fs/dlm/user.c

33 static int dlm_monitor_unused = 1;
88 static void compat_input(struct dlm_write_request *kb,
92 	kb->version[0] = kb32->version[0];
93 	kb->version[1] = kb32->version[1];
94 	kb->version[2] = kb32->version[2];
96 	kb->cmd = kb32->cmd;
97 	kb->is64bit = kb32->is64bit;
98 	if (kb->cmd == DLM_USER_CREATE_LOCKSPACE ||
99 	    kb->cmd == DLM_USER_REMOVE_LOCKSPACE) {
100 		kb->i.lspace.flags = kb32->i.lspace.flags;
101 		kb->i.lspace.minor = kb32->i.lspace.minor;
102 		memcpy(kb->i.lspace.name, kb32->i.lspace.name, namelen);
103 	} else if (kb->cmd == DLM_USER_PURGE) {
104 		kb->i.purge.nodeid = kb32->i.purge.nodeid;
105 		kb->i.purge.pid = kb32->i.purge.pid;
107 		kb->i.lock.mode = kb32->i.lock.mode;
108 		kb->i.lock.namelen = kb32->i.lock.namelen;
109 		kb->i.lock.flags = kb32->i.lock.flags;
110 		kb->i.lock.lkid = kb32->i.lock.lkid;
111 		kb->i.lock.parent = kb32->i.lock.parent;
112 		kb->i.lock.xid = kb32->i.lock.xid;
113 		kb->i.lock.timeout = kb32->i.lock.timeout;
114 		kb->i.lock.castparam = (__user void *)(long)kb32->i.lock.castparam;
115 		kb->i.lock.castaddr = (__user void *)(long)kb32->i.lock.castaddr;
116 		kb->i.lock.bastparam = (__user void *)(long)kb32->i.lock.bastparam;
117 		kb->i.lock.bastaddr = (__user void *)(long)kb32->i.lock.bastaddr;
118 		kb->i.lock.lksb = (__user void *)(long)kb32->i.lock.lksb;
119 		memcpy(kb->i.lock.lvb, kb32->i.lock.lvb, DLM_USER_LVB_LEN);
120 		memcpy(kb->i.lock.name, kb32->i.lock.name, namelen);
130 	res32->version[1] = res->version[1];
151      1. a noqueue request fails with EAGAIN
163 		return 1;
169 			return 1;
472 	     req->version[1] > DLM_DEVICE_VERSION_MINOR)) {
479 		       req->version[1],
550 		/* add 1 after namelen so that the name string is terminated */
551 		kbuf = kzalloc(sizeof(struct dlm_write_request) + namelen + 1,
710 	result.version[1] = DLM_DEVICE_VERSION_MINOR;
775 	ver.version[1] = DLM_DEVICE_VERSION_MINOR;
895 		return 1;
897 	return atomic_read(&dlm_monitor_opened) ? 1 : 0;