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To: Jeff Moyer <jmoyer@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>, Chris Mason <clm@fb.com>,
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Subject: Re: [PATCH 2/2] block: create ioctl to discard-or-zeroout a range of blocks
From: "Martin K. Petersen" <martin.petersen@oracle.com>
Organization: Oracle Corporation
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Date: Fri, 18 Mar 2016 16:05:25 -0400
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>>>>> "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.

-- 
Martin K. Petersen	Oracle Linux Engineering