make comments more precise

[unix-history] / usr / src / sys / ufs / lfs / lfs_balloc.c

diff --git a/usr/src/sys/ufs/lfs/lfs_balloc.c b/usr/src/sys/ufs/lfs/lfs_balloc.c
index 2af6341..8954954 100644 (file)
--- a/usr/src/sys/ufs/lfs/lfs_balloc.c
+++ b/usr/src/sys/ufs/lfs/lfs_balloc.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)lfs_balloc.c        7.12 (Berkeley) %G%
+ *     @(#)lfs_balloc.c        7.13 (Berkeley) %G%

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -19,9 +19,10 @@
 #include "fs.h"
 
 /*
 #include "fs.h"
 
 /*

- * Bmap defines the structure of file system storage
- * by returning the physical block number on a device
- * given the inode and the logical block number in a file.
+ * Bmap converts a the logical block number of a file
+ * to its physical block number on the disk. The conversion
+ * is done by using the logical block number to index into
+ * the array of block pointers described by the dinode.

  */
 bmap(ip, bn, bnp)
        register struct inode *ip;
  */
 bmap(ip, bn, bnp)
        register struct inode *ip;