Messages in this thread | | | Date | Thu, 19 May 2011 20:12:44 +0200 | Subject | Re: [57/71] block: rescan partitions on invalidated devices on -ENOMEDIA too | From | Tejun Heo <> |
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Hello, Greg.
On Thu, May 19, 2011 at 8:05 PM, Greg KH <gregkh@suse.de> wrote: > > 2.6.38-stable review patch. If anyone has any objections, please let us know. > > ------------------ > > From: Tejun Heo <tj@kernel.org> > > commit 02e352287a40bd456eb78df705bf888bc3161d3f upstream. > > __blkdev_get() doesn't rescan partitions if disk->fops->open() fails, > which leads to ghost partition devices lingering after medimum removal > is known to both the kernel and userland. The behavior also creates a > subtle inconsistency where O_NONBLOCK open, which doesn't fail even if > there's no medium, clears the ghots partitions, which is exploited to > work around the problem from userland. > > Fix it by updating __blkdev_get() to issue partition rescan after > -ENOMEDIA too. > > This was reported in the following bz. > > https://bugzilla.kernel.org/show_bug.cgi?id=13029 > > Stable: 2.6.38 >
Can you please hold this for a while? It causes an extra warning message to be printed during device detection. It isn't harmful but still. I'll soon send a patch to resolve the issue and it would be better for them to go together.
Thank you.
-- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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