Re: Max. number of subdirectories dump

[Johnny Billquist <bqt%softjar.se@localhost>]

On 2013-08-18 15:58, Martin Husemann wrote:
> On Sun, Aug 18, 2013 at 03:08:21PM +0200, Manuel Wiesinger wrote:
> > When testing, the maximum number of subdirectories was 32767, which is
> > (2^15)-1, when trying to add a 32767th directory, I got the error
> > message: "Too many links".
>
> This one is simple: a subdirectory has a ".." entry, which increases
> the link count in the parent directory, so overall you can not have
> more than LINK_MAX subdirectories.
>
> > When my tools reads only the single indirect blocks, it get all 32767
> > subdirectories.
>
> This is assuming there are no regular files in the directory. If there
> are (first, before the subdirectories), will it still work?

It might also fail if the names of the subdirectories are rather long, I 
would suspect...

        Johnny

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