bugGNU GRUB - Bugs: bug #60152, XFSv5 with bigtime is not yet...


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bug #60152: XFSv5 with bigtime is not yet supported

Submitted by:  Geert Hendrickx <ghen>
Submitted on:  Mon 01 Mar 2021 02:16:49 PM UTC  
Category:  Filesystem Severity:  Major
Priority:  5 - Normal Item Group:  Feature Request
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release: 
Release:  Git master Reproducibility:  None
Planned Release:  None

Wed 09 Jun 2021 09:01:04 PM UTC, comment #2: 

Released with GRUB 2.06, so this request can be closed.

Geert Hendrickx <ghen>
Thu 13 May 2021 01:47:41 PM UTC, comment #1: 
Geert Hendrickx <ghen>
Mon 01 Mar 2021 02:16:49 PM UTC, original submission:  

Linux kernel and mkfs.xfs version 5.10 added a new XFS feature called `bigtime`, to overcome Y2038 timestamp limitations.  It's not yet enabled by default, but will be in the future.

GRUB does not yet support an XFS filesystem with XFS_SB_FEAT_INCOMPAT_BIGTIME.  Can it just be ignored/accepted like other new XFSv5 features, or does GRUB need to get explicit support for this?

Another new incompatibility flag is XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR, to indicate a filesystem must go through `xfs_repair` before being mounted - mainly to accomodate filesystem upgrades (adding a new feature flag and letting xfs_repair "fix" the feature on disk).
Here it's probably best to allow GRUB to read such a filesystem, so it can bootstrap the OS which will deal further with the repair issue?

Geert Hendrickx <ghen>


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