summaryrefslogtreecommitdiffstats
path: root/sys/nfsclient/nfs_vfsops.c
diff options
context:
space:
mode:
authorphk <phk@FreeBSD.org>1994-10-22 17:52:59 +0000
committerphk <phk@FreeBSD.org>1994-10-22 17:52:59 +0000
commit2577d91fc0717cba7cf029622a5c41a022b80643 (patch)
tree253b4f6751736a8892c420ac2803c1efa0a3677b /sys/nfsclient/nfs_vfsops.c
parent3c27cf8b22affe05291f178da954051b0f4d6827 (diff)
downloadFreeBSD-src-2577d91fc0717cba7cf029622a5c41a022b80643.zip
FreeBSD-src-2577d91fc0717cba7cf029622a5c41a022b80643.tar.gz
This is where the action is. I'm still not sure that swap is 100% OK, but
it seems to work.
Diffstat (limited to 'sys/nfsclient/nfs_vfsops.c')
-rw-r--r--sys/nfsclient/nfs_vfsops.c94
1 files changed, 56 insertions, 38 deletions
diff --git a/sys/nfsclient/nfs_vfsops.c b/sys/nfsclient/nfs_vfsops.c
index 9507793..5e7bd7d 100644
--- a/sys/nfsclient/nfs_vfsops.c
+++ b/sys/nfsclient/nfs_vfsops.c
@@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vfsops.c 8.3 (Berkeley) 1/4/94
- * $Id: nfs_vfsops.c,v 1.5 1994/10/02 17:27:03 phk Exp $
+ * $Id: nfs_vfsops.c,v 1.6 1994/10/17 17:47:39 phk Exp $
*/
#include <sys/param.h>
@@ -90,6 +90,7 @@ VFS_SET(nfs_vfsops, nfs, MOUNT_NFS, 0);
* to ensure that it is allocated to initialized data (.data not .bss).
*/
struct nfs_diskless nfs_diskless = { 0 };
+int nfs_diskless_valid = 0;
extern u_long nfs_procids[NFS_NPROCS];
extern u_long nfs_prog, nfs_vers;
@@ -180,6 +181,8 @@ nfs_mountroot()
struct vnode *vp;
struct proc *p = curproc; /* XXX */
int error, i;
+ u_long l;
+ char buf[128];
/*
* XXX time must be non-zero when we init the interface or else
@@ -188,6 +191,11 @@ nfs_mountroot()
if (time.tv_sec == 0)
time.tv_sec = 1;
+ /*
+ * XXX splnet, so networks will receive...
+ */
+ splnet();
+
#ifdef notyet
/* Set up swap credentials. */
proc0.p_ucred->cr_uid = ntohl(nd->swap_ucred.cr_uid);
@@ -205,8 +213,23 @@ nfs_mountroot()
*/
error = socreate(nd->myif.ifra_addr.sa_family, &so, SOCK_DGRAM, 0);
if (error)
- panic("nfs_mountroot: socreate: %d", error);
- error = ifioctl(so, SIOCAIFADDR, (caddr_t)&nd->myif, p);
+ panic("nfs_mountroot: socreate(%04x): %d",
+ nd->myif.ifra_addr.sa_family, error);
+
+ /*
+ * We might not have been told the right interface, so we pass
+ * over the first ten interfaces of the same kind, until we get
+ * one of them configured.
+ */
+
+ for (i = strlen(nd->myif.ifra_name) - 1;
+ nd->myif.ifra_name[i] >= '0' &&
+ nd->myif.ifra_name[i] <= '9';
+ nd->myif.ifra_name[i] ++) {
+ error = ifioctl(so, SIOCAIFADDR, (caddr_t)&nd->myif, p);
+ if(!error)
+ break;
+ }
if (error)
panic("nfs_mountroot: SIOCAIFADDR: %d", error);
soclose(so);
@@ -229,16 +252,22 @@ nfs_mountroot()
panic("nfs_mountroot: RTM_ADD: %d", error);
}
- /*
- * If swapping to an nfs node (indicated by swdevt[0].sw_dev == NODEV):
- * Create a fake mount point just for the swap vnode so that the
- * swap file can be on a different server from the rootfs.
