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Diffstat (limited to 'include/linux/device-mapper.h')
-rw-r--r--include/linux/device-mapper.h6
1 files changed, 1 insertions, 5 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 2646aed1d3fe..51cc1deb7af3 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -375,6 +375,7 @@ int dm_create(int minor, struct mapped_device **md);
*/
struct mapped_device *dm_get_md(dev_t dev);
void dm_get(struct mapped_device *md);
+int dm_hold(struct mapped_device *md);
void dm_put(struct mapped_device *md);
/*
@@ -604,9 +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 */