Add wrapper to clear mapping's large folio flag. This is handy for
disabling large folios on already existing inodes (e.g. future XFS
integration of fs-verity).
Signed-off-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
---
include/linux/pagemap.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index bbccb40442224..63ca600bdf8f7 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -306,6 +306,11 @@ static inline void mapping_set_large_folios(struct address_space *mapping)
__set_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
}
+static inline void mapping_clear_large_folios(struct address_space *mapping)
+{
+ __clear_bit(AS_LARGE_FOLIO_SUPPORT, &mapping->flags);
+}
+
/*
* Large folio support currently depends on THP. These dependencies are
* being worked on but are not yet fixed.
--
2.31.1
