From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ming Lin <mlin@kernel.org>
Subject: Re: bcachefs xattr
Date: Thu, 13 Aug 2015 00:49:13 -0700
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	 <20150813074123.GA14629@moria.home.lan>
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To: Kent Overstreet <kent.overstreet@gmail.com>
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On Wed, 2015-08-12 at 23:41 -0800, Kent Overstreet wrote:
> On Thu, Aug 13, 2015 at 12:39:07AM -0700, Ming Lin wrote:
> > Hi Kent,
> > 
> > Seems the max length of xattr name+value is only 2004 bytes.
> > Why the limit of U8_MAX below?
> 
> The size of the key and value is stored as a u8 in units of u64s - the u64s
> field of struct bkey.

xfstests/generic/020 failed.
Got it now.

xfs supports 64KB values.
In order to support larger size of value, does it make sense to store
the value in "extent"?