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authorJens Axboe <jens.axboe@oracle.com>2006-12-19 08:33:11 +0100
committerJens Axboe <jens.axboe@oracle.com>2006-12-19 08:33:11 +0100
commit1aa4f24fe96938cabe7a1e9da8bc3bfbd1dfe3fa (patch)
tree922149707b2741abc8dca53a3ae56e681ef0fbf6 /include
parent2985259b0e3928d4cd0723ac5aad0d1190ab7717 (diff)
[PATCH] Remove queue merging hooks
We have full flexibility of merging parameters now, so we can remove the hooks that define back/front/request merge strategies. Nobody is using them anymore. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/blkdev.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ea330d7b46c..0fa33017ec0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -331,10 +331,6 @@ struct request_pm_state
#include <linux/elevator.h>
-typedef int (merge_request_fn) (request_queue_t *, struct request *,
- struct bio *);
-typedef int (merge_requests_fn) (request_queue_t *, struct request *,
- struct request *);
typedef void (request_fn_proc) (request_queue_t *q);
typedef int (make_request_fn) (request_queue_t *q, struct bio *bio);
typedef int (prep_rq_fn) (request_queue_t *, struct request *);
@@ -376,9 +372,6 @@ struct request_queue
struct request_list rq;
request_fn_proc *request_fn;
- merge_request_fn *back_merge_fn;
- merge_request_fn *front_merge_fn;
- merge_requests_fn *merge_requests_fn;
make_request_fn *make_request_fn;
prep_rq_fn *prep_rq_fn;
unplug_fn *unplug_fn;
@@ -649,6 +642,11 @@ extern int sg_scsi_ioctl(struct file *, struct request_queue *,
struct gendisk *, struct scsi_ioctl_command __user *);
/*
+ * Temporary export, until SCSI gets fixed up.
+ */
+extern int ll_back_merge_fn(request_queue_t *, struct request *, struct bio *);
+
+/*
* A queue has just exitted congestion. Note this in the global counter of
* congested queues, and wake up anyone who was waiting for requests to be
* put back.