ntfsclone: added a new option, --rescue. It ignores read errors

so disks having bad sectors (dying disks) can be rescued. The content
of the cluster having bad sectors is filled by character '2' and the
start of the cluster is marked by "BadClusteR".

(Logical change 1.682)

ChangeLog

@@ -113,6 +113,10 @@ xx/xx/2005 - 2.0.0-WIP
 	- ntfsclone: added a new option, --ignore-fs-check. It can be used
 	  only with the --metadata option. The clusters causing the 
 	  inconsistency are saved too. (Szaka)
+	- ntfsclone: added a new option, --rescue. It ignores read errors
+	  so disks having bad sectors (dying disks) can be rescued. The content
+	  of the cluster having bad sectors is filled by character '2' and the
+	  start of the cluster is marked by "BadClusteR". (Szaka)
 
 04/09/2004 - 1.9.4 - Urgent bug fixes.
 

TODO.ntfsprogs

@@ -27,9 +27,8 @@ Thanks,
 - get rid of the unneeded lseek()'s during reads/writes (probably it 
   doesn't improve performance much, or any at all)
 - catch if source and dest are the same
-- add dd's noerror option
+- rescue: when reading a cluster fails then try rescue at the sector level 
 - disable consistency check for --metadata (e.g. if the check is crashing)
-- ignore consistency check (different than "disabling" fsck)
 - make "wiped", etc statistic variables long long
 - option: --inode 
 - option: --data