AcoSail/kernel_optimize_test
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ps3disk: stop using q->prepare_flush_fn

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REQ_FLUSH flag enables us to kill ps3disk_prepare_flush().

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
FUJITA Tomonori 2010-07-03 17:45:36 +09:00 committed by Jens Axboe
parent 7f9815f09d
commit 98d8c8f40e
1 changed files with 6 additions and 19 deletions
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25
drivers/block/ps3disk.c
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@ -196,13 +196,12 @@ static void ps3disk_do_request(struct ps3_storage_device *dev,
dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__);
while ((req = blk_fetch_request(q))) {
if (req->cmd_type == REQ_TYPE_FS) {
if (ps3disk_submit_request_sg(dev, req))
break;
} else if (req->cmd_type == REQ_TYPE_LINUX_BLOCK &&
req->cmd[0] == REQ_LB_OP_FLUSH) {
if (req->cmd_flags & REQ_FLUSH) {
if (ps3disk_submit_flush_request(dev, req))
break;
} else if (req->cmd_type == REQ_TYPE_FS) {
if (ps3disk_submit_request_sg(dev, req))
break;
} else {
blk_dump_rq_flags(req, DEVICE_NAME " bad request");
__blk_end_request_all(req, -EIO);
@ -257,8 +256,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
if (req->cmd_type == REQ_TYPE_LINUX_BLOCK &&
req->cmd[0] == REQ_LB_OP_FLUSH) {
if (req->cmd_flags & REQ_FLUSH) {
read = 0;
op = "flush";
} else {
@ -398,16 +396,6 @@ static int ps3disk_identify(struct ps3_storage_device *dev)
return 0;
}
static void ps3disk_prepare_flush(struct request_queue *q, struct request *req)
{
struct ps3_storage_device *dev = q->queuedata;
dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__);
req->cmd_type = REQ_TYPE_LINUX_BLOCK;
req->cmd[0] = REQ_LB_OP_FLUSH;
}
static unsigned long ps3disk_mask;
static DEFINE_MUTEX(ps3disk_mask_mutex);
@ -480,8 +468,7 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev)
blk_queue_dma_alignment(queue, dev->blk_size-1);
blk_queue_logical_block_size(queue, dev->blk_size);
blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH,
ps3disk_prepare_flush);
blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH, NULL);
blk_queue_max_segments(queue, -1);
blk_queue_max_segment_size(queue, dev->bounce_size);