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| author | Tejun Heo <htejun@gmail.com> | 2008-02-19 11:36:53 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-02-19 11:36:53 +0100 |
| commit | 2fb98e8414c42cb14698833aac640b143b9ade4f (patch) | |
| tree | ab241305b5ce3ea5ef3e76df7abe04b831cd9e34 /drivers/gpio/pcf857x.c | |
| parent | block: add request->raw_data_len (diff) | |
| download | linux-2fb98e8414c42cb14698833aac640b143b9ade4f.tar.xz linux-2fb98e8414c42cb14698833aac640b143b9ade4f.zip | |
block: implement request_queue->dma_drain_needed
Draining shouldn't be done for commands where overflow may indicate
data integrity issues. Add dma_drain_needed callback to
request_queue. Drain buffer is appened iff this function returns
non-zero.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/gpio/pcf857x.c')
0 files changed, 0 insertions, 0 deletions