[XFS] kill the v_flag member in struct bhv_vnode

All flags previously handled at the vnode level are not in the xfs_inode
where we already have a flags mechanisms and free bits for flags
previously in the vnode.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29495a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 7ebbfa0..f2c037a 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -660,7 +660,7 @@
 			 * vnode and flush it when the file is closed, and
 			 * do not wait the usual (long) time for writeout.
 			 */
-			VTRUNCATE(vp);
+			xfs_iflags_set(ip, XFS_ITRUNCATED);
 		}
 		/*
 		 * Have to do this even if the file's size doesn't change.
@@ -1519,6 +1519,8 @@
 		return 0;
 
 	if (!XFS_FORCED_SHUTDOWN(mp)) {
+		int truncated;
+
 		/*
 		 * If we are using filestreams, and we have an unlinked
 		 * file that we are processing the last close on, then nothing
@@ -1539,7 +1541,13 @@
 		 * significantly reducing the time window where we'd otherwise
 		 * be exposed to that problem.
 		 */
-		if (VUNTRUNCATE(vp) && VN_DIRTY(vp) && ip->i_delayed_blks > 0)
+		spin_lock(&ip->i_flags_lock);
+		truncated = __xfs_iflags_test(ip, XFS_ITRUNCATED);
+		if (truncated)
+			ip->i_flags &= ~XFS_ITRUNCATED;
+		spin_unlock(&ip->i_flags_lock);
+
+		if (truncated && VN_DIRTY(vp) && ip->i_delayed_blks > 0)
 			xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE);
 	}