From: Darrick J. Wong <djwong@xxxxxxxxxx> Metadata directories are never candidates to be the root of the user-accessible directory tree. Update has_plausible_rootdir to ignore them all, as well as detecting the case where the superblock incorrectly thinks both trees have the same root. Signed-off-by: "Darrick J. Wong" <djwong@xxxxxxxxxx> Reviewed-by: Christoph Hellwig <hch@xxxxxx> --- repair/xfs_repair.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/repair/xfs_repair.c b/repair/xfs_repair.c index 70cab1ad852a21..30b014898c3203 100644 --- a/repair/xfs_repair.c +++ b/repair/xfs_repair.c @@ -546,9 +546,15 @@ has_plausible_rootdir( int error; bool ret = false; + if (xfs_has_metadir(mp) && + mp->m_sb.sb_rootino == mp->m_sb.sb_metadirino) + goto out; + error = -libxfs_iget(mp, NULL, mp->m_sb.sb_rootino, 0, &ip); if (error) goto out; + if (xfs_is_metadir_inode(ip)) + goto out_rele; if (!S_ISDIR(VFS_I(ip)->i_mode)) goto out_rele;
