nbd: nbd_bg_flags_show: add NBD_FLAG_ROTATIONAL

Also handle NBD_FLAG_ROTATIONAL in our debug helper function

Signed-off-by: Wouter Verhelst <[email protected]>
Cc: Eric Blake <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>

Author: yoe

drivers/block/nbd.c

@@ -1725,6 +1725,8 @@ static int nbd_dbg_flags_show(struct seq_file *s, void *unused)
 		seq_puts(s, "NBD_FLAG_SEND_TRIM\n");
 	if (flags & NBD_FLAG_SEND_WRITE_ZEROES)
 		seq_puts(s, "NBD_FLAG_SEND_WRITE_ZEROES\n");
+	if (flags & NBD_FLAG_ROTATIONAL)
+		seq_puts(s, "NBD_FLAG_ROTATIONAL\n");
 
 	return 0;
 }