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authorIgor Konopko <igor.j.konopko@intel.com>2019-05-04 20:37:52 +0200
committerJens Axboe <axboe@kernel.dk>2019-05-06 10:19:17 -0600
commit75c89bef6a54943ea0053dc3d27479edfb31b699 (patch)
tree983227be044b9f04735196e97880e71ab29c093b
parent4ca885241950265a82e922a018b90ff8047d7aac (diff)
downloadlinux-75c89bef6a54943ea0053dc3d27479edfb31b699.tar.bz2
lightnvm: pblk: ensure that erase is chunk aligned
The sector bits in the erase command may be uninitialized are uninitialized, causing the erase LBA to be unaligned to the chunk size. This is unexpected situation, since erase shall always be chunk aligned based on OCSSD the 2.0 specification. Signed-off-by: Igor Konopko <igor.j.konopko@intel.com> Reviewed-by: Javier González <javier@javigon.com> Reviewed-by: Hans Holmberg <hans.holmberg@cnexlabs.com> Signed-off-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--drivers/lightnvm/pblk-map.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk-map.c b/drivers/lightnvm/pblk-map.c
index 7fbc99b60cac..5408e32b2f13 100644
--- a/drivers/lightnvm/pblk-map.c
+++ b/drivers/lightnvm/pblk-map.c
@@ -162,6 +162,7 @@ int pblk_map_erase_rq(struct pblk *pblk, struct nvm_rq *rqd,
*erase_ppa = ppa_list[i];
erase_ppa->a.blk = e_line->id;
+ erase_ppa->a.reserved = 0;
spin_unlock(&e_line->lock);