diff options
Diffstat (limited to 'sys/coda/coda_psdev.c')
| -rw-r--r-- | sys/coda/coda_psdev.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/sys/coda/coda_psdev.c b/sys/coda/coda_psdev.c index 07df46d..6a505ec 100644 --- a/sys/coda/coda_psdev.c +++ b/sys/coda/coda_psdev.c @@ -27,7 +27,7 @@ * Mellon the rights to redistribute these changes without encumbrance. * * @(#) src/sys/coda/coda_psdev.c,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $ - * $Id: coda_psdev.c,v 1.7 1998/09/29 20:19:45 rvb Exp $ + * $Id: coda_psdev.c,v 1.8 1998/10/28 20:31:13 rvb Exp $ * */ @@ -53,6 +53,13 @@ /* * HISTORY * $Log: coda_psdev.c,v $ + * Revision 1.8 1998/10/28 20:31:13 rvb + * Change the way unmounting happens to guarantee that the + * client programs are allowed to finish up (coda_call is + * forced to complete) and release their locks. Thus there + * is a reasonable chance that the vflush implicit in the + * unmount will not get hung on held locks. + * * Revision 1.7 1998/09/29 20:19:45 rvb * Fixes for lkm: * 1. use VFS_LKM vs ACTUALLY_LKM_NOT_KERNEL @@ -274,7 +281,7 @@ vc_nb_close (dev, flag, mode, p) struct proc *p; { register struct vcomm *vcp; - register struct vmsg *vmp; + register struct vmsg *vmp, *nvmp = NULL; struct coda_mntinfo *mi; int err; @@ -309,8 +316,9 @@ vc_nb_close (dev, flag, mode, p) /* Wakeup clients so they can return. */ for (vmp = (struct vmsg *)GETNEXT(vcp->vc_requests); !EOQ(vmp, vcp->vc_requests); - vmp = (struct vmsg *)GETNEXT(vmp->vm_chain)) - { + vmp = nvmp) + { + nvmp = (struct vmsg *)GETNEXT(vmp->vm_chain); /* Free signal request messages and don't wakeup cause no one is waiting. */ if (vmp->vm_opcode == CODA_SIGNAL) { @@ -535,6 +543,22 @@ vc_nb_ioctl(dev, cmd, addr, flag, p) return(ENODEV); } break; + case CIOC_KERNEL_VERSION: + switch (*(u_int *)addr) { + case 0: + *(u_int *)addr = coda_kernel_version; + return 0; + break; + case 1: + case 2: + if (coda_kernel_version != *(u_int *)addr) + return ENOENT; + else + return 0; + default: + return ENOENT; + } + break; default : return(EINVAL); break; |
