[PATCH 08/23] dax: Use xas_erase() in __dax_invalidate_entry()

From: Jan Kara
Date: Wed Apr 22 2020 - 11:06:04 EST


When truncating DAX entry, we need to clear all the outstanding marks
for the entry. Use dax_erase() instead of dax_store().

Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/dax.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/dax.c b/fs/dax.c
index 11b16729b86f..f8358928549c 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -643,7 +643,7 @@ static int __dax_invalidate_entry(struct address_space *mapping,
xas_get_mark(&xas, PAGECACHE_TAG_TOWRITE)))
goto out;
dax_disassociate_entry(entry, mapping, trunc);
- xas_store(&xas, NULL);
+ xas_erase(&xas);
mapping->nrexceptional--;
ret = 1;
out:
--
2.16.4