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/volume.h b/fs/ntfs/volume.h
index 4b97fa8..62be73a 100644
--- a/fs/ntfs/volume.h
+++ b/fs/ntfs/volume.h
@@ -2,7 +2,7 @@
* volume.h - Defines for volume structures in 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
@@ -54,7 +54,7 @@
mode_t dmask; /* The mask for directory
permissions. */
u8 mft_zone_multiplier; /* Initial mft zone multiplier. */
- u8 on_errors; /* What to do on file system errors. */
+ u8 on_errors; /* What to do on filesystem errors. */
/* NTFS bootsector provided information. */
u16 sector_size; /* in bytes */
u8 sector_size_bits; /* log2(sector_size) */
@@ -141,6 +141,7 @@
file names in WIN32 namespace. */
NV_LogFileEmpty, /* 1: $LogFile journal is empty. */
NV_QuotaOutOfDate, /* 1: $Quota is out of date. */
+ NV_SparseEnabled, /* 1: May create sparse files. */
} ntfs_volume_flags;
/*
@@ -167,5 +168,6 @@
NVOL_FNS(CaseSensitive)
NVOL_FNS(LogFileEmpty)
NVOL_FNS(QuotaOutOfDate)
+NVOL_FNS(SparseEnabled)
#endif /* _LINUX_NTFS_VOLUME_H */