[XFS] Stack footprint reduction for xfs_swapext (used from xfs_fsr)
[XFS] Stack footprint reduction for xfs_swapext (used from xfs_fsr)

SGI-PV: 913332
SGI-Modid: xfs-linux:xfs-kern:198926a

Signed-off-by: Eric Sandeen <d55521028c14e0f378be5444e4ea388161c0d7e7@sgi.com>
Signed-off-by: Nathan Scott <e2e3f1f24cbc439f8c1ba9b08f9954237d64be64@sgi.com>

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