FUSE_NOWRITE     1408 fs/fuse/dir.c  	fi->writectr += FUSE_NOWRITE;
FUSE_NOWRITE     1410 fs/fuse/dir.c  	wait_event(fi->page_waitq, fi->writectr == FUSE_NOWRITE);
FUSE_NOWRITE     1423 fs/fuse/dir.c  	BUG_ON(fi->writectr != FUSE_NOWRITE);