NTFS: - Add disable_sparse mount option together with a per volume sparse
enable bit which is set appropriately and a per inode sparse disable
bit which is preset on some system file inodes as appropriate.
- Enforce that sparse support is disabled on NTFS volumes pre 3.0.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
diff --git a/fs/ntfs/inode.h b/fs/ntfs/inode.h
index 56b2d6e..6eb9977 100644
--- a/fs/ntfs/inode.h
+++ b/fs/ntfs/inode.h
@@ -2,7 +2,7 @@
* inode.h - Defines for inode structures NTFS Linux kernel driver. Part of
* the Linux-NTFS project.
*
- * Copyright (c) 2001-2004 Anton Altaparmakov
+ * Copyright (c) 2001-2005 Anton Altaparmakov
* Copyright (c) 2002 Richard Russon
*
* This program/include file is free software; you can redistribute it and/or
@@ -166,6 +166,7 @@
NI_Sparse, /* 1: Unnamed data attr is sparse (f).
1: Create sparse files by default (d).
1: Attribute is sparse (a). */
+ NI_SparseDisabled, /* 1: May not create sparse regions. */
NI_TruncateFailed, /* 1: Last ntfs_truncate() call failed. */
} ntfs_inode_state_bits;
@@ -218,6 +219,7 @@
NINO_FNS(Compressed)
NINO_FNS(Encrypted)
NINO_FNS(Sparse)
+NINO_FNS(SparseDisabled)
NINO_FNS(TruncateFailed)
/*