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authorJens Axboe <jaxboe@fusionio.com>2011-04-18 09:54:05 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-04-18 09:54:05 +0200
commitb4cb290e0a7d19235bd075c2ad4d60dbab0bac15 (patch)
tree2674fc5e3d0ee76e8b8205ab771fe7bbed173a88 /block/blk-settings.c
parent048c9374a749a27f16493cea033fa4a8ff492356 (diff)
downloadlinux-linaro-stable-b4cb290e0a7d19235bd075c2ad4d60dbab0bac15.tar.gz
Revert "block: add callback function for unplug notification"
MD can't use this since it really requires us to be able to keep more than a single piece of state for the unplug. Commit 048c9374 added the required support for MD, so get rid of this now unused code. This reverts commit f75664570d8b75469cc468f23c2b27220984983b. Conflicts: block/blk-core.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-settings.c')
-rw-r--r--block/blk-settings.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c
index eb949045bb12..1fa769293597 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -790,22 +790,6 @@ void blk_queue_flush(struct request_queue *q, unsigned int flush)
}
EXPORT_SYMBOL_GPL(blk_queue_flush);
-/**
- * blk_queue_unplugged - register a callback for an unplug event
- * @q: the request queue for the device
- * @fn: the function to call
- *
- * Some stacked drivers may need to know when IO is dispatched on an
- * unplug event. By registrering a callback here, they will be notified
- * when someone flushes their on-stack queue plug. The function will be
- * called with the queue lock held.
- */
-void blk_queue_unplugged(struct request_queue *q, unplugged_fn *fn)
-{
- q->unplugged_fn = fn;
-}
-EXPORT_SYMBOL(blk_queue_unplugged);
-
static int __init blk_settings_init(void)
{
blk_max_low_pfn = max_low_pfn - 1;