[RFC PATCH 9/9] shmem: enable per-block uptodate

[Daniel Gomez]

In the write_end() function, mark only the blocks that are being written
as uptodate.

Signed-off-by: Daniel Gomez <da.gomez@xxxxxxxxxxx>
---
 mm/shmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 2157a87b2e4b..8ff2d190a9e4 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2964,7 +2964,7 @@ shmem_write_end(struct file *file, struct address_space *mapping,
 	if (pos + copied > inode->i_size)
 		i_size_write(inode, pos + copied);
 
-	shmem_set_range_uptodate(folio, 0, folio_size(folio));
+	shmem_set_range_uptodate(folio, offset_in_folio(folio, pos), len);
 	folio_mark_dirty(folio);
 	folio_unlock(folio);
 	folio_put(folio);
-- 
2.43.0