On Fri, 19 Nov 2010, Mark Lord wrote: > On 10-11-19 09:02 AM, Ted Ts'o wrote: > > but that's why mount -o discard is not the default. > > > But, oddly, it _is_ the default for mke2fs -t ext4, > which really threw me for a loop recently. > > I though my system had locked up when suddenly everything > went dead for a very long time (many minutes) while installing a new system. > > Then I figured out what was going on. > I really believe that "-K" should be the _default_ for mke2fs, > as otherwise lots of other people probably also wonder > if Linux is killing their SSD at system install time.. > > Cheers > That is exactly a reason why I posted a patch for "Make blkdev_issue_discard() interruptible", but nobody seems to care. As an addition I have patched mke2fs to inform user about ongoing discard, also with not much attention (Ted?). Thanks! -Lukas -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html