AcoSail/kernel_optimize_test
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Kill REQ_TYPE_FLUSH

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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@intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
David Woodhouse 2008-08-13 12:35:09 +01:00 committed by Jens Axboe
parent e17fc0a1cc
commit 1a8e2bddd5
2 changed files with 7 additions and 8 deletions
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9
drivers/block/ps3disk.c
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@ -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;

6
include/linux/blkdev.h
View File

@ -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 */
/*
@ -76,11 +75,8 @@ enum rq_cmd_type_bits {
*
*/
enum {
/*
* just examples for now
*/
REQ_LB_OP_EJECT = 0x40, /* eject request */
REQ_LB_OP_FLUSH = 0x41, /* flush device */
REQ_LB_OP_FLUSH = 0x41, /* flush request */
REQ_LB_OP_DISCARD = 0x42, /* discard sectors */
};