improve debugging messages related to WARN_ON
Add namei cleanup patches
Update to extent status v6 patches
add patch fix-xattr-block-allocation-release-with-bigalloc
Move support-ext-to-ind-migration to unstable
Add patch ext4-collapse-ordered-and-writeback-modes to unstable series
Remove stale extent status v5 entries from series file.  Also fix up
unstable patches so they all apply.
Add new patches fix-free-clusters-calculation-for-bigalloc-filesystem
and no-need-to-remove-extent-if-len-is-0-in-ext4_es_remove_extent and
add cc:stable@vger.kernel.org to fix-xattr-block-allocation-release-with-bigalloc