direct-io: eliminate the offset argument to ->direct_IO
Including blkdev_direct_IO and dax_do_io. It has to be ki_pos to actually
work, so eliminate the superflous argument.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/mm/filemap.c b/mm/filemap.c
index e7108c3..cb36db9 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1853,8 +1853,7 @@
iocb->ki_pos + count - 1);
if (!retval) {
struct iov_iter data = *iter;
- retval = mapping->a_ops->direct_IO(iocb, &data,
- iocb->ki_pos);
+ retval = mapping->a_ops->direct_IO(iocb, &data);
}
if (retval > 0) {
@@ -2538,7 +2537,7 @@
}
data = *from;
- written = mapping->a_ops->direct_IO(iocb, &data, pos);
+ written = mapping->a_ops->direct_IO(iocb, &data);
/*
* Finally, try again to invalidate clean pages which might have been
diff --git a/mm/page_io.c b/mm/page_io.c
index cd92e3d..8927560 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -279,7 +279,7 @@
set_page_writeback(page);
unlock_page(page);
- ret = mapping->a_ops->direct_IO(&kiocb, &from, kiocb.ki_pos);
+ ret = mapping->a_ops->direct_IO(&kiocb, &from);
if (ret == PAGE_SIZE) {
count_vm_event(PSWPOUT);
ret = 0;