xfs: add discontiguous buffer map interface
authorDave Chinner <dchinner@redhat.com>
Fri, 22 Jun 2012 08:50:10 +0000 (18:50 +1000)
committerBen Myers <bpm@sgi.com>
Sun, 1 Jul 2012 19:50:05 +0000 (14:50 -0500)
commit6dde27077eaf590eac279627f74b7e4e40b864b2
tree0556e1118b68fc251c33ba650a0ffc75e7caa8d9
parent3e85c868a697805a3d4c7800a6bacdfc81d15cdf
xfs: add discontiguous buffer map interface

With the internal interfaces supporting discontiguous buffer maps,
add external lookup, read and get interfaces so they can start to be
used.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
fs/xfs/xfs_buf.c
fs/xfs/xfs_buf.h