Today's linux-next merge of the block tree got conflicts in drivers/md/bcache/bcache.h drivers/md/bcache/bset.c drivers/md/bcache/journal.c drivers/md/bcache/request.c drivers/md/bcache/writeback.c I've fixed them up (see below). Please verify that the resolution looks good. Thanks, Thierry --- diff --cc drivers/md/bcache/btree.c index f42fc7e,117a12a..1ccb702 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@@ -633,10 -712,10 +707,10 @@@ static unsigned long bch_mca_scan(struc break; if (++i > 3 && - !mca_reap(b, NULL, 0)) { + !mca_reap(b, 0, false)) { mca_data_free(b); rw_unlock(true, b); - --nr; + freed++; } } diff --cc drivers/md/bcache/request.c index b6a74bc,231b108..9e1ff8e --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@@ -979,67 -1059,52 +1059,54 @@@ static void cached_dev_write(struct cac if (should_writeback(dc, s->orig_bio, cache_mode(dc, bio), - s->op.skip)) { - s->op.skip = false; - s->writeback = true; + s->iop.bypass)) { + s->iop.bypass = false; + s->iop.writeback = true; } - if (s->op.skip) - goto skip; - - trace_bcache_write(s->orig_bio, s->writeback, s->op.skip); + if (s->iop.bypass) { + s->iop.bio = s->orig_bio; + bio_get(s->iop.bio); - if (!s->writeback) { - s->op.cache_bio = bio_clone_bioset(bio, GFP_NOIO, - dc->disk.bio_split); - - closure_bio_submit(bio, cl, s->d); - } else { + if (!(bio->bi_rw & REQ_DISCARD) || + blk_queue_discard(bdev_get_queue(dc->bdev))) + closure_bio_submit(bio, cl, s->d); + } else if (s->iop.writeback) { bch_writeback_add(dc); + s->op.cache_bio = bio; - if (s->iop.flush_journal) { + if (bio->bi_rw & REQ_FLUSH) { /* Also need to send a flush to the backing device */ - s->iop.bio = bio_clone_bioset(bio, GFP_NOIO, - dc->disk.bio_split); + struct bio *flush = bio_alloc_bioset(0, GFP_NOIO, + dc->disk.bio_split); - bio->bi_size = 0; - bio->bi_vcnt = 0; - closure_bio_submit(bio, cl, s->d); - } else { - s->iop.bio = bio; + flush->bi_rw = WRITE_FLUSH; + flush->bi_bdev = bio->bi_bdev; + flush->bi_end_io = request_endio; + flush->bi_private = cl; + + closure_bio_submit(flush, cl, s->d); } - } - out: - closure_call(&s->op.cl, bch_insert_data, NULL, cl); - continue_at(cl, cached_dev_write_complete, NULL); - skip: - s->op.skip = true; - s->op.cache_bio = s->orig_bio; - bio_get(s->op.cache_bio); + } else { + s->iop.bio = bio_clone_bioset(bio, GFP_NOIO, + dc->disk.bio_split); - if ((bio->bi_rw & REQ_DISCARD) && - !blk_queue_discard(bdev_get_queue(dc->bdev))) - goto out; + closure_bio_submit(bio, cl, s->d); + } - closure_bio_submit(bio, cl, s->d); - goto out; + closure_call(&s->iop.cl, bch_data_insert, NULL, cl); + continue_at(cl, cached_dev_write_complete, NULL); } - static void request_nodata(struct cached_dev *dc, struct search *s) + static void cached_dev_nodata(struct closure *cl) { - struct closure *cl = &s->cl; + struct search *s = container_of(cl, struct search, cl); struct bio *bio = &s->bio.bio; - if (bio->bi_rw & REQ_DISCARD) { - request_write(dc, s); - return; - } - - if (s->op.flush_journal) - bch_journal_meta(s->op.c, cl); + if (s->iop.flush_journal) + bch_journal_meta(s->iop.c, cl); + /* If it's a flush, we send the flush to the backing device too */ closure_bio_submit(bio, cl, s->d); continue_at(cl, cached_dev_bio_complete, NULL); -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html