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From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH] xfs: truncate_setsize should be outside transactions
Date: Thu, 1 May 2014 21:54:43 -0700	[thread overview]
Message-ID: <20140502045443.GA8867@infradead.org> (raw)
In-Reply-To: <1398983979-23696-1-git-send-email-david@fromorbit.com>

On Fri, May 02, 2014 at 08:39:39AM +1000, Dave Chinner wrote:
> This issue with xfs_setattr_size() was introduced back in 2010 by
> commit fa9b227 ("xfs: new truncate sequence") which moved the page
> cache truncate from outside the transaction context (what was
> xfs_itruncate_data()) to inside the transaction context as a call to
> truncate_setsize().

And it was moved because we should only call truncate_setsize once
the truncate can't fail any more.  So to move it out of transaction
context it needs to move after the commit of the transaction(s).

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  reply	other threads:[~2014-05-02  4:54 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-01 22:39 [PATCH] xfs: truncate_setsize should be outside transactions Dave Chinner
2014-05-02  4:54 ` Christoph Hellwig [this message]
2014-05-02  5:00   ` Christoph Hellwig
2014-05-02  6:47     ` Dave Chinner
2014-05-02  7:00       ` [PATCH V2] " Dave Chinner
2014-05-02 10:08         ` Christoph Hellwig
2014-05-02 23:23           ` Dave Chinner
2014-05-03 15:16             ` Christoph Hellwig
2014-05-04  0:06               ` Dave Chinner
2014-05-05  5:19                 ` [PATCH V3] " Dave Chinner
2014-05-06  7:52                   ` Christoph Hellwig
2014-05-02 12:50         ` [PATCH V2] " Brian Foster

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