9p: Use alternative invalidation to using launder_folio

Use writepages-based flushing invalidation instead of
invalidate_inode_pages2() and ->launder_folio().  This will allow
->launder_folio() to be removed eventually.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Eric Van Hensbergen <ericvh@kernel.org>
cc: Latchesar Ionkov <lucho@ionkov.net>
cc: Dominique Martinet <asmadeus@codewreck.org>
cc: Christian Schoenebeck <linux_oss@crudebyte.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: v9fs@lists.linux.dev
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org

diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index 047855033d32f73f054a074452622499d5cf983c..5a943c122d831785864caf4817177f8fbe368cf5 100644 (file)
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -89,7 +89,6 @@ static int v9fs_init_request(struct netfs_io_request *rreq, struct file *file)
        bool writing = (rreq->origin == NETFS_READ_FOR_WRITE ||
                        rreq->origin == NETFS_WRITEBACK ||
                        rreq->origin == NETFS_WRITETHROUGH ||
-                       rreq->origin == NETFS_LAUNDER_WRITE ||
                        rreq->origin == NETFS_UNBUFFERED_WRITE ||
                        rreq->origin == NETFS_DIO_WRITE);
 
@@ -141,7 +140,6 @@ const struct address_space_operations v9fs_addr_operations = {
        .dirty_folio            = netfs_dirty_folio,
        .release_folio          = netfs_release_folio,
        .invalidate_folio       = netfs_invalidate_folio,
-       .launder_folio          = netfs_launder_folio,
        .direct_IO              = noop_direct_IO,
        .writepages             = netfs_writepages,
 };