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Feature requests

Apr 7, 2010 at 7:36 PM


A few items I'd like to request for the NTFS file system:

1) Ability to create sparse files (e.g. modify files in place to be sparse or create new sparse files).  Extra credit if you do the 0sector scan, but I'm expecting the calling app to tell the api what sections are sparse.

2) Ability to compress files.  I know decompression is in place, but lack of compression means the os clone winds up building a bigger image in quite a few cases.  I put this at #2 since you probably need #1 implimented to enable this one

3) An equivalent to the movefile (defrag) api so one can set the lcn's of file extents.


Apr 10, 2010 at 3:02 PM

Hi Bill,

There's a work item for adding support for writing to compressed files (#3915).  Would you like to create new work items for APIs to get / set sparse regions file regions and to do defrag?