diff options
| author | dillon <dillon@FreeBSD.org> | 1999-01-24 00:51:11 +0000 |
|---|---|---|
| committer | dillon <dillon@FreeBSD.org> | 1999-01-24 00:51:11 +0000 |
| commit | 6db82357cae21f402469dd9f1c1f698833aa8e17 (patch) | |
| tree | 3d779213d37755ca99a0a7a67b1e0d9b8114e805 /sys/kern/vfs_bio.c | |
| parent | d0d15b4eb802a43147eac8488418ce054cc534f7 (diff) | |
| download | FreeBSD-src-6db82357cae21f402469dd9f1c1f698833aa8e17.zip FreeBSD-src-6db82357cae21f402469dd9f1c1f698833aa8e17.tar.gz | |
Don't try to calculate B_CACHE for an NFS related bp that has a
> 0 b_validend. This will screw up small-writes, causing lots of
little writes out the network.
We will assume that NFS handles B_CACHE properly.
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index b09a6f2..5d3b1ff 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -11,7 +11,7 @@ * 2. Absolutely no warranty of function or purpose is made by the author * John S. Dyson. * - * $Id: vfs_bio.c,v 1.196 1999/01/22 08:59:05 dg Exp $ + * $Id: vfs_bio.c,v 1.197 1999/01/23 06:36:15 dillon Exp $ */ /* @@ -1482,7 +1482,10 @@ loop: * check the cases and then turn the clearing part of this * code into a panic. */ - if ((bp->b_flags & (B_VMIO|B_CACHE)) == (B_VMIO|B_CACHE)) { + if ( + (bp->b_flags & (B_VMIO|B_CACHE)) == (B_VMIO|B_CACHE) && + (bp->b_vp->v_tag != VT_NFS || bp->b_validend <= 0) + ) { int checksize = bp->b_bufsize; int poffset = bp->b_offset & PAGE_MASK; int resid; |
