Create: add error checking for 'write_init_super'.

[thirdparty/mdadm.git] / msg.h

diff --git a/msg.h b/msg.h
index 433239da8cc45ca818c55a2ea33fab0d503ed029..c6d037d99a3a2f37614bde047b193483622c5d5a 100644 (file)
--- a/msg.h
+++ b/msg.h
@@ -19,21 +19,20 @@
 
 
 struct mdinfo;
+struct metadata_update;
 
-struct mdinfo;
-struct md_message {
-       int seq;
-       int num_bytes;
-       void *buf;
-};
-
-extern const int start_magic;
-extern const int end_magic;
-
-extern int receive_message(int fd, struct md_message *msg, int tmo);
-extern int send_message(int fd, struct md_message *msg, int tmo);
-extern int ack(int fd, int seq, int tmo);
-extern int nack(int fd, int err, int tmo);
+extern int receive_message(int fd, struct metadata_update *msg, int tmo);
+extern int send_message(int fd, struct metadata_update *msg, int tmo);
+extern int ack(int fd, int tmo);
+extern int wait_reply(int fd, int tmo);
 extern int connect_monitor(char *devname);
 extern int ping_monitor(char *devname);
+extern int ping_monitor_by_id(int devnum);
+extern int block_subarray(struct mdinfo *sra);
+extern int unblock_subarray(struct mdinfo *sra, const int unfreeze);
+extern int block_monitor(char *container, const int freeze);
+extern void unblock_monitor(char *container, const int unfreeze);
+extern int fping_monitor(int sock);
+extern int ping_manager(char *devname);
 
+#define MSG_MAX_LEN (4*1024*1024)