linux-kernel - Re: [PATCH 0/11] Per-bdi writeback flusher threads v9

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Message-ID: <4A20072B.7050807@nokia.com>
Date:	Fri, 29 May 2009 19:02:51 +0300
From:	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	Peter Zijlstra <peterz@...radead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"tytso@....edu" <tytso@....edu>,
	"chris.mason@...cle.com" <chris.mason@...cle.com>,
	"david@...morbit.com" <david@...morbit.com>,
	"hch@...radead.org" <hch@...radead.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"jack@...e.cz" <jack@...e.cz>,
	"yanmin_zhang@...ux.intel.com" <yanmin_zhang@...ux.intel.com>,
	"richard@....demon.co.uk" <richard@....demon.co.uk>,
	"damien.wyart@...e.fr" <damien.wyart@...e.fr>
Subject: Re: [PATCH 0/11] Per-bdi writeback flusher threads v9

Jens Axboe wrote:
>> diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
>> index 2349e2c..d1ac967 100644
>> --- a/fs/ubifs/super.c
>> +++ b/fs/ubifs/super.c
>> @@ -1929,6 +1929,9 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
>> 	err  = bdi_init(&c->bdi);
>> 	if (err)
>> 		goto out_close;
>> +	err = bdi_register(&c->bdi, NULL, "ubifs");
>> +	if (err)
>> +		goto out_close;
> 
> Not quite right, you need to call bdi_destroy() if you have done the
> init.

Right, bdi_destroy() is already there for long time.
I'm confused.

> I committed this one this morning:
> 
> http://git.kernel.dk/?p=linux-2.6-block.git;a=commit;h=570a2fe1df85741988ad0ca22aa406744436e281

Hmm, it is the same as my patch, but you do
+       err = bdi_register(&c->bdi);
while I do
+	err = bdi_register(&c->bdi, NULL, "ubifs");

> But feel free to commit/submit to the ubifs tree directly, then it'll
> disappear from my tree once it is merged.

Yeah, I think it can go via my tree. I'd merge it at
2.6.31 window. This change does not depend on your
work anyway.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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