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From: Christoph Hellwig <hch@infradead.org>
To: Pingfan Liu <kernelfans@gmail.com>
Cc: linux-xfs@vger.kernel.org, Eric Sandeen <esandeen@redhat.com>,
	"Darrick J. Wong" <darrick.wong@oracle.com>,
	Christoph Hellwig <hch@infradead.org>,
	Dave Chinner <dchinner@redhat.com>,
	linuxppc-dev@lists.ozlabs.org,
	Hari Bathini <hbathini@linux.ibm.com>
Subject: Re: [PATCH] xfs: introduce "metasync" api to sync metadata to fsblock
Date: Tue, 15 Oct 2019 01:01:34 -0700	[thread overview]
Message-ID: <20191015080134.GC3055@infradead.org> (raw)
In-Reply-To: <20191015015620.GA14327@mypc>

On Tue, Oct 15, 2019 at 09:56:20AM +0800, Pingfan Liu wrote:
> Agree. For the consistency of the whole fs, we need grub to be aware of
> log. While this patch just assumes that files accessed by grub are
> known, and the consistency is forced only on these files.
> > get by freezing and unfreezing the file system using the FIFREEZE and
> > FITHAW ioctls.  And if my memory is serving me correctly Dave has been
> freeze will block any further modification to the fs. That is different
> from my patch, which does not have such limitation.

So you freeze and immediately unfreeze.

      reply	other threads:[~2019-10-15  8:06 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-13 14:37 [PATCH] xfs: introduce "metasync" api to sync metadata to fsblock Pingfan Liu
2019-10-13 16:34 ` Darrick J. Wong
2019-10-14  8:33   ` Pingfan Liu
2019-10-14  9:43     ` Jan Kara
2019-10-14 13:23       ` Eric Sandeen
2019-10-14 20:03         ` Jan Kara
2019-10-14 20:09           ` Eric Sandeen
2019-10-15  8:01             ` Christoph Hellwig
2019-10-15 13:10               ` Theodore Y. Ts'o
2019-10-15 16:18                 ` Darrick J. Wong
2019-10-15  2:20           ` Pingfan Liu
2019-10-15  2:12         ` Pingfan Liu
2019-10-14  8:40 ` Christoph Hellwig
2019-10-15  1:56   ` Pingfan Liu
2019-10-15  8:01     ` Christoph Hellwig [this message]

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