NTFS: Add fs/ntfs/mft.[hc]::ntfs_mft_record_alloc() and various helper

      functions used by it.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>

fs/ntfs/ChangeLog

@@ -136,6 +136,8 @@ ToDo/Notes:
 	- Add helpers fs/ntfs/layout.h::MK_MREF() and MK_LE_MREF().
 	- Modify fs/ntfs/mft.c::map_extent_mft_record() to only verify the mft
 	  record sequence number if it is specified (i.e. not zero).
+	- Add fs/ntfs/mft.[hc]::ntfs_mft_record_alloc() and various helper
+	  functions used by it.
 
 2.1.20 - Fix two stupid bugs introduced in 2.1.18 release.
 

fs/ntfs/mft.h

@@ -118,6 +118,8 @@ extern BOOL ntfs_may_write_mft_record(ntfs_volume *vol,
 		const unsigned long mft_no, const MFT_RECORD *m,
 		ntfs_inode **locked_ni);
 
+extern ntfs_inode *ntfs_mft_record_alloc(ntfs_volume *vol, const int mode,
+		ntfs_inode *base_ni, MFT_RECORD **mrec);
 extern int ntfs_extent_mft_record_free(ntfs_inode *ni, MFT_RECORD *m);
 
 #endif /* NTFS_RW */