Re: [stable] [patch 086/104] ext4: fix initialization of UNINITbitmap blocks

From: Greg KH
Date: Fri Dec 05 2008 - 13:38:56 EST

On Wed, Dec 03, 2008 at 11:10:16PM -0500, Theodore Tso wrote:
> On Wed, Dec 03, 2008 at 11:56:18AM -0800, Greg KH wrote:
> > 2.6.27-stable review patch. If anyone has any objections, please let us know.
> Turns out this patch introduces a worse regression than it fixes. The
> bug that the patches fixes is that on-line resizes of filesystems with
> a 1k blocksize will usually fail. The regression is that when a
> filesystem with 1k blocksize is stressed, the filesystem can get
> corrupted. On balance, on-line resizing failing is less of a disaster
> than corrupting the filesystem when its stressed. Fortunately, it's
> only an issue when the filesystem blocksize is less than the page
> size, which isn't the common case at least for the x86.
> There are patches queued up to address this, but they haven't hit
> mainline yet. Probably best to pull this from the stable tree for
> now.

Thanks for letting me know, I've now dropped it from this release.

greg k-h
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