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

Daniel Gomez
2024-02-09T14:29:37Z

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

Signed-off-by: Daniel Gomez <da.gomez@samsung.com>
---
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