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Date:      Sat, 25 Jun 2016 20:02:52 +0530
From:      Milind Changire <mchangir@redhat.com>
To:        freebsd-fs@freebsd.org
Subject:   Can NetBSD fdiscard() syscall support be added to FreeBSD?
Message-ID:  <59b3ac11-6f2a-1f38-df8f-3f07859a9f9f@redhat.com>

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I couldn't find any discussion in the mailing list archives regarding
this issue. Kindly point me to the appropriate discussion thread if
there's any.

-----

Here's my point of view ...

fdiscard() will help to support rsync --inplace and --sparse flags at
the same time which will help the Gluster geo-replication feature.

Punching holes in a file is possible on:
1. Linux
2. NetBSD

but not
3. FreeBSD

at the moment.

In-place hole punching will help Gluster geo-replicate virtual machine 
images efficiently.

Kindly comment.

--
Milind



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