diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2017-04-20 15:47:01 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-20 19:53:24 -0600 |
| commit | 1cc1f17aab7e596d0a7373fc1ed11dbddfa82bc9 (patch) | |
| tree | 49992c745eb4b25f4e6e2831ddcf3e6784b9e33f /drivers/block/nbd.c | |
| parent | 246665db3bcdb36dbba91a64b1e560dcf948a994 (diff) | |
nbd: set the max segments to USHRT_MAX
I lack the basic understanding of what segments mean, so we were being
limited to 512kib requests even with higher max_sectors sizes set.
Setting the maximum number of segments to unlimited allows us to
actually have arbitrarily large IO's go through NBD.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index d387bef07fcc..5583dc4ff941 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1470,6 +1470,7 @@ static int nbd_dev_add(int index) disk->queue->limits.discard_granularity = 512; blk_queue_max_discard_sectors(disk->queue, UINT_MAX); blk_queue_max_segment_size(disk->queue, UINT_MAX); + blk_queue_max_segments(disk->queue, USHRT_MAX); blk_queue_max_hw_sectors(disk->queue, 65536); disk->queue->limits.max_sectors = 256; |