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uvm_swap_init(): Call VOP_OPEN() on swapdev_vp to make I/O through the

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swap device work with specnodes.

Ok: Andrew Doran <ad@netbsd.org>
This commit is contained in:
hannken 2008-01-27 17:18:09 +00:00
parent 84400d5df4
commit ce34b417f9
1 changed files with 5 additions and 3 deletions
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8
sys/uvm/uvm_swap.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_swap.c,v 1.134 2008/01/02 11:49:21 ad Exp $ */
/* $NetBSD: uvm_swap.c,v 1.135 2008/01/27 17:18:09 hannken Exp $ */
/*
* Copyright (c) 1995, 1996, 1997 Matthew R. Green
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.134 2008/01/02 11:49:21 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.135 2008/01/27 17:18:09 hannken Exp $");
#include "fs_nfs.h"
#include "opt_uvmhist.h"
@ -256,6 +256,8 @@ uvm_swap_init(void)
if (bdevvp(swapdev, &swapdev_vp))
panic("uvm_swap_init: can't get vnode for swap device");
if (VOP_OPEN(swapdev_vp, FREAD | FWRITE, NOCRED))
panic("uvm_swap_init: can't open swap device");
/*
* create swap block resource map to map /dev/drum. the range
@ -1190,7 +1192,7 @@ swwrite(dev_t dev, struct uio *uio, int ioflag)
}
const struct bdevsw swap_bdevsw = {
noopen, noclose, swstrategy, noioctl, nodump, nosize, D_OTHER,
nullopen, nullclose, swstrategy, noioctl, nodump, nosize, D_OTHER,
};
const struct cdevsw swap_cdevsw = {