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authorPaolo Bonzini <pbonzini@redhat.com>2012-01-12 16:01:29 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-14 15:07:24 -0800
commitec8013beddd717d1740cfefb1a9b900deef85462 (patch)
tree7aa28de51cb2f375baf6fe943afd85e75ca7bcb9 /arch/sh/boards
parent0bfc96cb77224736dfa35c3c555d37b3646ef35e (diff)
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dm: do not forward ioctls from logical volumes to the underlying device
A logical volume can map to just part of underlying physical volume. In this case, it must be treated like a partition. Based on a patch from Alasdair G Kergon. Cc: Alasdair G Kergon <agk@redhat.com> Cc: dm-devel@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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