- */
- if (swdevt[0].sw_dev == NODEV) {
+ if (nd->swap_nblks) {
+ /*
+ * Create a fake mount point just for the swap vnode so that the
+ * swap file can be on a different server from the rootfs.
+ */
nd->swap_args.fh = (nfsv2fh_t *)nd->swap_fh;
- (void) nfs_mountdiskless(nd->swap_hostnam, "/swap", 0,
+ l = ntohl(nd->swap_saddr.sin_addr.s_addr);
+ sprintf(buf,"%ld.%ld.%ld.%ld:%s",
+ (l >> 24) & 0xff, (l >> 16) & 0xff,
+ (l >> 8) & 0xff, (l >> 0) & 0xff,nd->swap_hostnam);
+ printf("NFS SWAP: %s\n",buf);
+ (void) nfs_mountdiskless(buf, "/swap", 0,
&nd->swap_saddr, &nd->swap_args, &vp);
-
+
+ for (i=0;swdevt[i].sw_dev != NODEV;i++) ;
+
/*
* Since the swap file is not the root dir of a file system,
* hack it to a regular file.
@@ -247,16 +276,27 @@ nfs_mountroot()
vp->v_flag = 0;
swapdev_vp = vp;
VREF(vp);
- swdevt[0].sw_vp = vp;
- swdevt[0].sw_nblks = ntohl(nd->swap_nblks);
- } else if (bdevvp(swapdev, &swapdev_vp))
- panic("nfs_mountroot: can't setup swapdev_vp");
+ swdevt[i].sw_vp = vp;
+ swdevt[i].sw_nblks = nd->swap_nblks*2;
+
+ if (!swdevt[i].sw_nblks) {
+ swdevt[i].sw_nblks = 2048;
+ printf("defaulting to %d kbyte.\n",
+ swdevt[i].sw_nblks/2);
+ } else
+ printf("using %d kbyte.\n",swdevt[i].sw_nblks/2);
+ }
/*
* Create the rootfs mount point.
*/
nd->root_args.fh = (nfsv2fh_t *)nd->root_fh;
- mp = nfs_mountdiskless(nd->root_hostnam, "/", MNT_RDONLY,
+ l = ntohl(nd->swap_saddr.sin_addr.s_addr);
+ sprintf(buf,"%ld.%ld.%ld.%ld:%s",
+ (l >> 24) & 0xff, (l >> 16) & 0xff,
+ (l >> 8) & 0xff, (l >> 0) & 0xff,nd->root_hostnam);
+ printf("NFS ROOT: %s\n",buf);
+ mp = nfs_mountdiskless(buf, "/", MNT_RDONLY,
&nd->root_saddr, &nd->root_args, &vp);
if (vfs_lock(mp))
@@ -311,7 +351,6 @@ nfs_mountdiskless(path, which, mountflag, sin, args, vpp)
panic("nfs_mountroot: %s mount mbuf", which);
bcopy((caddr_t)sin, mtod(m, caddr_t), sin->sin_len);
m->m_len = sin->sin_len;
- nfsargs_ntoh(args);
error = mountnfs(args, mp, m, which, path, vpp);
if (error)
panic("nfs_mountroot: mount %s on %s: %d", path, which, error);
@@ -319,27 +358,6 @@ nfs_mountdiskless(path, which, mountflag, sin, args, vpp)
return (mp);
}
-/*
- * Convert the integer fields of the nfs_args structure from net byte order
- * to host byte order. Called by nfs_mountroot() above.
- */
-void
-nfsargs_ntoh(nfsp)
- register struct nfs_args *nfsp;
-{
-
- NTOHL(nfsp->sotype);
- NTOHL(nfsp->proto);
- NTOHL(nfsp->flags);
- NTOHL(nfsp->wsize);
- NTOHL(nfsp->rsize);
- NTOHL(nfsp->timeo);
- NTOHL(nfsp->retrans);
- NTOHL(nfsp->maxgrouplist);
- NTOHL(nfsp->readahead);
- NTOHL(nfsp->leaseterm);
- NTOHL(nfsp->deadthresh);
-}
/*
* VFS Operations.
OpenPOWER on IntegriCloud