Dan Williams
8d8002f642
async_tx: avoid the async xor_zero_sum path when src_cnt > device->max_xor
...
If the channel cannot perform the operation in one call to
->device_prep_dma_zero_sum, then fallback to the xor+page_is_zero path.
This only affects users with arrays larger than 16 devices on iop13xx or
32 devices on iop3xx.
Cc: <stable@kernel.org>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-03-18 17:01:00 -07:00
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