xfs: kill copy and paste segment checks in xfs_file_aio_read
xfs: kill copy and paste segment checks in xfs_file_aio_read

The generic segment check code now returns a count of the number of
bytes in the iovec, so we don't need to roll our own anymore.

Signed-off-by: Dave Chinner <4d9e23a041ac966f5316a7481300d4ae12e806fe@redhat.com>
Signed-off-by: Ben Myers <46e490cac450e85a9cba3059365826296771cc03@sgi.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs