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[GIT,PULL,07/26] lightnvm: pblk: ensure that erase is chunk aligned

Message ID 20190504183811.18725-8-mb@lightnvm.io (mailing list archive)
State New, archived
Headers show
Series lightnvm updates for 5.2 | expand

Commit Message

Matias Bjorling May 4, 2019, 6:37 p.m. UTC 
From: Igor Konopko <igor.j.konopko@intel.com>

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>
---
 drivers/lightnvm/pblk-map.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

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);