From: Igor Konopko <igor.j.konopko@xxxxxxxxx>
A line is left unsigned to the blocks lists in case pblk_gc_line
returns an error.
This moves the line back to be appropriate list, which can then be
picked up by the garbage collector.
Signed-off-by: Igor Konopko <igor.j.konopko@xxxxxxxxx>
Reviewed-by: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
Reviewed-by: Javier González <javier@xxxxxxxxxxx>
Signed-off-by: Matias Bjørling <mb@xxxxxxxxxxx>
---
drivers/lightnvm/pblk-gc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 901e49951ab5..65692e6d76e6 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -358,8 +358,13 @@ static int pblk_gc_read(struct pblk *pblk)
pblk_gc_kick(pblk);
- if (pblk_gc_line(pblk, line))
+ if (pblk_gc_line(pblk, line)) {
pblk_err(pblk, "failed to GC line %d\n", line->id);
+ /* rollback */
+ spin_lock(&gc->r_lock);
+ list_add_tail(&line->list, &gc->r_list);
+ spin_unlock(&gc->r_lock);
+ }
return 0;
}
--
2.19.1
