e2fsck: check inline dir size is a multiple of 4

Directory entries must have a size that's a multiple of 4; therefore
the inline directory structure must also have a size that is a muliple
of 4.  Since e2fsck doesn't check this, we should check that now.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
3 files changed