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blkio: fix for modular blk-cgroup build

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After merging the block tree, 20100414's linux-next build (x86_64
allmodconfig) failed like this:

ERROR: "get_gendisk" [block/blk-cgroup.ko] undefined!
ERROR: "sched_clock" [block/blk-cgroup.ko] undefined!

This happens because the two symbols aren't exported and hence not available
when blk-cgroup code is built as a module. I've tried to stay consistent with
the use of EXPORT_SYMBOL or EXPORT_SYMBOL_GPL with the other symbols in the
respective files.

Signed-off-by: Divyesh Shah <[email protected]>
Acked-by: Gui Jianfeng <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Divyesh Shah 2010-04-15 08:54:59 +02:00 • committed by Jens Axboe
commit b6ac23af2c
2 changed files with 2 additions and 0 deletions
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block/genhd.c
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@ -596,6 +596,7 @@ struct gendisk *get_gendisk(dev_t devt, int *partno)
return disk;
}
EXPORT_SYMBOL(get_gendisk);
/**
* bdget_disk - do bdget() by gendisk and partition number