16 	struct erofs_fscache_request *primary;  member
43 static struct erofs_fscache_request *erofs_fscache_req_chain(struct erofs_fscache_request *primary,  in erofs_fscache_req_chain()  argument
48 	/* use primary request for the first submission */  in erofs_fscache_req_chain()
49 	if (!primary->submitted) {  in erofs_fscache_req_chain()
50 		refcount_inc(&primary->ref);  in erofs_fscache_req_chain()
51 		return primary;  in erofs_fscache_req_chain()
54 	req = erofs_fscache_req_alloc(primary->mapping,  in erofs_fscache_req_chain()
55 			primary->start + primary->submitted, len);  in erofs_fscache_req_chain()
57 		req->primary = primary;  in erofs_fscache_req_chain()
58 		refcount_inc(&primary->ref);  in erofs_fscache_req_chain()
88 		if (!req->primary)  in erofs_fscache_req_put()
91 			erofs_fscache_req_put(req->primary);  in erofs_fscache_req_put()
102 		if (req->primary)  in erofs_fscache_subreq_complete()
103 			req->primary->error = transferred_or_error;  in erofs_fscache_subreq_complete()
187 static int erofs_fscache_data_read_slice(struct erofs_fscache_request *primary)  in erofs_fscache_data_read_slice()  argument
189 	struct address_space *mapping = primary->mapping;  in erofs_fscache_data_read_slice()
196 	loff_t pos = primary->start + primary->submitted;  in erofs_fscache_data_read_slice()
227 		primary->submitted += PAGE_SIZE;  in erofs_fscache_data_read_slice()
231 	count = primary->len - primary->submitted;  in erofs_fscache_data_read_slice()
235 		primary->submitted += count;  in erofs_fscache_data_read_slice()
250 	req = erofs_fscache_req_chain(primary, count);  in erofs_fscache_data_read_slice()
257 	primary->submitted += count;  in erofs_fscache_data_read_slice()
581 	 * the primary data blob (aka fsid) is unique in the shared domain.  in erofs_fscache_register_fs()
585 	 * the uniqueness of primary data blob.  in erofs_fscache_register_fs()