ocfs2: do not include dio entry in case of orphan scan
dio entry will only do truncate in case of ORPHAN_NEED_TRUNCATE. So do
not include it when doing normal orphan scan to reduce contention.
Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ocfs2/namei.h b/fs/ocfs2/namei.h
index e173329..1155918 100644
--- a/fs/ocfs2/namei.h
+++ b/fs/ocfs2/namei.h
@@ -26,6 +26,9 @@
#ifndef OCFS2_NAMEI_H
#define OCFS2_NAMEI_H
+#define OCFS2_DIO_ORPHAN_PREFIX "dio-"
+#define OCFS2_DIO_ORPHAN_PREFIX_LEN 4
+
extern const struct inode_operations ocfs2_dir_iops;
struct dentry *ocfs2_get_parent(struct dentry *child);