Merge tag 'expand-bmap-intent-usage_2024-02-23' of https://git.kernel.org/pub/scm...

xfs: support attrfork and unwritten BUIs

In preparation for atomic extent swapping and the online repair
functionality that wants atomic extent swaps, enhance the BUI code so
that we can support deferred work on the extended attribute fork and on
unwritten extents.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
* tag 'expand-bmap-intent-usage_2024-02-23' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux:
  xfs: xfs_bmap_finish_one should map unwritten extents properly
  xfs: support deferred bmap updates on the attr fork