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| author | Dan Williams <dan.j.williams@intel.com> | 2008-03-18 21:23:59 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2008-03-18 17:01:00 -0700 |
| commit | 8d8002f642886ae256a3c5d70fe8aff4faf3631a (patch) | |
| tree | 81a3df533e7a0ad2d268b28fba1507e770df0f55 /drivers/md/dm-mpath-hp-sw.c | |
| parent | f79abb627f033c85a6088231f20c85bc4a9bd757 (diff) | |
| download | linux-8d8002f642886ae256a3c5d70fe8aff4faf3631a.tar.gz linux-8d8002f642886ae256a3c5d70fe8aff4faf3631a.tar.bz2 linux-8d8002f642886ae256a3c5d70fe8aff4faf3631a.zip | |
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>
Diffstat (limited to 'drivers/md/dm-mpath-hp-sw.c')
0 files changed, 0 insertions, 0 deletions