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authorHans Holmberg <hans.holmberg@cnexlabs.com>2018-10-09 14:11:59 +0300
committerJens Axboe <axboe@kernel.dk>2018-10-09 17:25:07 +0300
commitbf82fa2f584f1c6e12df8c04fca715d53e7f32d5 (patch)
tree9b622c57cfba014d8e10c6aa4070b68fb67142ff /drivers/lightnvm/pblk-write.c
parent1864de94ec9d6e1ae4d481212847374df9b1be41 (diff)
downloadlinux-bf82fa2f584f1c6e12df8c04fca715d53e7f32d5.tar.xz
lightnvm: pblk: fix mapping issue on failed writes
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 <hans.holmberg@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk-write.c')
-rw-r--r--drivers/lightnvm/pblk-write.c12
1 files changed, 1 insertions, 11 deletions
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;