On Tue, Aug 18, 2020 at 10:39:40AM -0700, Ritika Srivastava wrote: > If WRITE_ZERO/WRITE_SAME operation is not supported by the storage, > blk_cloned_rq_check_limits() will return IO error which will cause > device-mapper to fail the paths. > > Instead, if the queue limit is set to 0, return BLK_STS_NOTSUPP. > BLK_STS_NOTSUPP will be ignored by device-mapper and will not fail the > paths. > > Suggested-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> > Signed-off-by: Ritika Srivastava <ritika.srivastava@xxxxxxxxxx> > Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
