From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs <linux-xfs@vger.kernel.org>
Subject: Re: [PATCH] xfs: reflink should force the log out if mounted with wsync
Date: Thu, 2 Apr 2020 07:53:44 -0700 [thread overview]
Message-ID: <20200402145344.GE80283@magnolia> (raw)
In-Reply-To: <20200402084930.GA26523@infradead.org>
On Thu, Apr 02, 2020 at 01:49:30AM -0700, Christoph Hellwig wrote:
> On Thu, Apr 02, 2020 at 12:51:08AM -0700, Christoph Hellwig wrote:
> > On Wed, Apr 01, 2020 at 09:17:05PM -0700, Darrick J. Wong wrote:
> > > From: Darrick J. Wong <darrick.wong@oracle.com>
> > >
> > > Reflink should force the log out to disk if the filesystem was mounted
> > > with wsync, the same as most other operations in xfs.
> >
> > Looks reasonable. That being said I really hate the way we handle
> > this - I've been wanting to rework the wsync/dirsync code to just mark
> > as transaction as dirsync or wsync and then let xfs_trans_commit handle
> > checking if the file system is mounted with the option to clean this
> > mess up. Let me see if I could resurrect that quickly.
>
> Resurrected and under testing now. While forward porting your patch
> I noticed it could be much simpler even without the refactor by just
> using xfs_trans_set_sync. The downside of that is that the log force
> is under the inode locks, but so are the log forces for all other wysnc
> induced log forces. So I think you should just submit this in the
> simplified version matching the rest of the wsync users as a fix. If
> we want to optimize it later on that should be done as a separate patch
> and for all wsync/dirsync users.
Can you please send in a Reviewed-by so I can get this moving? :)
--D
next prev parent reply other threads:[~2020-04-02 14:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-02 4:17 [PATCH] xfs: reflink should force the log out if mounted with wsync Darrick J. Wong
2020-04-02 7:51 ` Christoph Hellwig
2020-04-02 8:49 ` Christoph Hellwig
2020-04-02 14:53 ` Darrick J. Wong [this message]
2020-04-02 14:56 ` Christoph Hellwig
2020-04-02 15:14 ` Darrick J. Wong
2020-04-02 15:20 ` Christoph Hellwig
2020-04-02 21:55 ` Dave Chinner
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