On Thu, Dec 11, 2014 at 5:02 AM, Martin K. Petersen <martin.petersen@xxxxxxxxxx> wrote: >>>>>> "Tejun" == Tejun Heo <tj@xxxxxxxxxx> writes: > > Tejun> If raid consistency truly is the only reason for this, that > Tejun> approach seems way more fruitful to me than playing this optional > Tejun> feature game with hardware vendors which so often leads to > Tejun> eventual abysmal outcomes. > > The other use case is the filesystem one where it is common to zero > block ranges for bitmaps, etc. In many workloads there's is a > significant win to trimming over writing out many blocks of zeroes. Yes, looks mkfs is using the feature. Thanks, Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
