"tar --one-file-system" accesses remote file systems
Larry Hall (Cygwin)
Wed Feb 13 20:41:00 GMT 2008
Matt Seitz (matseitz) wrote:
>> From: Larry Hall (Cygwin)
>> Matt Seitz (matseitz) wrote:
>>>> Matt Seitz (matseitz) wrote:
>>>>> This problem and a proposed solution was mentioned in an earlier
>>> Ah, yes, the mounted CIFS share is reported as a FAT file
>> That's it I expect. Going straight to the code, in
>> fhandler_disk_file.cc, here's some code from
>> /* Enforce namehash as inode number on untrusted file systems. */
>> if (pc.isgood_inode (nFileIndex))
>> buf->st_ino = (__ino64_t) nFileIndex;
>> buf->st_ino = get_namehash ();
>> One of the things that isgood_inode() checks for is that it's
>> not a FAT drive. In case it is, you end up with a faked hash inode.
> Thanks for the diagnosis. I'm curious about something. The message I
> reference above also mentioned an issue with "st_dev". It seems to imply
> that correcting the "st_dev" to use the volume serial number could resolve
> this issue. What is your opinion on that theory?
Given that the message you found refers to code that's a good 10 years
old, I think it's safe to assume that things here have changed. ;-)
And they have. I found no "42" anywhere in the code that is related
to st_dev. So that "oddness" is now gone.
Larry Hall http://www.rfk.com
RFK Partners, Inc. (508) 893-9779 - RFK Office
216 Dalton Rd. (508) 893-9889 - FAX
Holliston, MA 01746
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email?
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