| commit | 8d8002f642886ae256a3c5d70fe8aff4faf3631a | [log] [tgz] |
|---|---|---|
| author | Dan Williams <dan.j.williams@intel.com> | Tue Mar 18 21:23:59 2008 -0700 |
| committer | Dan Williams <dan.j.williams@intel.com> | Tue Mar 18 17:01:00 2008 -0700 |
| tree | 81a3df533e7a0ad2d268b28fba1507e770df0f55 | |
| parent | f79abb627f033c85a6088231f20c85bc4a9bd757 [diff] |
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>