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-rw-r--r--drivers/md/dm-core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 95c6d86ab5e8..c4ef1fceead6 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -115,6 +115,7 @@ struct mapped_device {
struct srcu_struct io_barrier;
};
+void disable_discard(struct mapped_device *md);
void disable_write_same(struct mapped_device *md);
void disable_write_zeroes(struct mapped_device *md);