From: Kefu Chai <tchaikov@gmail.com>
Date: Tue, 4 Aug 2015 05:58:21 +0000 (+0800)
Subject: Merge pull request #5312 from xinxinsh/wip-sparse-copy
X-Git-Tag: v9.1.0~447
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1638525015421cf725e261f24cf02e5311156f3c;p=ceph.git

Merge pull request #5312 from xinxinsh/wip-sparse-copy

use SEEK_HOLE/SEEK_DATA for sparse copy

Reviewed-by: Haomai Wang <haomaiwang@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
Reviewed-by: Kefu Chai <kchai@redhat.com>
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1638525015421cf725e261f24cf02e5311156f3c