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lightnvm: pblk: line reference fix in GC

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Fixes the GC error case when moving a line back to closed state
while releasing additional references.

Signed-off-by: Igor Konopko <[email protected]>
Reviewed-by: Hans Holmberg <[email protected]>
Reviewed-by: Javier González <[email protected]>
Signed-off-by: Matias Bjørling <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Igor Konopko 2019-05-04 20:37:46 +02:00 • committed by Jens Axboe
commit 7e5434eece
1 changed files with 4 additions and 1 deletions
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5
drivers/lightnvm/pblk-gc.c
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@ -290,8 +290,11 @@ fail_free_invalid_bitmap:
fail_free_ws:
kfree(line_ws);
/* Line goes back to closed state, so we cannot release additional
* reference for line, since we do that only when we want to do
* gc to free line state transition.
*/
pblk_put_line_back(pblk, line);
kref_put(&line->ref, pblk_line_put);
atomic_dec(&gc->read_inflight_gc);
pblk_err(pblk, "failed to GC line %d\n", line->id);