root(struct btrfs_root *root); void btrfs_mark_buffer_dirty(struct extent_buffer *buf); int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid, int atomic); -int btrfs_read_extent_buffer(struct extent_buffer *buf, u64 parent_transid, - int level, struct btrfs_key *first_key); -bool btrfs_wq_submit_bio(struct inode *inode, struct bio *bio, int mirror_num, - u64 dio_file_offset, - extent_submit_bio_start_t *submit_bio_start); -blk_status_t btrfs_submit_bio_done(void *private_data, struct bio *bio, - int mirror_num); +int btrfs_read_extent_buffer(struct extent_buffer *buf, + struct btrfs_tree_parent_check *check); + +enum btrfs_wq_submit_cmd { + WQ_SUBMIT_METADATA, + WQ_SUBMIT_DATA, + WQ_SUBMIT_DATA_DIO, +}; + +bool btrfs_wq_submit_bio(struct btrfs_inode *inode, struct bio *bio, int mirror_num, + u64 dio_file_offset, enum btrfs_wq_submit_cmd cmd); +blk_status_t btree_submit_bio_start(struct bio *bio); int btrfs_alloc_log_tree_node(struct btrfs_trans_handle *trans, struct btrfs_root *root); int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans, @@ -134,8 +135,6 @@ void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans, struct btrfs_fs_info *fs_info); struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, u64 objectid); -int btree_lock_page_hook(struct page *page, void *data, - void (*flush_fn)(void *)); int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags); int btrfs_get_free_objectid(struct btrfs_root *root, u64 *objectid); int btrfs_init_root_free_objectid(struct btrfs_root *root); |