ocfs2: Use do_sync_mapping_range() in ocfs2_zero_tail_for_truncate()
ocfs2: Use do_sync_mapping_range() in ocfs2_zero_tail_for_truncate()

Do this instead of filemap_fdatawrite() - this way we sync only the
range between i_size and the cluster boundary.

Signed-off-by: Mark Fasheh <3dfef03b24d35cb667816693d0487c922cd46885@oracle.com>

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