From: Kent Overstreet <kmo@xxxxxxxxxxxxx>
This patch does NOT apply to the 3.12 stable tree. If you still want
it applied, please provide a backport.
===============
commit c5f1e5adf956e3ba82d204c7c141a75da9fa449a upstream.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Tested-by: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx>
Cc: Kent Overstreet <kmo@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jens Axboe <axboe@xxxxxx>
---
drivers/md/bcache/btree.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 4a1179cbc52e..22b9e34ceb75 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1741,6 +1741,7 @@ static void bch_btree_gc(struct cache_set *c)
do {
ret = btree_root(gc_root, c, &op, &writes, &stats);
closure_sync(&writes);
+ cond_resched();
if (ret && ret != -EAGAIN)
pr_warn("gc failed!");
--
2.7.2
--
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