From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: [PATCH 1/5] repair: handle repair of image files on large sector size filesystems
Date: Sun, 9 Oct 2011 20:19:09 -0400 [thread overview]
Message-ID: <20111010001909.GA4886@infradead.org> (raw)
In-Reply-To: <20111010001708.GP3159@dastard>
On Mon, Oct 10, 2011 at 11:17:08AM +1100, Dave Chinner wrote:
> > Does it? Given that the loop driver uses buffered I/O that would be
> > unexpected behaviour. I'll try to reproduce it as soon as my 4k
> > disk is available again.
>
> My 3TB, RAID6 based image storage filesystem has a 4k sector size,
> and I can't run xfs_repair on an image file that has smaller sector
> sizes than 4k without this mod. In that case, xfs_repair is doing
> direct IO on a file, not a device, and the file is on the 4k sector
> sized filesytem. I've been carrying this patch for a while.
Got it - you repair the image on directly on the device, without the
loop driver.
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next prev parent reply other threads:[~2011-10-10 0:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-09 23:11 [PATCH 0/5, v2] repair: sector size and blkmap fixes Dave Chinner
2011-10-09 23:11 ` [PATCH 1/5] repair: handle repair of image files on large sector size filesystems Dave Chinner
2011-10-09 23:52 ` Christoph Hellwig
2011-10-10 0:17 ` Dave Chinner
2011-10-10 0:19 ` Christoph Hellwig [this message]
2011-10-09 23:11 ` [PATCH 2/5] repair: fix some valgrind reported errors on i686 Dave Chinner
2011-10-09 23:45 ` Christoph Hellwig
2011-10-10 0:20 ` Dave Chinner
2011-10-10 13:14 ` Christoph Hellwig
2011-10-09 23:11 ` [PATCH 3/5] repair: handle memory allocation failure from blkmap_grow Dave Chinner
2011-10-09 23:51 ` Christoph Hellwig
2011-10-10 0:10 ` Dave Chinner
2011-10-09 23:11 ` [PATCH 4/5] repair: don't cache large blkmap allocations Dave Chinner
2011-10-09 23:48 ` Christoph Hellwig
2011-10-10 0:14 ` Dave Chinner
2011-10-10 13:22 ` Christoph Hellwig
2011-10-09 23:11 ` [PATCH 5/5] repair: prevent blkmap extent count overflows Dave Chinner
-- strict thread matches above, loose matches on Subject: below --
2011-10-10 1:08 [PATCH 0/5, v3] repair: sector size and blkmap fixes Dave Chinner
2011-10-10 1:08 ` [PATCH 1/5] repair: handle repair of image files on large sector size filesystems Dave Chinner
2011-10-10 14:06 ` Christoph Hellwig
2011-10-13 9:57 ` Alex Elder
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