Merge tag 'metadir-cleanups-6.12_2024-09-02' of https://git.kernel.org/pub/scm/linux...

xfs: cleanups before adding metadata directories [v4.2 2/8]

Before we start adding code for metadata directory trees, let's clean up
some warts in the realtime bitmap code and the inode allocator code.

With a bit of luck, this should all go splendidly.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
* tag 'metadir-cleanups-6.12_2024-09-02' of https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux:
  xfs: pass the icreate args object to xfs_dialloc
  xfs: match on the global RT inode numbers in xfs_is_metadata_inode
  xfs: validate inumber in xfs_iget