From 76cc3b3c6a9d339ee76ae479e8e3406eb3422f66 Mon Sep 17 00:00:00 2001
From: "(none)!yura" <(none)!yura>
Date: Thu, 14 Oct 2004 18:23:21 +0000
Subject: [PATCH] improve ntfs_non_resident_attr_record_add

(Logical change 1.612)
---
 libntfs/attrib.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libntfs/attrib.c b/libntfs/attrib.c
index 3b5dc560..f10876cd 100644
--- a/libntfs/attrib.c
+++ b/libntfs/attrib.c
@@ -2508,6 +2508,15 @@ int ntfs_non_resident_attr_record_add(ntfs_inode *ni, ATTR_TYPES type,
 	a->lowest_vcn = cpu_to_sle64(lowest_vcn);
 	a->mapping_pairs_offset = cpu_to_le16(length - dataruns_size);
 	a->compression_unit = (flags & ATTR_IS_COMPRESSED) ? 4 : 0;
+	/* If @lowest_vcn == 0, than setup empty attribute. */
+	if (!lowest_vcn) {
+		a->highest_vcn = cpu_to_sle64(-1);
+		a->allocated_size = 0;
+		a->data_size = 0;
+		a->initialized_size = 0;
+		/* Set empty mapping pairs. */
+		*((u8*) a + (length - dataruns_size)) = 0;
+	}
 	if (name_len)
 		memcpy((u8*)a + le16_to_cpu(a->name_offset),
 			name, sizeof(ntfschar) * name_len);