linux-kernel - Re: [PATCH 3/3][reiser4] dont get radix-tree dirty tagging out of sync

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Date:	Tue, 12 Aug 2008 16:00:40 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	"Ryan Hope" <rmh3093@...il.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Edward Shishkin" <edward.shishkin@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Reiserfs mailing list" <reiserfs-devel@...r.kernel.org>
Subject: Re: [PATCH 3/3][reiser4] dont get radix-tree dirty tagging out of sync

On Tuesday 12 August 2008 14:12, Ryan Hope wrote:
> I tried just using __set_page_dirty_nobuffers but that caused issues
> with ext3/ext4 (i can send a bug trace later if needed).
>
>                                 __inc_bdi_stat(mapping->backing_dev_info,
>                                                 BDI_RECLAIMABLE);
>                                 task_io_account_write(PAGE_CACHE_SIZE);
>
> ^^^ the above code in __set_page_dirty_nobuffers causes an issue with
> do_writepages in ext3/4 when I use something like the code below:
>
> int reiser4_set_page_dirty_internal(struct page *page)
> {
>      return __set_page_dirty_nobuffers(page);
> }

Hmm, it causes issues in ext3/4 even though it doesn't change any
code executed by ext3/4? Yes, if you could send a trace...
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