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Date: Wed, 24 Mar 2010 06:53:22 +1100 (EST)
From: Bruce Evans <brde@optusnet.com.au>
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To: Kirk McKusick <mckusick@mckusick.com>
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Cc: freebsd-fs@freebsd.org, Ivan Voras <ivoras@freebsd.org>
Subject: Re: UFS files in a directory limit? 
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On Sun, 21 Mar 2010, Kirk McKusick wrote:

>> From: Ivan Voras <ivoras@freebsd.org>
>> What is the limit on the number of files in a directory on UFS? I always
>> thought it is 32,767 (or near it) but now I see several directories on a
>> server with more than 36,000 files (yes it's inefficient, that's not the
>> point).
>
> The only limit on the size of a directory is the number of files that
> you can have in the filesystem. There is a limit of 2^16 directories
                                                       2^15-1
> within a directory due to the limit on the number of hard links.

Bruce