bugGNU GRUB - Bugs: bug #48645, XFSv5 with sparse inode chunks is...


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bug #48645: XFSv5 with sparse inode chunks is not supported

Submitter:  Marcos Mello <marcosfrm>
Submitted:  Wed 27 Jul 2016 04:18:54 PM UTC
Category:  None Severity:  Major
Priority:  6 Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release:  Git master
Release:  Reproducibility:  None
Planned Release:  2.02

Sat 02 Jun 2018 06:24:21 PM UTC, comment #3: 
Marcos Mello <marcosfrm>
Wed 28 Mar 2018 10:05:26 AM UTC, comment #2: 
Marcos Mello <marcosfrm>
Fri 01 Sep 2017 03:54:37 PM UTC, comment #1: 

I have an experimental patch for it.My biggest concern is as to why is it incompat. AFAICS you don't need any changes to read such a filesystem. Can you comment whether any changes are needed in the code of the reader other than ignoring this bit?

Vladimir Serbinenko <phcoder>
Project Administrator
Wed 27 Jul 2016 04:18:54 PM UTC, original submission:  

Another XFSv5 feature missing from GRUB, introduced by kernel 4.2 [1] and mkfs.xfs 4.2.0 (-i sparse=0|1) [2]. It is disabled by default in mkfs.xfs up to current xfsprogs 4.7.0-rc and kernel code is experimental, thus not widely used. But in kernel 4.8 will be marked as stable [3] and I guess mkfs.xfs will not take long to enable it by default.

GRUB does not work with volumes created with "-i sparse=1":
(Xubuntu 16.04, 2.02-beta2 plus 1570140, a139188, d3ffeb9, b6e80c7, ff3c200, 049dcfa)


[1] https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e5376fc15acdd6b03b6d5223391842717148f0d7
[2] http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/cmds/xfsprogs.git;a=commitdiff;h=6003fd816c2e0c4ec2b6352571e14765cca62d07
[3] http://oss.sgi.com/archives/xfs/2016-07/msg00445.html

Marcos Mello <marcosfrm>


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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-10-11 phcoder Priority5 - Normal 6
        Planned ReleaseNone 2.02

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