BOP_MOVE and userspace move EXDEV helper

[openafs.git] / src / afs / afs_call.c

diff --git a/src/afs/afs_call.c b/src/afs/afs_call.c
index 8ed5f48..c01c4e3 100644 (file)
--- a/src/afs/afs_call.c
+++ b/src/afs/afs_call.c
@@ -161,16 +161,7 @@ afsd_thread(int *rock)
        thread_terminate(current_thread());
        break;
     case AFSOP_START_BKG:
-       AFS_GLOCK();
-       wakeup(arg);
-       while (afs_initState < AFSOP_START_BKG)
-           afs_osi_Sleep(&afs_initState);
-       if (afs_initState < AFSOP_GO) {
-           afs_initState = AFSOP_GO;
-           afs_osi_Wakeup(&afs_initState);
-       }
-       afs_BackgroundDaemon();
-       AFS_GUNLOCK();
+       printf("Install matching afsd! Old background daemons not supported.\n");
        thread_terminate(current_thread());
        break;
     case AFSOP_START_TRUNCDAEMON:
@@ -533,6 +524,48 @@ afs_syscall_call(long parm, long parm2, long parm3,
     put_vfs_context();
 #endif
 #if ((defined(AFS_LINUX24_ENV) && defined(COMPLETION_H_EXISTS)) || defined(AFS_DARWIN80_ENV)) && !defined(UKERNEL)
+#if defined(AFS_DARWIN80_ENV)
+    if (parm == AFSOP_BKG_HANDLER) {
+       /* if afs_uspc_param grows this should be checked */
+       struct afs_uspc_param *mvParam = osi_AllocSmallSpace(AFS_SMALLOCSIZ);
+       void *param2;
+       void *param1;
+       int namebufsz;
+
+       AFS_COPYIN(AFSKPTR(parm2), (caddr_t)mvParam,
+                  sizeof(struct afs_uspc_param), code);
+       namebufsz = mvParam->bufSz;
+       param1 = afs_osi_Alloc(namebufsz);
+       param2 = afs_osi_Alloc(namebufsz);
+
+       while (afs_initState < AFSOP_START_BKG)
+           afs_osi_Sleep(&afs_initState);
+       if (afs_initState < AFSOP_GO) {
+           afs_initState = AFSOP_GO;
+           afs_osi_Wakeup(&afs_initState);
+       }
+
+       code = afs_BackgroundDaemon(mvParam, param1, param2);
+
+       if (!code) {
+           mvParam->retval = 0;
+           /* for reqs where pointers are strings: */
+           if (mvParam->reqtype == AFS_USPC_UMV) {
+               /* don't copy out random kernel memory */
+               AFS_COPYOUT(param2, AFSKPTR(parm4),
+                           MIN(namebufsz, strlen((char *)param2)+1), code);
+               AFS_COPYOUT(param1, AFSKPTR(parm3),
+                           MIN(namebufsz, strlen((char *)param1)+1), code);
+           }
+           AFS_COPYOUT((caddr_t)mvParam, AFSKPTR(parm2),
+                      sizeof(struct afs_uspc_param), code);
+       }
+
+       afs_osi_Free(param1, namebufsz);
+       afs_osi_Free(param2, namebufsz);
+       osi_FreeSmallSpace(mvParam);
+    } else
+#endif /* DARWIN80 */
     if (parm < AFSOP_ADDCELL || parm == AFSOP_RXEVENT_DAEMON
        || parm == AFSOP_RXLISTENER_DAEMON) {
        afs_DaemonOp(parm, parm2, parm3, parm4, parm5, parm6);
@@ -618,6 +651,7 @@ afs_syscall_call(long parm, long parm2, long parm3,
        AFS_GUNLOCK();
        exit(CLD_EXITED, 0);
 #endif /* AFS_SGI_ENV */
+#ifndef AFS_DARWIN80_ENV
     } else if (parm == AFSOP_START_BKG) {
        while (afs_initState < AFSOP_START_BKG)
            afs_osi_Sleep(&afs_initState);
@@ -627,17 +661,18 @@ afs_syscall_call(long parm, long parm2, long parm3,
        }
        /* start the bkg daemon */
        afs_osi_Invisible();
-#ifdef AFS_AIX32_ENV
+# ifdef AFS_AIX32_ENV
        if (parm2)
            afs_BioDaemon(parm2);
        else
-#endif /* AFS_AIX32_ENV */
+# endif /* AFS_AIX32_ENV */
            afs_BackgroundDaemon();
        afs_osi_Visible();
-#ifdef AFS_SGI_ENV
+# ifdef AFS_SGI_ENV
        AFS_GUNLOCK();
        exit(CLD_EXITED, 0);
-#endif /* AFS_SGI_ENV */
+# endif /* AFS_SGI_ENV */
+#endif /* ! AFS_DARWIN80_ENV */
     } else if (parm == AFSOP_START_TRUNCDAEMON) {
        while (afs_initState < AFSOP_GO)
            afs_osi_Sleep(&afs_initState);