[PATCH 33/37] Re: [2.6-BK-URL] NTFS: 2.1.21 - Big update with race/bugfixes

[Anton Altaparmakov]

This is patch 33/37 in the series.  It contains the following ChangeSet:

<aia21@xxxxxxxxxx> (04/10/15 1.2053)
   NTFS: Add helpers fs/ntfs/layout.h::MK_MREF() and MK_LE_MREF().
   
   Signed-off-by: Anton Altaparmakov <aia21@xxxxxxxxxx>

Best regards,

	Anton
-- 
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Unix Support, Computing Service, University of Cambridge, CB2 3QH, UK
Linux NTFS maintainer / IRC: #ntfs on irc.freenode.net
WWW: http://linux-ntfs.sf.net/, http://www-stu.christs.cam.ac.uk/~aia21/

===================================================================

diff -Nru a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
--- a/fs/ntfs/ChangeLog	2004-10-19 10:15:06 +01:00
+++ b/fs/ntfs/ChangeLog	2004-10-19 10:15:06 +01:00
@@ -133,6 +133,7 @@
 	  add a declaration for it to inode.h.  Fix some compilation issues
 	  that resulted due to #includes and header file interdependencies.
 	- Simplify setup of i_mode in fs/ntfs/inode.c::ntfs_read_locked_inode().
+	- Add helpers fs/ntfs/layout.h::MK_MREF() and MK_LE_MREF().
 
 2.1.20 - Fix two stupid bugs introduced in 2.1.18 release.
 
diff -Nru a/fs/ntfs/layout.h b/fs/ntfs/layout.h
--- a/fs/ntfs/layout.h	2004-10-19 10:15:06 +01:00
+++ b/fs/ntfs/layout.h	2004-10-19 10:15:06 +01:00
@@ -316,6 +316,10 @@
 typedef u64 MFT_REF;
 typedef le64 leMFT_REF;
 
+#define MK_MREF(m, s)	((MFT_REF)(((MFT_REF)(s) << 48) |		\
+					((MFT_REF)(m) & MFT_REF_MASK_CPU)))
+#define MK_LE_MREF(m, s) cpu_to_le64(MK_MREF(m, s))
+
 #define MREF(x)		((unsigned long)((x) & MFT_REF_MASK_CPU))
 #define MSEQNO(x)	((u16)(((x) >> 48) & 0xffff))
 #define MREF_LE(x)	((unsigned long)(le64_to_cpu(x) & MFT_REF_MASK_CPU))
-
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