fuse: notify: don't move pages

fuse_try_move_page() is not prepared for replacing pages that have already been read. Reported-by: Al Viro <[email protected]> Signed-off-by: Miklos Szeredi <[email protected]> Cc: [email protected]
josf · Feb 26, 2015 · 0d27836 · 0d27836
1 parent c517d83
commit 0d27836
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
@@ -1797,6 +1797,9 @@ static int fuse_notify_retrieve(struct fuse_conn *fc, unsigned int size,
 static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
 		       unsigned int size, struct fuse_copy_state *cs)
 {
+	/* Don't try to move pages (yet) */
+	cs->move_pages = 0;
+
 	switch (code) {
 	case FUSE_NOTIFY_POLL:
 		return fuse_notify_poll(fc, size, cs);