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dm: remove unnecessary wrapper around blk_lld_busy 

There is no need for DM to export a wrapper around the already exported
blk_lld_busy().

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2015-02-23 16:36:41 -05:00
parent 09c2d53101
commit 52b09914af
3 changed files with 1 additions and 12 deletions
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2
drivers/md/dm-mpath.c
View File

@ -1627,7 +1627,7 @@ static int __pgpath_busy(struct pgpath *pgpath)
{
struct request_queue *q = bdev_get_queue(pgpath->path.dev->bdev);
return dm_underlying_device_busy(q);
return blk_lld_busy(q);
}
/*

6
drivers/md/dm.c
View File

@ -2006,12 +2006,6 @@ static void dm_request_fn(struct request_queue *q)
dm_put_live_table(md, srcu_idx);
}
int dm_underlying_device_busy(struct request_queue *q)
{
return blk_lld_busy(q);
}
EXPORT_SYMBOL_GPL(dm_underlying_device_busy);
static int dm_lld_busy(struct request_queue *q)
{
int r;

5
include/linux/device-mapper.h
View File

@ -605,9 +605,4 @@ static inline unsigned long to_bytes(sector_t n)
return (n << SECTOR_SHIFT);
}
/*-----------------------------------------------------------------
* Helper for block layer and dm core operations
*---------------------------------------------------------------*/
int dm_underlying_device_busy(struct request_queue *q);
#endif /* _LINUX_DEVICE_MAPPER_H */