From 505675f96cf0f169647a18c3dda1f373eca957b1 Mon Sep 17 00:00:00 2001 From: Lars Ellenberg Date: Tue, 14 Jun 2016 00:26:23 +0200 Subject: drbd: allow larger max_discard_sectors Make sure we have at least 67 (> AL_UPDATES_PER_TRANSACTION) al-extents available, and allow up to half of that to be discarded in one bio. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg Signed-off-by: Jens Axboe --- drivers/block/drbd/drbd_actlog.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/block/drbd/drbd_actlog.c') diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index d524973f94b3..265b2b6ebdec 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -258,7 +258,7 @@ bool drbd_al_begin_io_fastpath(struct drbd_device *device, struct drbd_interval unsigned first = i->sector >> (AL_EXTENT_SHIFT-9); unsigned last = i->size == 0 ? first : (i->sector + (i->size >> 9) - 1) >> (AL_EXTENT_SHIFT-9); - D_ASSERT(device, (unsigned)(last - first) <= 1); + D_ASSERT(device, first <= last); D_ASSERT(device, atomic_read(&device->local_cnt) > 0); /* FIXME figure out a fast path for bios crossing AL extent boundaries */ -- cgit v1.2.3