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[debbugs-tracker] bug#12301: closed (tail -F & ZFS)

From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#12301: closed (tail -F & ZFS)
Date: Wed, 29 Aug 2012 16:32:02 +0000

Your message dated Wed, 29 Aug 2012 18:30:39 +0200
with message-id <address@hidden>
and subject line Re: bug#12301: tail -F & ZFS
has caused the debbugs.gnu.org bug report #12301,
regarding tail -F & ZFS
to be marked as done.

(If you believe you have received this mail in error, please contact

12301: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12301
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: tail -F & ZFS Date: Wed, 29 Aug 2012 08:00:29 +0300 User-agent: Roundcube Webmail

I'm using Gentoo linux on ZFS and see following when opened file with tail -F (or -f): tail: unrecognized file system type 0x2fc12fc1 for ‘/var/log/messages’. please report this to address@hidden reverting to polling

Distro: Gentoo
Kernel: 3.2.22
Coreutils: 8.16

Raimonds Miltiņš
phone: +371 26101996
gsm:   +371 29427647

--- End Message ---
--- Begin Message --- Subject: Re: bug#12301: tail -F & ZFS Date: Wed, 29 Aug 2012 18:30:39 +0200
Pádraig Brady wrote:
>> Hmm... fsid=0x4010002.
>> That is definitely not the same number as what is now recorded in
>> stat.c, so this deserves more investigation:
>>     case S_MAGIC_ZFS: /* 0x2FC12FC1 local */
>>       return "zfs";
>> This also shows there is room for improvement.
>> (should print the hexadecimal FSID):
>>     sol10$ ./stat --fo=%t -f /
>>     ?
>> This latter might deserve its own bug, but for now,
>> I've simply reopened the original ZFS-related bug.
> I don't think there is an issue here.
> fsid is a per file system rather than per file system type.
> So '?' is correct on Solaris as it doesn't expose the file
> system type ID (it doesn't have statfs).
> Also tail will default to the more portable polling
> method when f_type is not available.

Oh, good.  Then this really is "done".  Marking as such.

--- End Message ---

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