If a page mapping fails when mapping several pages in a single write bio request, make sure that already mapped pages are invalidated. Since other legit mappings coming from a different bio request might have occurred, rolling back the failed bio is a difficult, unnecessary overhead; in part because when a mapping fails something bad has happened already. Still, invalidating pages in the failed bio will help GC.
Signed-off-by: Javier González <jav...@cnexlabs.com> --- drivers/lightnvm/rrpc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index c4d0b04..29befe9 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -730,6 +730,7 @@ static int rrpc_read_ppalist_rq(struct rrpc *rrpc, struct bio *bio, } else { BUG_ON(is_gc); rrpc_unlock_laddr(rrpc, r); + rrpc_invalidate_range(rrpc, laddr, i + 1); nvm_dev_dma_free(rrpc->dev, rqd->ppa_list, rqd->dma_ppa_list); return NVM_IO_DONE; -- 2.1.4