[XFS] kill the XFS_IMAP_BULKSTAT flag

Just pass down the XFS_IGET_* flags all the way down to xfs_imap instead
of translating them mid-way.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>

fs/xfs/xfs_inode.h

@@ -166,11 +166,6 @@ typedef struct xfs_icdinode {
 #define	XFS_IFBROOT	0x04	/* i_broot points to the bmap b-tree root */
 #define	XFS_IFEXTIREC	0x08	/* Indirection array of extent blocks */
 
-/*
- * Flags for xfs_inotobp and xfs_imap().
- */
-#define XFS_IMAP_BULKSTAT	0x1
-
 /*
  * Fork handling.
  */