Re: RFC: remove REQ_OP_WRITE_SAME

2017-04-11 Thread Mike Christie
On 04/10/2017 11:07 AM, Christoph Hellwig wrote: > Now that we are using REQ_OP_WRITE_ZEROES for all zeroing needs in the > kernel there is very little use left for REQ_OP_WRITE_SAME. We only > have two callers left, and both just export optional protocol features > to remote systems: DRBD and

RFC: remove REQ_OP_WRITE_SAME

2017-04-10 Thread Christoph Hellwig
Now that we are using REQ_OP_WRITE_ZEROES for all zeroing needs in the kernel there is very little use left for REQ_OP_WRITE_SAME. We only have two callers left, and both just export optional protocol features to remote systems: DRBD and the target code. Do we have any major users of those? If