281 static void btree_node_read_endio(struct bio *bio, int error)  in btree_node_read_endio()  argument
283 	struct closure *cl = bio->bi_private;  in btree_node_read_endio()
291 	struct bio *bio;  in bch_btree_node_read()  local
297 	bio = bch_bbio_alloc(b->c);  in bch_btree_node_read()
298 	bio->bi_rw	= REQ_META|READ_SYNC;  in bch_btree_node_read()
299 	bio->bi_iter.bi_size = KEY_SIZE(&b->key) << 9;  in bch_btree_node_read()
300 	bio->bi_end_io	= btree_node_read_endio;  in bch_btree_node_read()
301 	bio->bi_private	= &cl;  in bch_btree_node_read()
303 	bch_bio_map(bio, b->keys.set[0].data);  in bch_btree_node_read()
305 	bch_submit_bbio(bio, b->c, &b->key, 0);  in bch_btree_node_read()
308 	if (!test_bit(BIO_UPTODATE, &bio->bi_flags))  in bch_btree_node_read()
311 	bch_bbio_free(bio, b->c);  in bch_btree_node_read()
352 	bch_bbio_free(b->bio, b->c);  in __btree_node_write_done()
353 	b->bio = NULL;  in __btree_node_write_done()
368 	bio_for_each_segment_all(bv, b->bio, n)  in btree_node_write_done()
374 static void btree_node_write_endio(struct bio *bio, int error)  in btree_node_write_endio()  argument
376 	struct closure *cl = bio->bi_private;  in btree_node_write_endio()
382 	bch_bbio_count_io_errors(b->c, bio, error, "writing btree");  in btree_node_write_endio()
395 	BUG_ON(b->bio);  in do_btree_node_write()
396 	b->bio = bch_bbio_alloc(b->c);  in do_btree_node_write()
398 	b->bio->bi_end_io	= btree_node_write_endio;  in do_btree_node_write()
399 	b->bio->bi_private	= cl;  in do_btree_node_write()
400 	b->bio->bi_rw		= REQ_META|WRITE_SYNC|REQ_FUA;  in do_btree_node_write()
401 	b->bio->bi_iter.bi_size	= roundup(set_bytes(i), block_bytes(b->c));  in do_btree_node_write()
402 	bch_bio_map(b->bio, i);  in do_btree_node_write()
423 	if (!bio_alloc_pages(b->bio, __GFP_NOWARN|GFP_NOWAIT)) {  in do_btree_node_write()
428 		bio_for_each_segment_all(bv, b->bio, j)  in do_btree_node_write()
432 		bch_submit_bbio(b->bio, b->c, &k.key, 0);  in do_btree_node_write()
436 		b->bio->bi_vcnt = 0;  in do_btree_node_write()
437 		bch_bio_map(b->bio, i);  in do_btree_node_write()
439 		bch_submit_bbio(b->bio, b->c, &k.key, 0);  in do_btree_node_write()