Re: [PATCH pyblock] Don't create mappings for extended partitions (#583484)

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On 04/20/2010 10:43 AM, Hans de Goede wrote:
Various tools create different mappings for extended partitions:
dmraid: Does not create a mapping for extended parts
kpartx: Creates a mapping with a size of 2 sectors (*)
parted: Creates a mapping with the actual extended partition size

We won't recognize kpartx' 2 sector mapping as a pre-existing
mapping, try to create one and fail with EBUSY. This happens ie
with a livecd install. Note the kernel does the same for extended
partitions on regular disk, so this is not a kpartx bug.

To avoid this problem, simply don't create a mapping for the
extended partition at all, as there is no use for one anyways.
---

Ack.

Ales

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