Messages in this thread |  | | | Date | Thu, 13 Jan 2011 14:26:37 +0100 | | From | Karel Zak <> | | Subject | Re: [dm-devel] linux-next - WARNING: at fs/block_dev.c:824 bd_link_disk_holder+0x92/0x1ac() |
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On Thu, Jan 13, 2011 at 02:12:16PM +0100, Tejun Heo wrote: > Hello, > > On Thu, Jan 13, 2011 at 01:27:01PM +0100, Karel Zak wrote: > > We also use holders/slaves links in libblkid to evaluate dependencies > > between devices (since 2008). > > > > > Whatever changes are needed, please keep this functionality, it > > > can be useful. > > > > Definitely. > > Yeah, sure, it's not like I can afford to avoid fixing it at this > point anyway, but I still want to point out it's at the wrong layer > and shouldn't have been added like this, really. If you want blkid to > identify it, the proper thing to do would be querying blk device for > the claimer and then use claimer-specific method to query them. It's
It seems that dependencies (holders/slaves) between devices is pretty generic thing. Why do you think that we need claimer-specific method? The /sys filesystem is better that ictls in many ways.
> not like the current method would make sense for btrfs or whatnot.
Could you be more verbose, please?
Karel
-- Karel Zak <kzak@redhat.com> http://karelzak.blogspot.com
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