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由 Mike Snitzer 提交于
Copy the table's queue_limits to the DM device's request_queue. This properly initializes the queue's topology limits and also avoids having to track the evolution of 'struct queue_limits' in dm_table_set_restrictions() Also fixes a bug that was introduced in dm_table_set_restrictions() via commit ae03bf63. In addition to establishing 'bounce_pfn' in the queue's limits blk_queue_bounce_limit() also performs an allocation to setup the ISA DMA pool. This allocation resulted in "sleeping function called from invalid context" when called from dm_table_set_restrictions(). Signed-off-by: NMike Snitzer <snitzer@redhat.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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