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