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Add the option NFS_BOOT_RWSIZE to allow diskless boot configuration 

to start with a reduced NFS read and write size (need for wd8003).
This commit is contained in:
gwr 1994-08-14 03:35:27 +00:00
parent 9561cfe8fe
commit f23d6f0929
1 changed files with 13 additions and 2 deletions
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15
sys/nfs/nfs_vfsops.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_vfsops.c,v 1.29 1994/08/12 03:49:24 cgd Exp $ */
/* $NetBSD: nfs_vfsops.c,v 1.30 1994/08/14 03:35:27 gwr Exp $ */
/*
* Copyright (c) 1989, 1993
@ -305,8 +305,19 @@ nfs_mount_diskless(ndmntp, mntname, mntflag, vpp)
args.hostname = ndmntp->ndm_host;
args.flags = NFSMNT_RESVPORT;
#ifdef NFS_BOOT_RWSIZE
/*
* Reduce rsize,wsize for interfaces that consistently
* drop fragments of long UDP messages. (i.e. wd8003).
* You can always change these later via remount.
*/
args.flags |= NFSMNT_WSIZE | NFSMNT_RSIZE;
args.wsize = NFS_BOOT_RWSIZE;
args.rsize = NFS_BOOT_RWSIZE;
#endif
/* Get mbuf for server sockaddr. */
MGET(m, MT_SONAME, M_DONTWAIT);
m = m_get(M_WAIT, MT_SONAME);
if (m == NULL)
panic("nfs_mountroot: mget soname for %s", mntname);
bcopy((caddr_t)args.addr, mtod(m, caddr_t),