1/* 2 * Some flags are not defined in <linux/nbd.h>, but are passed anyway. 3 * These flags are sent from nbd-server to the client, and the client 4 * passes them to the kernel unmodified after parsing. Both the client 5 * and the kernel ignore flags unknown to them. 6 */ 7 8/* The server supports flags */ 9NBD_FLAG_HAS_FLAGS (1 << 0) 10/* The export is read-only */ 11NBD_FLAG_READ_ONLY (1 << 1) 12/* The server supports NBD_CMD_FLUSH */ 13NBD_FLAG_SEND_FLUSH (1 << 2) 14/* The server supports NBD_CMD_FLAG_FUA (Force Unit Access) */ 15NBD_FLAG_SEND_FUA (1 << 3) 16/* The export is a rotational medium */ 17NBD_FLAG_ROTATIONAL (1 << 4) 18/* The server supports NBD_CMD_TRIM */ 19NBD_FLAG_SEND_TRIM (1 << 5) 20/* The server supports NBD_CMD_WRITE_ZEROES and NBD_CMD_FLAG_NO_HOLE */ 21NBD_FLAG_SEND_WRITE_ZEROES (1 << 6) 22/* The server supports NBD_CMD_FLAG_DF (don't fragment replies) */ 23NBD_FLAG_SEND_DF (1 << 7) 24/* The server supports multiple connections */ 25NBD_FLAG_CAN_MULTI_CONN (1 << 8) 26/* The server supports NBD_CMD_RESIZE (resizing the device) */ 27NBD_FLAG_SEND_RESIZE (1 << 9) 28/* The server supports NBD_CMD_CACHE */ 29NBD_FLAG_SEND_CACHE (1 << 10) 30