On Thu, Oct 29 2009, Alexander Beregalov wrote:
> Hi
>
> fs/aio.c:1575: error: implicit declaration of function 'blk_run_address_space'
>
> CONFIG_BLOCK is not set.
Not the first time this has happened, I think we should just pull the
bdi/mapping unplug functions out of CONFIG_BLOCK protection. They work
on the backing_dev, so they aren't inherently tied to just block IO.
This should fix it, I'll test and commit.
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index b449e73..fcbc26a 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -331,4 +331,17 @@ static inline int bdi_sched_wait(void *word)
return 0;
}
+static inline void blk_run_backing_dev(struct backing_dev_info *bdi,
+ struct page *page)
+{
+ if (bdi && bdi->unplug_io_fn)
+ bdi->unplug_io_fn(bdi, page);
+}
+
+static inline void blk_run_address_space(struct address_space *mapping)
+{
+ if (mapping)
+ blk_run_backing_dev(mapping->backing_dev_info, NULL);
+}
+
#endif /* _LINUX_BACKING_DEV_H */
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 221cecd..39c601f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -823,19 +823,6 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
return bdev->bd_disk->queue;
}
-static inline void blk_run_backing_dev(struct backing_dev_info *bdi,
- struct page *page)
-{
- if (bdi && bdi->unplug_io_fn)
- bdi->unplug_io_fn(bdi, page);
-}
-
-static inline void blk_run_address_space(struct address_space *mapping)
-{
- if (mapping)
- blk_run_backing_dev(mapping->backing_dev_info, NULL);
-}
-
/*
* blk_rq_pos() : the current sector
* blk_rq_bytes() : bytes left in the entire request
--
Jens Axboe
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