btrfs: decrement number of open devices after closing the device not before
In btrfs_close_one_device we're decrementing the number of open devices before we're calling btrfs_close_bdev(). As there is no intermediate exit between these points in this function it is technically OK to do so, but it makes the code a bit harder to understand. Move both operations closer together and move the decrement step after btrfs_close_bdev(). Reviewed-by: NQu Wenruo <wqu@suse.com> Signed-off-by: NJohannes Thumshirn <jthumshirn@suse.de> Reviewed-by: NDavid Sterba <dsterba@suse.com> Signed-off-by: NDavid Sterba <dsterba@suse.com>
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