fs/btrfs/volumes.c

2971 static int btrfs_free_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
2984 	key.offset = chunk_offset;
3006 static int btrfs_del_sys_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
3040 		    key.offset == chunk_offset) {
3163 			     struct btrfs_chunk_map *map, u64 chunk_offset)
3182 	return btrfs_free_chunk(trans, chunk_offset);
3185 int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
3193 	map = btrfs_get_chunk_map(fs_info, chunk_offset, 1);
3263 	ret = remove_chunk_item(trans, map, chunk_offset);
3295 		ret = remove_chunk_item(trans, map, chunk_offset);
3305 	trace_btrfs_chunk_free(fs_info, map, chunk_offset, map->chunk_len);
3308 		ret = btrfs_del_sys_chunk(fs_info, chunk_offset);
3340 int btrfs_relocate_chunk(struct btrfs_fs_info *fs_info, u64 chunk_offset)
3357 	 * chunk_offset, automatic removal of the block group can kick in,
3370 	ret = btrfs_relocate_block_group(fs_info, chunk_offset);
3382 	block_group = btrfs_lookup_block_group(fs_info, chunk_offset);
3396 		ret = btrfs_discard_extent(fs_info, chunk_offset, length, NULL);
3400 				chunk_offset);
3404 						     chunk_offset);
3415 	ret = btrfs_remove_chunk(trans, chunk_offset);
3511 				      u64 chunk_offset)
3517 	cache = btrfs_lookup_block_group(fs_info, chunk_offset);
3757 static int chunk_usage_range_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset,
3766 	cache = btrfs_lookup_block_group(fs_info, chunk_offset);
3789 		u64 chunk_offset, struct btrfs_balance_args *bargs)
3795 	cache = btrfs_lookup_block_group(fs_info, chunk_offset);
3877 			       u64 chunk_offset,
3880 	if (chunk_offset < bargs->vend &&
3881 	    chunk_offset + btrfs_chunk_length(leaf, chunk) > bargs->vstart)
3917 				struct btrfs_chunk *chunk, u64 chunk_offset)
3945 	    chunk_usage_filter(fs_info, chunk_offset, bargs)) {
3948 	    chunk_usage_range_filter(fs_info, chunk_offset, bargs)) {
3966 	    chunk_vrange_filter(leaf, chunk, chunk_offset, bargs)) {
4973 	u64 chunk_offset;
5083 		chunk_offset = btrfs_dev_extent_chunk_offset(l, dev_extent);
5092 		ret = btrfs_may_alloc_data_chunk(fs_info, chunk_offset);
5098 		ret = btrfs_relocate_chunk(fs_info, chunk_offset);
5106 					   chunk_offset);
5918 bool btrfs_chunk_writeable(struct btrfs_fs_info *fs_info, u64 chunk_offset)
5925 	map = btrfs_get_chunk_map(fs_info, chunk_offset, 1);
7998 				 u64 chunk_offset, u64 devid,
8009 	map = btrfs_find_chunk_map(fs_info, chunk_offset, 1);
8174 		u64 chunk_offset;
8186 		chunk_offset = btrfs_dev_extent_chunk_offset(leaf, dext);
8198 		ret = verify_one_dev_extent(fs_info, chunk_offset, devid,