Reviewed-by: Sage Weil <[email protected]> On Fri, 10 Oct 2014, Ilya Dryomov wrote:
> Need to use WQ_MEM_RECLAIM for our workqueues to prevent I/O lockups > under memory pressure - we sit on the memory reclaim path. > > Cc: [email protected] # 3.17, needs backporting for 3.16 > Signed-off-by: Ilya Dryomov <[email protected]> > Tested-by: Micha Krause <[email protected]> > --- > drivers/block/rbd.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c > index 7712ae65753c..0a54c588e433 100644 > --- a/drivers/block/rbd.c > +++ b/drivers/block/rbd.c > @@ -5242,7 +5242,8 @@ static int rbd_dev_device_setup(struct rbd_device > *rbd_dev) > set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE); > set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only); > > - rbd_dev->rq_wq = alloc_workqueue("%s", 0, 0, rbd_dev->disk->disk_name); > + rbd_dev->rq_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, > + rbd_dev->disk->disk_name); > if (!rbd_dev->rq_wq) { > ret = -ENOMEM; > goto err_out_mapping; > -- > 1.7.10.4 > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
