diff options
| author | mckusick <mckusick@FreeBSD.org> | 1998-09-29 23:28:32 +0000 |
|---|---|---|
| committer | mckusick <mckusick@FreeBSD.org> | 1998-09-29 23:28:32 +0000 |
| commit | 17402e8897afa757a79c2fae7f24e638041df4f4 (patch) | |
| tree | e41aa26e233e6659c58f5c43c46cec08abb79641 /sys/nfs | |
| parent | 8fcb760f37a9f0881158fd93359e4f1e6a9743d0 (diff) | |
| download | FreeBSD-src-17402e8897afa757a79c2fae7f24e638041df4f4.zip FreeBSD-src-17402e8897afa757a79c2fae7f24e638041df4f4.tar.gz | |
During truncation, have to notify the VM about the new size
of the NFS file *before* doing the nfs_vinvalbuf operation.
Otherwise some invalid data may show up in an mmap.
Diffstat (limited to 'sys/nfs')
| -rw-r--r-- | sys/nfs/nfs_vnops.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/nfs/nfs_vnops.c b/sys/nfs/nfs_vnops.c index 385f6f6..ea0f110 100644 --- a/sys/nfs/nfs_vnops.c +++ b/sys/nfs/nfs_vnops.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * @(#)nfs_vnops.c 8.16 (Berkeley) 5/27/95 - * $Id: nfs_vnops.c,v 1.105 1998/07/04 20:45:37 julian Exp $ + * $Id: nfs_vnops.c,v 1.106 1998/08/13 08:09:08 dfr Exp $ */ @@ -622,6 +622,7 @@ nfs_setattr(ap) */ if (vp->v_mount->mnt_flag & MNT_RDONLY) return (EROFS); + vnode_pager_setsize(vp, (u_long)vap->va_size); if (np->n_flag & NMODIFIED) { if (vap->va_size == 0) error = nfs_vinvalbuf(vp, 0, @@ -629,12 +630,13 @@ nfs_setattr(ap) else error = nfs_vinvalbuf(vp, V_SAVE, ap->a_cred, ap->a_p, 1); - if (error) + if (error) { + vnode_pager_setsize(vp, (u_long)np->n_size); return (error); + } } tsize = np->n_size; np->n_size = np->n_vattr.va_size = vap->va_size; - vnode_pager_setsize(vp, (u_long)np->n_size); }; } else if ((vap->va_mtime.tv_sec != VNOVAL || vap->va_atime.tv_sec != VNOVAL) && (np->n_flag & NMODIFIED) && |
