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| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:05:02 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 11:05:02 +0200 |
| commit | fd5d806266935179deda1502101624832eacd01f (patch) | |
| tree | b0d01c2ed7d754f2a6daef6c77d108a81d8a470e /drivers/md/dm.c | |
| parent | block: Initial support for data-less (or empty) barrier support (diff) | |
| download | linux-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/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 167765c47747..d837d37f6209 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -840,21 +840,6 @@ static int dm_request(struct request_queue *q, struct bio *bio) return 0; } -static int dm_flush_all(struct request_queue *q, struct gendisk *disk, - sector_t *error_sector) -{ - struct mapped_device *md = q->queuedata; - struct dm_table *map = dm_get_table(md); - int ret = -ENXIO; - - if (map) { - ret = dm_table_flush_all(map); - dm_table_put(map); - } - - return ret; -} - static void dm_unplug_all(struct request_queue *q) { struct mapped_device *md = q->queuedata; @@ -1003,7 +988,6 @@ static struct mapped_device *alloc_dev(int minor) blk_queue_make_request(md->queue, dm_request); blk_queue_bounce_limit(md->queue, BLK_BOUNCE_ANY); md->queue->unplug_fn = dm_unplug_all; - md->queue->issue_flush_fn = dm_flush_all; md->io_pool = mempool_create_slab_pool(MIN_IOS, _io_cache); if (!md->io_pool) |