#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/completion.h>
+#include <linux/sched.h>
#include "internal.h"
MODULE_DESCRIPTION("AFS Client File System");
unsigned afs_debug;
module_param_named(debug, afs_debug, uint, S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(afs_debug, "AFS debugging mask");
+MODULE_PARM_DESC(debug, "AFS debugging mask");
static char *rootcell;
};
#endif
+struct afs_uuid afs_uuid;
+
+/*
+ * get a client UUID
+ */
+static int __init afs_get_client_UUID(void)
+{
+ struct timespec ts;
+ u64 uuidtime;
+ u16 clockseq;
+ int ret;
+
+ /* read the MAC address of one of the external interfaces and construct
+ * a UUID from it */
+ ret = afs_get_MAC_address(afs_uuid.node, sizeof(afs_uuid.node));
+ if (ret < 0)
+ return ret;
+
+ getnstimeofday(&ts);
+ uuidtime = (u64) ts.tv_sec * 1000 * 1000 * 10;
+ uuidtime += ts.tv_nsec / 100;
+ uuidtime += AFS_UUID_TO_UNIX_TIME;
+ afs_uuid.time_low = uuidtime;
+ afs_uuid.time_mid = uuidtime >> 32;
+ afs_uuid.time_hi_and_version = (uuidtime >> 48) & AFS_UUID_TIMEHI_MASK;
+ afs_uuid.time_hi_and_version = AFS_UUID_VERSION_TIME;
+
+ get_random_bytes(&clockseq, 2);
+ afs_uuid.clock_seq_low = clockseq;
+ afs_uuid.clock_seq_hi_and_reserved =
+ (clockseq >> 8) & AFS_UUID_CLOCKHI_MASK;
+ afs_uuid.clock_seq_hi_and_reserved = AFS_UUID_VARIANT_STD;
+
+ _debug("AFS UUID: %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ afs_uuid.time_low,
+ afs_uuid.time_mid,
+ afs_uuid.time_hi_and_version,
+ afs_uuid.clock_seq_hi_and_reserved,
+ afs_uuid.clock_seq_low,
+ afs_uuid.node[0], afs_uuid.node[1], afs_uuid.node[2],
+ afs_uuid.node[3], afs_uuid.node[4], afs_uuid.node[5]);
+
+ return 0;
+}
+
/*
* initialise the AFS client FS module
*/
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
+ ret = afs_get_client_UUID();
+ if (ret < 0)
+ return ret;
+
/* register the /proc stuff */
ret = afs_proc_init();
if (ret < 0)
afs_vlocation_purge();
afs_cell_purge();
afs_proc_cleanup();
+ rcu_barrier();
printk(KERN_ERR "kAFS: failed to register: %d\n", ret);
return ret;
}
printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 unregistering.\n");
afs_fs_exit();
+ afs_kill_lock_manager();
afs_close_socket();
afs_purge_servers();
afs_callback_update_kill();
cachefs_unregister_netfs(&afs_cache_netfs);
#endif
afs_proc_cleanup();
+ rcu_barrier();
}
module_exit(afs_exit);