From: "Verma, Vishal L" <vishal.l.verma@intel.com>
To: "Williams, Dan J" <dan.j.williams@intel.com>,
"James.Bottomley@HansenPartnership.com"
<James.Bottomley@HansenPartnership.com>,
"neilb@suse.com" <neilb@suse.com>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"jmoyer@redhat.com" <jmoyer@redhat.com>,
"axboe@fb.com" <axboe@fb.com>
Subject: Re: [PATCH v2 1/3] badblocks: Add core badblock management code
Date: Tue, 8 Dec 2015 21:08:23 +0000 [thread overview]
Message-ID: <1449608892.16905.121.camel@intel.com> (raw)
In-Reply-To: <87egewslfa.fsf@notabene.neil.brown.name>
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On Wed, 2015-12-09 at 08:03 +1100, NeilBrown wrote:
> On Sat, Dec 05 2015, Verma, Vishal L wrote:
> > >
> > > > +int badblocks_clear(struct badblocks *bb, sector_t s, int
> > > > sectors)
> > > > +{
> > > [...]
> > > > +#define DO_DEBUG 1
> > >
> > > Why have this at all if it's unconditionally defined and always
> > > set.
> >
> > Neil - any reason or anything you had in mind for this? Or is it
> > just an
> > artifact and can be removed.
>
> Like the comment says:
>
> /* Allow clearing via sysfs *only* for testing/debugging.
> * Normally only a successful write may clear a badblock
> */
>
> The DO_DEBUG define and ifdefs are documentation identifying bits of
> code that should be removed when it all seems to be working.
> Maybe now is a good time to remove that code.
>
Hm, I think it would be nice to continue to have the ability to clear
badblocks using sysfs at least for a while more, as we test the various
error handling paths for NVDIMMS (Dan, thoughts?).
We could either remove it later or (I'm leaning towards) make it a
config option similar to FAIL_MAKE_REQUEST and friends..
-Vishal
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next prev parent reply other threads:[~2015-12-08 21:08 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-25 18:43 [PATCH v2 0/3] Badblock tracking for gendisks Vishal Verma
2015-11-25 18:43 ` [PATCH v2 1/3] badblocks: Add core badblock management code Vishal Verma
2015-12-04 23:30 ` James Bottomley
2015-12-04 23:58 ` Verma, Vishal L
2015-12-05 0:06 ` James Bottomley
2015-12-05 0:11 ` Verma, Vishal L
2015-12-08 21:03 ` NeilBrown
2015-12-08 21:08 ` Verma, Vishal L [this message]
2015-12-08 21:18 ` Dan Williams
2015-12-08 23:47 ` Verma, Vishal L
2015-12-22 5:34 ` NeilBrown
2015-12-22 22:13 ` Verma, Vishal L
2015-12-22 23:06 ` NeilBrown
2015-12-23 0:38 ` Verma, Vishal L
2015-11-25 18:43 ` [PATCH v2 2/3] block: Add badblock management for gendisks Vishal Verma
2015-12-04 23:33 ` James Bottomley
2015-12-05 0:17 ` Verma, Vishal L
2015-11-25 18:43 ` [PATCH v2 3/3] md: convert to use the generic badblocks code Vishal Verma
2015-12-01 18:55 ` Shaohua Li
2015-12-01 19:52 ` Verma, Vishal L
2015-12-04 22:53 ` [PATCH v2 0/3] Badblock tracking for gendisks Verma, Vishal L
-- strict thread matches above, loose matches on Subject: below --
2015-12-08 2:52 Vishal Verma
2015-12-08 2:52 ` [PATCH v2 1/3] badblocks: Add core badblock management code Vishal Verma
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