linux-ext4 - Re: [PATCH] ext3: wait on all pending commits in ext3_sync

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Message-ID: <20081103211929.GA18117@mit.edu>
Date:	Mon, 3 Nov 2008 16:19:29 -0500
From:	Theodore Tso <tytso@....edu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Arthur Jones <ajones@...erbed.com>, sandeen@...hat.com,
	linux-ext4@...r.kernel.org, sct@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ext3: wait on all pending commits in ext3_sync_fs

On Mon, Nov 03, 2008 at 01:13:13PM -0800, Andrew Morton wrote:
> On Mon, 3 Nov 2008 12:58:54 -0800
> Arthur Jones <ajones@...erbed.com> wrote:
> 
> > Hi Andrew, ...
> > 
> > On Mon, Nov 03, 2008 at 12:37:50PM -0800, Andrew Morton wrote:
> > > [...]
> > > OK.  But still, questions remain.
> > > 
> > > - should we clear s_dirt if log_wait_commit() didn't work?
> > > 
> > > - ext3_force_commit() clears s_dirt also
> > > 
> > > - should ext3_sync_fs() be dropping the ext3_force_commit() return
> > >   value on the floor?

Should all the callers of ->sync_fs also be dropping the error returns
on the floor?

> > 
> > - does ext4 have a similar issue (ext4_sync_fs looks the same)?
> > 
> 
> I'm sure it does.  Someone(tm) should prepare the ext4 patch once we've
> settled on the ext3 patch.

I'll take care of it.  And I would reflect the error returns up to
ext3_sync_fs's callers, although at the moment it's not clear it would
make much of a difference.  :-(

						- Ted
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