From: Tang Junhui <tang.junhui@xxxxxxxxxx> This patch has been added to the stable tree. If you have any objections, please let us know. =============== [ Upstream commit 69daf03adef5f7bc13e0ac86b4b8007df1767aab ] Since bypassed IOs use no bucket, so do not subtract sectors_to_gc to trigger gc thread. Signed-off-by: tang.junhui <tang.junhui@xxxxxxxxxx> Acked-by: Coly Li <colyli@xxxxxxx> Reviewed-by: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> --- drivers/md/bcache/request.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index a9864ef73ec6..5be152b5bb59 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -193,12 +193,12 @@ static void bch_data_insert_start(struct closure *cl) struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); struct bio *bio = op->bio, *n; - if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) - wake_up_gc(op->c); - if (op->bypass) return bch_data_invalidate(cl); + if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) + wake_up_gc(op->c); + /* * Journal writes are marked REQ_FLUSH; if the original write was a * flush, it'll wait on the journal write. -- 2.11.0