[PATCH 4.18 197/235] lightnvm: pblk: assume that chunks are closed on 1.2 devices
From: Greg Kroah-Hartman
Date: Mon Sep 24 2018 - 08:43:17 EST
4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
[ Upstream commit f6352103d2e0ad2d2066725eb19bfdfb8763239b ]
We can't know if a block is closed or not on 1.2 devices, so assume
closed state to make sure that blocks are erased before writing.
Fixes: 32ef9412c114 ("lightnvm: pblk: implement get log report chunk")
Signed-off-by: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
Signed-off-by: Matias BjÃrling <mb@xxxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/lightnvm/pblk-init.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -716,10 +716,11 @@ static int pblk_setup_line_meta_12(struc
/*
* In 1.2 spec. chunk state is not persisted by the device. Thus
- * some of the values are reset each time pblk is instantiated.
+ * some of the values are reset each time pblk is instantiated,
+ * so we have to assume that the block is closed.
*/
if (lun_bb_meta[line->id] == NVM_BLK_T_FREE)
- chunk->state = NVM_CHK_ST_FREE;
+ chunk->state = NVM_CHK_ST_CLOSED;
else
chunk->state = NVM_CHK_ST_OFFLINE;