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dm: fix bio_set allocation

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The use of bioset_init_from_src mean that the pre-allocated pools weren't
used for anything except parameter passing, and the integrity pool
creation got completely lost for the actual live mapped_device.  Fix that
by assigning the actual preallocated dm_md_mempools to the mapped_device
and using that for I/O instead of creating new mempools.

Fixes: 2a2a4c510b ("dm: use bioset_init_from_src() to copy bio_set")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Christoph Hellwig 2022-06-08 08:34:06 +02:00 • committed by Mike Snitzer
commit 29dec90a0f
5 changed files with 35 additions and 75 deletions
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