NTFS: Stamp the transaction log ($UsnJrnl), aka user space journal, if it
is active on the volume and we are mounting read-write or remounting
from read-only to read-write.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
diff --git a/fs/ntfs/layout.h b/fs/ntfs/layout.h
index 458cb54..03c3e86 100644
--- a/fs/ntfs/layout.h
+++ b/fs/ntfs/layout.h
@@ -936,20 +936,12 @@
/* 56*/ le64 quota_charged; /* Byte size of the charge to
the quota for all streams of the file. Note: Is
zero if quotas are disabled. */
- /* 64*/ le64 usn; /* Last update sequence number
- of the file. This is a direct index into the
- change (aka usn) journal file. It is zero if
- the usn journal is disabled.
- NOTE: To disable the journal need to delete
- the journal file itself and to then walk the
- whole mft and set all Usn entries in all mft
- records to zero! (This can take a while!)
- The journal is FILE_Extend/$UsnJrnl. Win2k
- will recreate the journal and initiate
- logging if necessary when mounting the
- partition. This, in contrast to disabling the
- journal is a very fast process, so the user
- won't even notice it. */
+ /* 64*/ USN usn; /* Last update sequence number
+ of the file. This is a direct index into the
+ transaction log file ($UsnJrnl). It is zero if
+ the usn journal is disabled or this file has
+ not been subject to logging yet. See usnjrnl.h
+ for details. */
} __attribute__ ((__packed__)) v3;
/* sizeof() = 72 bytes (NTFS 3.x) */
} __attribute__ ((__packed__)) ver;
@@ -1912,7 +1904,7 @@
VOLUME_FLAGS_MASK = const_cpu_to_le16(0x803f),
/* To make our life easier when checking if we must mount read-only. */
- VOLUME_MUST_MOUNT_RO_MASK = const_cpu_to_le16(0x8037),
+ VOLUME_MUST_MOUNT_RO_MASK = const_cpu_to_le16(0x8027),
} __attribute__ ((__packed__));
typedef le16 VOLUME_FLAGS;
