From: "haiqing.shq" <leviathan0992@xxxxxxxxx>
Use the variable write_len instead of ov_iter_count(from).
Signed-off-by: haiqing.shq <leviathan0992@xxxxxxxxx>
---
mm/filemap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 52517f2..4a699ef 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3012,7 +3012,7 @@ int pagecache_write_end(struct file *file, struct address_space *mapping,
if (iocb->ki_flags & IOCB_NOWAIT) {
/* If there are pages to writeback, return */
if (filemap_range_has_page(inode->i_mapping, pos,
- pos + iov_iter_count(from)))
+ pos + write_len))
return -EAGAIN;
} else {
written = filemap_write_and_wait_range(mapping, pos,
--
1.8.3.1
