On Wed, Aug 13 2008, David Woodhouse wrote:
> It was only used by ps3disk, and it should probably have been
> REQ_TYPE_LINUX_BLOCK + REQ_LB_OP_FLUSH.
>
> Signed-off-by: David Woodhouse <David.Woodhouse@xxxxxxxxx>
> ---
> drivers/block/ps3disk.c | 9 ++++++---
> include/linux/blkdev.h | 1 -
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
> index d797e20..4b0d6c7 100644
> --- a/drivers/block/ps3disk.c
> +++ b/drivers/block/ps3disk.c
> @@ -199,7 +199,8 @@ static void ps3disk_do_request(struct ps3_storage_device *dev,
> if (blk_fs_request(req)) {
> if (ps3disk_submit_request_sg(dev, req))
> break;
> - } else if (req->cmd_type == REQ_TYPE_FLUSH) {
> + } else if (req->cmd_type == REQ_TYPE_LINUX_BLOCK &&
> + req->cmd[0] == REQ_LB_OP_FLUSH) {
> if (ps3disk_submit_flush_request(dev, req))
> break;
> } else {
> @@ -257,7 +258,8 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
> return IRQ_HANDLED;
> }
>
> - if (req->cmd_type == REQ_TYPE_FLUSH) {
> + if (req->cmd_type == REQ_TYPE_LINUX_BLOCK &&
> + req->cmd[0] == REQ_LB_OP_FLUSH) {
> read = 0;
> num_sectors = req->hard_cur_sectors;
> op = "flush";
> @@ -405,7 +407,8 @@ static void ps3disk_prepare_flush(struct request_queue *q, struct request *req)
>
> dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__);
>
> - req->cmd_type = REQ_TYPE_FLUSH;
> + req->cmd_type = REQ_TYPE_LINUX_BLOCK;
> + req->cmd[0] = REQ_LB_OP_FLUSH;
> }
>
> static unsigned long ps3disk_mask;
> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index 293a71a..a0fa413 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -54,7 +54,6 @@ enum rq_cmd_type_bits {
> REQ_TYPE_PM_SUSPEND, /* suspend request */
> REQ_TYPE_PM_RESUME, /* resume request */
> REQ_TYPE_PM_SHUTDOWN, /* shutdown request */
> - REQ_TYPE_FLUSH, /* flush request */
> REQ_TYPE_SPECIAL, /* driver defined type */
> REQ_TYPE_LINUX_BLOCK, /* generic block layer message */
> /*
> --
> 1.5.5.1
That looks good, thanks David!
--
Jens Axboe
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