Limit each request to 1 page, so that the request throttling also limits the number of in-flight pages. Signed-off-by: Peter Zijlstra Signed-off-by: Daniel Phillips CC: Pavel Machek --- drivers/block/nbd.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) Index: linux-2.6/drivers/block/nbd.c =================================================================== --- linux-2.6.orig/drivers/block/nbd.c 2006-09-07 18:43:41.000000000 +0200 +++ linux-2.6/drivers/block/nbd.c 2006-09-07 18:44:12.000000000 +0200 @@ -638,6 +638,9 @@ static int __init nbd_init(void) put_disk(disk); goto out; } + blk_queue_max_segment_size(disk->queue, PAGE_SIZE); + blk_queue_max_hw_segments(disk->queue, 1); + blk_queue_max_phys_segments(disk->queue, 1); } if (register_blkdev(NBD_MAJOR, "nbd")) { -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/