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SubjectRe: [PATCH 3/3] block: implement (some of) fallocate for block devices
On Mon, Mar 21, 2016 at 10:52:35AM -0700, Darrick J. Wong wrote:
> > I don't really understand the comment. But I think you'd be much
>
> I don't know of a block device primitive that corresponds to the "default"
> mode of fallocate, as documented in the manpage (i.e. mode == 0). I agree
> that the whole thing could be simplified in the manner you point out below.

SCSI allows 'anchoring' blocks, which is pretty similar to a normal
fallocate, but we don't support anchoring blocks in Linux yet.

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