Move the xfs_is_always_cow_inode check from the caller into
xfs_alloc_file_space to prepare for refactoring of xfs_file_fallocate.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240827065123.1762168-6-hch@lst.deReviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>