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Bug 814827 - dm thin: support "held roots" for live userspace metadata access
Summary: dm thin: support "held roots" for live userspace metadata access
Keywords:
Status: CLOSED DUPLICATE of bug 828955
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.4
Hardware: Unspecified
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Joe Thornber
QA Contact: Cluster QE
URL:
Whiteboard:
Depends On:
Blocks: 814841
TreeView+ depends on / blocked
 
Reported: 2012-04-20 19:14 UTC by Alasdair Kergon
Modified: 2012-07-30 20:39 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: Enhancement
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-07-30 20:39:11 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description Alasdair Kergon 2012-04-20 19:14:45 UTC
Allow userspace to hold the root of an LV metadata tree, which guarantees the kernel will not remove any of the metadata in that tree until userspace releases the hold.

Comment 1 RHEL Program Management 2012-07-10 08:25:36 UTC
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.

Comment 2 RHEL Program Management 2012-07-10 23:36:35 UTC
This request was erroneously removed from consideration in Red Hat Enterprise Linux 6.4, which is currently under development.  This request will be evaluated for inclusion in Red Hat Enterprise Linux 6.4.

Comment 3 Alasdair Kergon 2012-07-30 19:33:09 UTC
upstream commit cc8394d86f045b86ff303d3c9e4ce47d97148951
dm thin: provide userspace access to pool metadata


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