linux-apfs

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Dan Williams 2ba05622b8 dmaengine: provide a common 'issue_pending_all' implementation

async_tx and net_dma each have open-coded versions of issue_pending_all,
so provide a common routine in dmaengine.

The implementation needs to walk the global device list, so implement
rcu to allow dma_issue_pending_all to run lockless.  Clients protect
themselves from channel removal events by holding a dmaengine reference.

Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

2009-01-06 11:38:14 -07:00

dmaengine.c

dmaengine: provide a common 'issue_pending_all' implementation

2009-01-06 11:38:14 -07:00

dmatest.c

dmaengine: up-level reference counting to the module level

2009-01-06 11:38:14 -07:00

dw_dmac_regs.h

dmaengine: Driver for the Synopsys DesignWare DMA controller

2008-07-08 11:59:42 -07:00

dw_dmac.c

dmaengine: up-level reference counting to the module level