This function is only used by btrfs code in btrfs_abort_devices()
(seems in a wrong way). However, btrfs_abort_devices() is not used
anywhere. Let's remove the dead code to avoid any confusion.
Cc: Jens Axboe <ax...@kernel.dk>
Cc: linux-ker...@vger.kernel.org
Cc: Chris Mason <chris.ma...@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Signed-off-by: Asias He <as...@redhat.com>
---
block/blk-timeout.c | 41 -----------------------------------------
include/linux/blkdev.h | 1 -
2 files changed, 42 deletions(-)
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 7803548..6e4744c 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -197,44 +197,3 @@ void blk_add_timer(struct request *req)
mod_timer(&q->timeout, expiry);
}
-/**
- * blk_abort_queue -- Abort all request on given queue
- * @queue: pointer to queue
- *
- */
-void blk_abort_queue(struct request_queue *q)
-{
- unsigned long flags;
- struct request *rq, *tmp;
- LIST_HEAD(list);
-
- /*
- * Not a request based block device, nothing to abort
- */
- if (!q->request_fn)
- return;
-
- spin_lock_irqsave(q->queue_lock, flags);
-
- elv_abort_queue(q);
-
- /*
- * Splice entries to local list, to avoid deadlocking if entries
- * get readded to the timeout list by error handling
- */
- list_splice_init(&q->timeout_list, &list);
-
- list_for_each_entry_safe(rq, tmp, &list, timeout_list)
- blk_abort_request(rq);
-
- /*
- * Occasionally, blk_abort_request() will return without
- * deleting the element from the list. Make sure we add those back
- * instead of leaving them on the local stack list.
- */
- list_splice(&list, &q->timeout_list);
-
- spin_unlock_irqrestore(q->queue_lock, flags);
-
-}
-EXPORT_SYMBOL_GPL(blk_abort_queue);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 4d4ac24..dcd9738 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -809,7 +809,6 @@ extern bool __blk_end_request_err(struct request *rq, int
error);
extern void blk_complete_request(struct request *);
extern void __blk_complete_request(struct request *);
extern void blk_abort_request(struct request *);
-extern void blk_abort_queue(struct request_queue *);
extern void blk_unprep_request(struct request *);
/*
--
1.7.10.2
--
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