On Sat, May 06 2023 at 2:29P -0400, Sarthak Kukreti <sarthakkukreti@xxxxxxxxxxxx> wrote: > Introduce block request REQ_OP_PROVISION. The intent of this request > is to request underlying storage to preallocate disk space for the given > block range. Block devices that support this capability will export > a provision limit within their request queues. > > This patch also adds the capability to call fallocate() in mode 0 > on block devices, which will send REQ_OP_PROVISION to the block > device for the specified range, > > Signed-off-by: Sarthak Kukreti <sarthakkukreti@xxxxxxxxxxxx> Reviewed-by: Mike Snitzer <snitzer@xxxxxxxxxx>