From: Ming Lin <mlin@kernel.org>
To: Kent Overstreet <kent.overstreet@gmail.com>
Cc: linux-bcache@vger.kernel.org
Subject: Re: bcachefs xattr
Date: Thu, 13 Aug 2015 00:49:13 -0700 [thread overview]
Message-ID: <1439452153.21532.2.camel@hasee> (raw)
In-Reply-To: <20150813074123.GA14629@moria.home.lan>
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"?
next prev parent reply other threads:[~2015-08-13 7:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-13 7:39 bcachefs xattr Ming Lin
2015-08-13 7:41 ` Kent Overstreet
2015-08-13 7:49 ` Ming Lin [this message]
2015-08-13 7:50 ` Kent Overstreet
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