[PATCH] 9p: Enable multipage folios

[David Howells]

Enable support for multipage folios on the 9P filesystem.  This is all
handled through netfslib and is already enabled on AFS and CIFS also.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Eric Van Hensbergen <ericvh@xxxxxxxxxx>
cc: Latchesar Ionkov <lucho@xxxxxxxxxx>
cc: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
cc: Christian Schoenebeck <linux_oss@xxxxxxxxxxxxx>
cc: Jeff Layton <jlayton@xxxxxxxxxx>
cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
cc: v9fs@xxxxxxxxxxxxxxx
cc: netfs@xxxxxxxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
cc: linux-mm@xxxxxxxxx
---
 fs/9p/vfs_inode.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 7a3308d77606..8c9a896d691e 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -295,6 +295,7 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses,
 			inode->i_op = &v9fs_file_inode_operations;
 			inode->i_fop = &v9fs_file_operations;
 		}
+		mapping_set_large_folios(inode->i_mapping);
 
 		break;
 	case S_IFLNK: