Messages in this thread | | | Date | Wed, 8 Nov 2006 18:09:22 +0000 | From | Pavel Machek <> | Subject | Re: [PATCH 2.6.19 5/5] fs: freeze_bdev with semaphore not mutex |
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Hi!
> > swsusp-freeze-filesystems-during-suspend-rev-2.patch > > > > I think you need to give more thought to device-mapper > > interactions here. If an underlying device is suspended > > by device-mapper without freezing the filesystem (the > > normal state) and you issue a freeze_bdev on a device > > above it, the freeze_bdev may never return if it attempts > > any synchronous I/O (as it should). > > Well, it looks like the interactions with dm add quite a bit of > complexity here.
What about just fixing xfs (thou shall not write to disk when kernel threads are frozen), and getting rid of blockdev freezing?
Pavel -- Thanks for all the (sleeping) penguins. - 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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