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handle SWAP_DUMPDEV

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This commit is contained in:
mrg 1999-02-23 15:58:28 +00:00
parent 6ef324e7de
commit 3743c9e91d
1 changed files with 11 additions and 2 deletions
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13
sys/uvm/uvm_swap.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_swap.c,v 1.23 1998/12/26 06:25:59 marc Exp $ */
/* $NetBSD: uvm_swap.c,v 1.24 1999/02/23 15:58:28 mrg Exp $ */
/*
* Copyright (c) 1995, 1996, 1997 Matthew R. Green
@ -533,7 +533,7 @@ sys_swapctl(p, v, retval)
* ensure serialized syscall access by grabbing the swap_syscall_lock
*/
lockmgr(&swap_syscall_lock, LK_EXCLUSIVE, (void *)0);
/*
* we handle the non-priv NSWAP and STATS request first.
*
@ -657,6 +657,15 @@ sys_swapctl(p, v, retval)
error = 0; /* assume no error */
switch(SCARG(uap, cmd)) {
case SWAP_DUMPDEV:
if (vp->v_type != VBLK) {
error = ENOTBLK;
goto out;
}
dumpdev = vp->v_rdev;
break;
case SWAP_CTL:
/*
* get new priority, remove old entry (if any) and then