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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2016-06-14 00:26:23 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-06-13 21:43:05 -0600 |
| commit | 505675f96cf0f169647a18c3dda1f373eca957b1 (patch) | |
| tree | cd9e16e66de8d3abfc9e69eb9a14bfe9b5f72569 /drivers/block/drbd/drbd_actlog.c | |
| parent | 7435e9018f9141e38d856229475335c8e757a497 (diff) | |
| download | linux-505675f96cf0f169647a18c3dda1f373eca957b1.tar.bz2 | |
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 <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/drbd/drbd_actlog.c')
| -rw-r--r-- | drivers/block/drbd/drbd_actlog.c | 2 |
1 files changed, 1 insertions, 1 deletions
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 */ |