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Date:      Wed, 11 Mar 2015 15:54:21 -0600
From:      Kim Shrier <kim@westryn.net>
To:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Cc:        int0dster@gmail.com
Subject:   Re: file system change notifications
Message-ID:  <F2A12ACA-3D13-4789-94CA-BCBDE4A0A87B@westryn.net>
In-Reply-To: <CAF10W3yCgeZfz9B4hEepTM1A5wdL60L9fhBGWONrMJ_75jMiww@mail.gmail.com>
References:  <C4BD68D4-0570-4731-AFA2-CDD4DD5490E5@westryn.net> <CAF10W3yCgeZfz9B4hEepTM1A5wdL60L9fhBGWONrMJ_75jMiww@mail.gmail.com>

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On Mar 11, 2015, at 1:14 PM, Ivan Krivonos <int0dster@gmail.com> wrote:
> 
> Hi,
> 
> Have not read this paper, but why just don`t kqueue() ?
> 

Apparently, you have to have a file descriptor for every file you want to
monitor, if I read things right.  This is prohibitive with 100,000+ files.
It also means that you cannot unmount a file system if you are monitoring
any files in it, since the file system is considered busy.

Kim



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