[dm-devel] [PATCH 1/4] dm: remove unnecessary wrapper around blk_lld_busy
Mike Snitzer
snitzer at redhat.com
Tue Feb 24 16:44:07 UTC 2015
There is no need for DM to export a wrapper around the already exported
blk_lld_busy().
Signed-off-by: Mike Snitzer <snitzer at redhat.com>
---
drivers/md/dm-mpath.c | 2 +-
drivers/md/dm.c | 6 ------
include/linux/device-mapper.h | 5 -----
3 files changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index d376dc8..add6391 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -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);
}
/*
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 73f2880..1766ba0 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2003,12 +2003,6 @@ out:
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;
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 2646aed..3e4db11 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -604,9 +604,4 @@ 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 */
--
1.9.3 (Apple Git-50)
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