+ if (!XFS_FORCED_SHUTDOWN(mp)) {
+ /*
+ * If we are using filestreams, and we have an unlinked
+ * file that we are processing the last close on, then nothing
+ * will be able to reopen and write to this file. Purge this
+ * inode from the filestreams cache so that it doesn't delay
+ * teardown of the inode.
+ */
+ if ((ip->i_d.di_nlink == 0) && xfs_inode_is_filestream(ip))
+ xfs_filestream_deassociate(ip);
+
+ /*
+ * If we previously truncated this file and removed old data
+ * in the process, we want to initiate "early" writeout on
+ * the last close. This is an attempt to combat the notorious
+ * NULL files problem which is particularly noticable from a
+ * truncate down, buffered (re-)write (delalloc), followed by
+ * a crash. What we are effectively doing here is
+ * 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)
+ bhv_vop_flush_pages(vp, 0, -1, XFS_B_ASYNC, FI_NONE);
+ }
+