Date: Tue, 19 Jan 1999 13:43:40 +0100 From: "D. Rock" <rock@cs.uni-sb.de> To: Luoqi Chen <luoqi@watermarkgroup.com> Cc: dillon@apollo.backplane.com, skynyrd@opus.cts.cwu.edu, freebsd-current@FreeBSD.ORG, jdp@polstra.com Subject: Re: NFS problem found - pleaes try this patch. Message-ID: <36A47DFC.88EC82D0@cs.uni-sb.de> References: <199901181505.KAA15315@lor.watermarkgroup.com>
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This patch seems to fix my NFS problems. I started a make release yesterday and it is still running (It's a slow machine). No problems so far. The chroot dir is NFSv2/UDP mounted. Thanks, Daniel Luoqi Chen schrieb: > > The check is correct and should be there, the B_CACHE bit was cleared because > I made a mistake when setting the valid bit in the vm page. > > Index: vfs_bio.c > =================================================================== > RCS file: /home/ncvs/src/sys/kern/vfs_bio.c,v > retrieving revision 1.192 > diff -u -r1.192 vfs_bio.c > --- vfs_bio.c 1999/01/12 11:59:34 1.192 > +++ vfs_bio.c 1999/01/18 14:45:33 > @@ -2171,7 +2171,7 @@ > (vm_offset_t) (soff & PAGE_MASK), > (vm_offset_t) (eoff - soff)); > sv = (bp->b_offset + bp->b_validoff + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1); > - ev = (bp->b_offset + bp->b_validend) & ~(DEV_BSIZE - 1); > + ev = (bp->b_offset + bp->b_validend + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1); > soff = qmax(sv, soff); > eoff = qmin(ev, eoff); > } > > Note the calculation of ev, the original code was a round-up and I changed it > to round-down in my -r1.188 commit (I thought it was a bug in the original > code, but it was actually me who didn't understand the nfs code well enough). > > -lq > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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