From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- drivers/md/bcache/request.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers/md/bcache/request.c') diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index ab43faddb..f29279099 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -15,6 +15,7 @@ #include #include #include +#include #include @@ -87,8 +88,10 @@ static void bch_data_insert_keys(struct closure *cl) if (journal_ref) atomic_dec_bug(journal_ref); - if (!op->insert_data_done) + if (!op->insert_data_done) { continue_at(cl, bch_data_insert_start, op->wq); + return; + } bch_keylist_free(&op->insert_keys); closure_return(cl); @@ -215,8 +218,10 @@ static void bch_data_insert_start(struct closure *cl) /* 1 for the device pointer and 1 for the chksum */ if (bch_keylist_realloc(&op->insert_keys, 3 + (op->csum ? 1 : 0), - op->c)) + op->c)) { continue_at(cl, bch_data_insert_keys, op->wq); + return; + } k = op->insert_keys.top; bkey_init(k); @@ -254,6 +259,7 @@ static void bch_data_insert_start(struct closure *cl) op->insert_data_done = true; continue_at(cl, bch_data_insert_keys, op->wq); + return; err: /* bch_alloc_sectors() blocks if s->writeback = true */ BUG_ON(op->writeback); @@ -575,8 +581,10 @@ static void cache_lookup(struct closure *cl) ret = bch_btree_map_keys(&s->op, s->iop.c, &KEY(s->iop.inode, bio->bi_iter.bi_sector, 0), cache_lookup_fn, MAP_END_KEY); - if (ret == -EAGAIN) + if (ret == -EAGAIN) { continue_at(cl, cache_lookup, bcache_wq); + return; + } closure_return(cl); } @@ -619,7 +627,7 @@ static void do_bio_hook(struct search *s, struct bio *orig_bio) bio->bi_end_io = request_endio; bio->bi_private = &s->cl; - atomic_set(&bio->bi_cnt, 3); + bio_cnt_set(bio, 3); } static void search_free(struct closure *cl) @@ -1084,6 +1092,7 @@ static void flash_dev_make_request(struct request_queue *q, struct bio *bio) continue_at_nobarrier(&s->cl, flash_dev_nodata, bcache_wq); + return; } else if (rw) { bch_keybuf_check_overlapping(&s->iop.c->moving_gc_keys, &KEY(d->id, bio->bi_iter.bi_sector, 0), -- cgit v1.2.3-54-g00ecf