Re: [PATCH 2/2] block: create ioctl to discard-or-zeroout a range of blocks

Martin K. Petersen
2016-03-18T20:07:03Z

>>>>> "Jeff" == Jeff Moyer <jmoyer@redhat.com> writes:

Jeff> TRIM/UNMAP isn't just supported on solid state devices, though. I
Jeff> do recall some enterprise thinly provisioned storage that would
Jeff> take ages to discard large regions. I think that caused us to
Jeff> change the defaults for mkfs, right?

I think those have largely been fixed. But, yes.

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Martin K. Petersen Oracle Linux Engineering