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Bug 964216

Summary:	xfs_repair: handle fragmented multiblock dir2 directories
Product:	Red Hat Enterprise Linux 6	Reporter:	Eric Sandeen <esandeen>
Component:	xfsprogs	Assignee:	Eric Sandeen <esandeen>
Status:	CLOSED ERRATA	QA Contact:	Boris Ranto <branto>
Severity:	unspecified	Docs Contact:
Priority:	high
Version:	6.4	CC:	bburns, bengland, bfoster, branto, dchinner, eguan, jkurik, perfbz, rwheeler
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	xfsprogs-3.1.1-11.el6	Doc Type:	Bug Fix
Doc Text:	Previously, xfs_repair was unable to properly handle fragmented multiblock version 2 directories (Multiblock dir2 is only enabled with the "-n size=" mkfs.xfs option, where the size is greater than the file system block size). With this update, xfs_repair can operate on fragmented dir2 directories without errors.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-11-21 21:20:19 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	976217

Description Eric Sandeen 2013-05-17 14:51:47 UTC

RHS is recommending "-n 8k" for larger dir block size at mkfs time.

However, there are 2 bugs in xfs_repair if those 2 blocks aren't allocated contiguously:

9fe1cc862159b50651baa68a6b60ae0819d4f871 xfs_repair: handle fragmented multiblock dir2 in process_leaf_node_dir2()
b220548bf2e51f4a573b19b4a8b4b15856bd4a06 xfs_repair: Fix fragmented multiblock dir2 handling in blkmap_getn()

We need to get these backported to RHEL6's xfsprogs to handle this case.

This is tested in xfstests:

2a4ed91a018054c2ae187f3cd4ee26141f56234f xfstest 291: userspace vs. fragmented multiblock dir2

Comment 2 Ben England 2013-05-27 13:23:06 UTC

thx, added perf dept to cc

Comment 8 errata-xmlrpc 2013-11-21 21:20:19 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-1657.html