X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=fs%2Fxfs%2Fxfs_bmap.h;h=4f24c7e39b318aaab33de505336bc78ba3b41994;hb=ebaf0c6032f525ddb0158fb59848d41899dce8cd;hp=8e0d73d9ccc453557bc494cfe0158c60993cc43e;hpb=3145012c1c34a3504a2234bd2034ca6ea4767bc5;p=karo-tx-linux.git

diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h
index 8e0d73d9ccc4..4f24c7e39b31 100644
--- a/fs/xfs/xfs_bmap.h
+++ b/fs/xfs/xfs_bmap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
  * All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -25,6 +25,20 @@ struct xfs_inode;
 struct xfs_mount;
 struct xfs_trans;
 
+/*
+ * DELTA: describe a change to the in-core extent list.
+ *
+ * Internally the use of xed_blockount is somewhat funky.
+ * xed_blockcount contains an offset much of the time because this
+ * makes merging changes easier.  (xfs_fileoff_t and xfs_filblks_t are
+ * the same underlying type).
+ */
+typedef struct xfs_extdelta
+{
+	xfs_fileoff_t		xed_startoff;	/* offset of range */
+	xfs_filblks_t		xed_blockcount;	/* blocks in range */
+} xfs_extdelta_t;
+
 /*
  * List of extents to be free "later".
  * The list is kept sorted on xbf_startblock.
@@ -188,7 +202,6 @@ int						/* error */
 xfs_bmap_finish(
 	struct xfs_trans	**tp,		/* transaction pointer addr */
 	xfs_bmap_free_t		*flist,		/* i/o: list extents to free */
-	xfs_fsblock_t		firstblock,	/* controlled a.g. for allocs */
 	int			*committed);	/* xact committed or not */
 
 /*
@@ -275,7 +288,9 @@ xfs_bmapi(
 	xfs_extlen_t		total,		/* total blocks needed */
 	struct xfs_bmbt_irec	*mval,		/* output: map values */
 	int			*nmap,		/* i/o: mval size/count */
-	xfs_bmap_free_t		*flist);	/* i/o: list extents to free */
+	xfs_bmap_free_t		*flist,		/* i/o: list extents to free */
+	xfs_extdelta_t		*delta);	/* o: change made to incore
+						   extents */
 
 /*
  * Map file blocks to filesystem blocks, simple version.
@@ -309,6 +324,8 @@ xfs_bunmapi(
 	xfs_fsblock_t		*firstblock,	/* first allocated block
 						   controls a.g. for allocs */
 	xfs_bmap_free_t		*flist,		/* i/o: list extents to free */
+	xfs_extdelta_t		*delta,		/* o: change made to incore
+						   extents */
 	int			*done);		/* set if not done yet */
 
 /*