From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 1/5] repair: handle repair of image files on large sector size filesystems
Date: Mon, 10 Oct 2011 10:06:35 -0400 [thread overview]
Message-ID: <20111010140634.GA31429@infradead.org> (raw)
In-Reply-To: <1318208915-14975-2-git-send-email-david@fromorbit.com>
On Mon, Oct 10, 2011 at 12:08:31PM +1100, Dave Chinner wrote:
> From: Dave Chinner <dchinner@redhat.com>
>
> Because repair uses direct IO, it cannot do IO smaller than a sector
> on the underlying device. When repairing a filesystem image, the
> filesystem hosting the image may have a sector size larger than the
> sector size of the image, and so single image sector reads and
> writes will fail.
>
> To avoid this, when checking a file and there is a sector size
> mismatch like this, turn off direct IO. While there, fix a compile
> bug in the IO_DEBUG option for libxfs which was found during triage.
Looks fine,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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next prev parent reply other threads:[~2011-10-10 14:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2011-10-13 9:57 ` Alex Elder
2011-10-10 1:08 ` [PATCH 2/5] repair: fix a valgrind reported error on i686 Dave Chinner
2011-10-10 14:07 ` Christoph Hellwig
2011-10-13 9:57 ` Alex Elder
2011-10-10 1:08 ` [PATCH 3/5] repair: handle memory allocation failure from blkmap_grow Dave Chinner
2011-10-10 14:14 ` Christoph Hellwig
2011-10-13 9:57 ` Alex Elder
2011-10-10 1:08 ` [PATCH 4/5] repair: don't cache large blkmap allocations Dave Chinner
2011-10-10 14:15 ` Christoph Hellwig
2011-10-13 9:57 ` Alex Elder
2011-10-10 1:08 ` [PATCH 5/5] repair: prevent blkmap extent count overflows Dave Chinner
2011-10-10 14:17 ` Christoph Hellwig
2011-10-13 9:58 ` Alex Elder
2011-10-10 14:18 ` [PATCH 0/5, v3] repair: sector size and blkmap fixes Christoph Hellwig
2011-10-10 23:12 ` Dave Chinner
-- strict thread matches above, loose matches on Subject: below --
2011-10-09 23:11 [PATCH 0/5, v2] " 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
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