[XFS] Fix barrier status change detection.
[XFS] Fix barrier status change detection.

The current code in xlog_iodone() uses the wrong macro to check if the
barrier has been cleared due to an EOPNOTSUPP error form the lower layer.

SGI-PV: 986143

SGI-Modid: xfs-linux-melb:xfs-kern:31984a

Signed-off-by: David Chinner <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@fromorbit.com>
Signed-off-by: Nathaniel W. Turner <4f3407de78bccc8cc160ee4d278d5efe7162e6b5@houseofnate.net>
Signed-off-by: Peter Leckie <3c3cc87ba6d6ed4160d181de3dab013e3368cc67@sgi.com>
Signed-off-by: Lachlan McIlroy <f5e96ceb240f4c6b121fe0445b266d7666b5fe0e@sgi.com>

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