On 2/9/22 12:28 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 the target code. > > For the target code the only real use case was zeroing offload, which > is kept with this series, and for DRBD I suspect the same based on the > usage. > > git://git.infradead.org/users/hch/block.git delete-write-same > > Gitweb: > > http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/delete-write-same > > Changes since v2: > - split up > - rebased ontop of five years of kernel change, including the totally > pointless addition of REQ_OP_WRITE_SAME in rnbd > Thanks a lot for doing this, much less code to test and review in blk-lib.c now ... -ck
