On 2017/7/1 上午4:42, bcache@xxxxxxxxxxxxxxxxxx wrote: > From: Tang Junhui <tang.junhui@xxxxxxxxxx> > > 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> > Reviewed-by: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Acked-by: Coly Li <colyli@xxxxxxx> Thanks. > --- > 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 958072a..4b413db 100644 > --- a/drivers/md/bcache/request.c > +++ b/drivers/md/bcache/request.c > @@ -196,12 +196,12 @@ 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_PREFLUSH; if the original write was a > * flush, it'll wait on the journal write. > -- Coly Li