xfs: hoist multi-fsb allocation unit detection to a helper

Replace the open-coded logic to decide if a file has a multi-fsb
allocation unit to a helper to make the code easier to read.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2024-04-15 14:54:11 -07:00
commit 6b700a5be9
2 changed files with 11 additions and 2 deletions