On 5/5/22 11:05 AM, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@xxxxxxxxxx>
>
> Make sure we detect and correct mismatches between the V5 features
> described in the primary and the secondary superblocks.
>
> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> ---
> + if ((mp->m_sb.sb_features_incompat ^ sb->sb_features_incompat) &
> + ~XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR) {
I'd like to add a comment about why XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR is special.
(Why is XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR special? Just because userspace doesn't
bother to set it on all superblocks in the upgrade paths, right?)
-Eric
