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[lvm-devel] LVM2/lib/report columns.h



CVSROOT:	/cvs/lvm2
Module name:	LVM2
Changes by:	wysochanski sourceware org	2009-05-06 15:25:23

Modified files:
	lib/report     : columns.h 

Log message:
	Update columns.h comment.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/report/columns.h.diff?cvsroot=lvm2&r1=1.34&r2=1.35

--- LVM2/lib/report/columns.h	2009/04/25 01:18:00	1.34
+++ LVM2/lib/report/columns.h	2009/05/06 15:25:23	1.35
@@ -35,7 +35,10 @@
  * it is pointer that may be used to derive the data value (for example,
  * seg_count - see _lvsegcount_disp()).  In the FIELD macro definition,
  * this is used in an offset calculation to derive the offset to the
- * data value from the containing struct base address.
+ * data value from the containing struct base address.  Note that in some
+ * cases, the argument is the first member of the struct, in which case the
+ * data value pointer points to the start of the struct itself (for example,
+ * 'lvid' field of struct 'lv').
  * 6. Minimum display width.  This is the minimum width used to display
  * the field value.
  * 7. Display function identifier.  Used to derive the full name of the


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