On 12/5/19 10:28 AM, Darrick J. Wong wrote: > On Thu, Dec 05, 2019 at 09:37:27AM -0500, Brian Foster wrote: >> On Wed, Dec 04, 2019 at 09:04:43AM -0800, Darrick J. Wong wrote: >>> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> >>> >>> xfs_repair has a very old check that evidently excuses the AG 0 inode >>> btrees pointing to blocks that are already marked XR_E_INUSE_FS* (e.g. >>> AG headers). mkfs never formats filesystems that way and it looks like >>> an error, so purge the check. After this, we always complain if inodes >>> overlap with AG headers because that should never happen. >>> >>> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> >>> --- >> >> Strange.. This seems reasonable to me, but any idea on how this might >> have been used in the past? > > I don't have a clue -- this code has been there since the start of the > xfsprogs git repo and I don't have the pre-git history. Dave said > "hysterical raisins". Going back to 2001, I still don't know. It was in the original import. -Eric
