From bf82fa2f584f1c6e12df8c04fca715d53e7f32d5 Mon Sep 17 00:00:00 2001 From: Hans Holmberg Date: Tue, 9 Oct 2018 13:11:59 +0200 Subject: lightnvm: pblk: fix mapping issue on failed writes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 1.2-devices, the mapping-out of remaning sectors in the failed-write's block can result in an infinite loop, stalling the write pipeline, fix this. Fixes: 6a3abf5beef6 ("lightnvm: pblk: rework write error recovery path") Signed-off-by: Hans Holmberg Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/pblk-write.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) (limited to 'drivers/lightnvm') diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c index 61fe22ccc7a1..9554febee480 100644 --- a/drivers/lightnvm/pblk-write.c +++ b/drivers/lightnvm/pblk-write.c @@ -106,8 +106,6 @@ retry: /* Map remaining sectors in chunk, starting from ppa */ static void pblk_map_remaining(struct pblk *pblk, struct ppa_addr *ppa) { - struct nvm_tgt_dev *dev = pblk->dev; - struct nvm_geo *geo = &dev->geo; struct pblk_line *line; struct ppa_addr map_ppa = *ppa; u64 paddr; @@ -125,15 +123,7 @@ static void pblk_map_remaining(struct pblk *pblk, struct ppa_addr *ppa) if (!test_and_set_bit(paddr, line->invalid_bitmap)) le32_add_cpu(line->vsc, -1); - if (geo->version == NVM_OCSSD_SPEC_12) { - map_ppa.ppa++; - if (map_ppa.g.pg == geo->num_pg) - done = 1; - } else { - map_ppa.m.sec++; - if (map_ppa.m.sec == geo->clba) - done = 1; - } + done = nvm_next_ppa_in_chk(pblk->dev, &map_ppa); } line->w_err_gc->has_write_err = 1; -- cgit v1.2.3-59-g8ed1b