linux-ext4 - Re: [PATCH 2/2] ext2: add wait flag support to sync

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Message-ID: <20091120103622.GA29143@infradead.org>
Date:	Fri, 20 Nov 2009 05:36:22 -0500
From:	Christoph Hellwig <hch@...radead.org>
To:	Jan Kara <jack@...e.cz>
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	linux-ext4@...r.kernel.org, hch@...radead.org
Subject: Re: [PATCH 2/2] ext2: add wait flag support to sync_fs

On Thu, Nov 19, 2009 at 04:34:19PM +0100, Jan Kara wrote:
>   BTW: Christoph, why did you choose to call ext2_sync_fs with wait == 1
> from ext2_write_super()? I'd think (and looking into callsites seem to
> confirm that) that ->write_super() was meant to be asynchronous...

No particular reason - the argument wasn't and still isn't used in ext2.
And yes, now that ->sync_fs is mandatory ->write_super should be
asynchronous.

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