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bdi: move bdi_dev_name out of line

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bdi_dev_name is not a fast path function, move it out of line.  This
prepares for using it from modular callers without having to export
an implementation detail like bdi_unknown_name.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-05-04 14:47:54 +02:00
committed by Jens Axboe
parent 156c757372
commit eb7ae5e06b
2 changed files with 10 additions and 9 deletions
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9
include/linux/backing-dev.h
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@@ -505,13 +505,6 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi)
(1 << WB_async_congested));
}
extern const char *bdi_unknown_name;
static inline const char *bdi_dev_name(struct backing_dev_info *bdi)
{
if (!bdi || !bdi->dev)
return bdi_unknown_name;
return dev_name(bdi->dev);
}
const char *bdi_dev_name(struct backing_dev_info *bdi);
#endif /* _LINUX_BACKING_DEV_H */