xfs: convert m_dirblksize to xfs_da_geometry

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

diff --cc fs/xfs/xfs_da_btree.c
Simple merge

diff --cc fs/xfs/xfs_da_format.c
Simple merge

diff --cc fs/xfs/xfs_dir2.c
Simple merge

diff --cc fs/xfs/xfs_dir2.h
Simple merge

diff --cc fs/xfs/xfs_dir2_block.c
Simple merge

diff --cc fs/xfs/xfs_dir2_data.c
Simple merge

diff --cc fs/xfs/xfs_dir2_leaf.c
Simple merge

diff --cc fs/xfs/xfs_dir2_node.c
Simple merge

diff --cc fs/xfs/xfs_dir2_priv.h
Simple merge

diff --cc fs/xfs/xfs_dir2_readdir.c
Simple merge

diff --cc fs/xfs/xfs_dir2_sf.c
Simple merge

diff --cc fs/xfs/xfs_fsops.c
Simple merge

diff --cc fs/xfs/xfs_mount.h
Simple merge

diff --cc fs/xfs/xfs_trans_resv.c
Simple merge