From: Patrick Donnelly <pdonnell@redhat.com>
Date: Tue, 17 Dec 2019 00:02:53 +0000 (-0800)
Subject: Merge PR #31123 into master
X-Git-Tag: v15.1.0~474
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=fd16bddc4dfa48fdbedcd94dc3069348305183ba;p=ceph.git

Merge PR #31123 into master

* refs/pull/31123/head:
	mds : optimization functions,get_dirfrags_under, to speed up processing directories with tens of millions of files

Reviewed-by: Zheng Yan <zyan@redhat.com>
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>
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fd16bddc4dfa48fdbedcd94dc3069348305183ba