linux-kernel - Re: [PATCH] libosd: Remove ignored _

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Message-ID: <1540589437.66186.124.camel@acm.org>
Date:   Fri, 26 Oct 2018 14:30:37 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>, ooo@...ctrozaur.com
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        hch@...radead.org
Subject: Re: [PATCH] libosd: Remove ignored __weak attribute

On Fri, 2018-10-26 at 14:00 -0700, Nick Desaulniers wrote:
> On Fri, Oct 26, 2018 at 11:01 AM Bart Van Assche <bvanassche@....org> wrote:
> > 
> > On Fri, 2018-10-26 at 10:54 -0700, Nick Desaulniers wrote:
> > > If creating one instance of this variable is a functional change, I
> > > can't help but suspect the original code was wrong.  But maybe Bart,
> > > Boaz, or Christoph can clarify or have more thoughts on this?  Looks
> > > like Boaz added this header in commit de258bf5e638 ("[SCSI] libosd:
> > > OSDv1 Headers").
> > 
> > Hi Nick and Nathan,
> > 
> > Had you noticed the following e-mail from early October:
> > https://marc.info/?l=linux-kernel&m=153849955503249?
> 
> From this subthread with Linus, removal of the exofs fs and scsi osd
> code would be a user visible change and is not an option. See:
> https://lkml.org/lkml/2018/10/27/3
> https://lkml.org/lkml/2018/10/27/44

Hi Nick,

Linus wrote that removing a filesystem is considered a userspace breakage
if a user notices. The key part is "if a user notices". Who are the exofs
users?

Bart.