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Re: Extended Attributes

To: <linux-xfs@xxxxxxxxxxx>
Subject: Re: Extended Attributes
From: "Mark Feldman" <feldmark@xxxxxxxxxxxxxxxxx>
Date: Thu, 6 Dec 2001 05:35:55 +0900
References: <ACD4093EB009D411BC8A009027D7699660A15D@mail.tapeware.com> <1007577855.22718.24.camel@jen.americas.sgi.com>
Sender: owner-linux-xfs@xxxxxxxxxxx
How about limitations on the total number of EA's per file or the total
space they can take up per file.  Could I have 200, 64K EA's per file?  500?
1000?  10000?

Mark

----- Original Message -----
From: "Steve Lord" <lord@xxxxxxx>
To: "Quang Nguyen (Ngo)" <quang.nguyen@xxxxxxxxxxxx>
Cc: <linux-xfs@xxxxxxxxxxx>
Sent: Thursday, December 06, 2001 3:44 AM
Subject: Re: Extended Attributes


> On Wed, 2001-12-05 at 12:39, Quang Nguyen (Ngo) wrote:
> > What are the limitations on extended attributes when calling attr_set()
and
> > attr_setf()?  How much space can each node hold, and what are the
> > side-effects?
>
> Each one can hold 64K of data. No side effects really - except it will
> take a little longer to remove the file.
>
> >
> > Does anyone know if other journaling file systems also support extended
> > attributes besides XFS?
>
> Given there is a patch for ext2, it is not inconceivble that ext3
> will support them at some point. Reiserfs will probably end up with
> them, or something like them, Hans liked multiple streams in a file.
> Not sure about jfs - it may on os2, but probably does not on Linux.
>
> Steve
>
> >
> > Thanks,
> > Quang
> >
> >
> > _____________________________________________________________________
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> --
>
> Steve Lord                                      voice: +1-651-683-3511
> Principal Engineer, Filesystem Software         email: lord@xxxxxxx
>


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