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authorJens Axboe <jens.axboe@oracle.com>2007-10-16 11:05:02 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-16 11:05:02 +0200
commitfd5d806266935179deda1502101624832eacd01f (patch)
treeb0d01c2ed7d754f2a6daef6c77d108a81d8a470e /drivers/message
parentblock: Initial support for data-less (or empty) barrier support (diff)
downloadlinux-fd5d806266935179deda1502101624832eacd01f.tar.xz
linux-fd5d806266935179deda1502101624832eacd01f.zip
block: convert blkdev_issue_flush() to use empty barriers
Then we can get rid of ->issue_flush_fn() and all the driver private implementations of that. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/message')
-rw-r--r--drivers/message/i2o/i2o_block.c24
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index 50b2c7334410..d602ba6d5417 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -149,29 +149,6 @@ static int i2o_block_device_flush(struct i2o_device *dev)
};
/**
- * i2o_block_issue_flush - device-flush interface for block-layer
- * @queue: the request queue of the device which should be flushed
- * @disk: gendisk
- * @error_sector: error offset
- *
- * Helper function to provide flush functionality to block-layer.
- *
- * Returns 0 on success or negative error code on failure.
- */
-
-static int i2o_block_issue_flush(struct request_queue * queue, struct gendisk *disk,
- sector_t * error_sector)
-{
- struct i2o_block_device *i2o_blk_dev = queue->queuedata;
- int rc = -ENODEV;
-
- if (likely(i2o_blk_dev))
- rc = i2o_block_device_flush(i2o_blk_dev->i2o_dev);
-
- return rc;
-}
-
-/**
* i2o_block_device_mount - Mount (load) the media of device dev
* @dev: I2O device which should receive the mount request
* @media_id: Media Identifier
@@ -1009,7 +986,6 @@ static struct i2o_block_device *i2o_block_device_alloc(void)
}
blk_queue_prep_rq(queue, i2o_block_prep_req_fn);
- blk_queue_issue_flush_fn(queue, i2o_block_issue_flush);
gd->major = I2O_MAJOR;
gd->queue = queue;