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Frank sez: 'It fixes a problem with servers that return 0 values

Browse Source 
for some of the fsinfo RPC fields. It is strictly speaking not
wrong to do this, as the spec says that "it is expected that a
server will make a best effort at supporting all the attributes",
but pretty unusual. You guessed it, it's NT servers that do it.'
Obtained from: Frank van der Linden <frank@wins.uva.nl>
This commit is contained in:
Kirk McKusick 1998-09-29 23:15:53 +00:00
parent 35800d700a
commit e68e908bda
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=39790
2 changed files with 20 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
sys/nfs/nfs_vfsops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vfsops.c 8.12 (Berkeley) 5/20/95
* $Id: nfs_vfsops.c,v 1.75 1998/09/07 05:42:15 bde Exp $
* $Id: nfs_vfsops.c,v 1.76 1998/09/07 13:17:05 bde Exp $
*/
#include <sys/param.h>
@ -352,7 +352,7 @@ nfs_fsinfo(nmp, vp, cred, p)
nmp->nm_wsize = (pref + NFS_FABLKSIZE - 1) &
~(NFS_FABLKSIZE - 1);
max = fxdr_unsigned(u_int32_t, fsp->fs_wtmax);
if (max < nmp->nm_wsize) {
if (max < nmp->nm_wsize && max > 0) {
nmp->nm_wsize = max & ~(NFS_FABLKSIZE - 1);
if (nmp->nm_wsize == 0)
nmp->nm_wsize = max;
@ -362,16 +362,19 @@ nfs_fsinfo(nmp, vp, cred, p)
nmp->nm_rsize = (pref + NFS_FABLKSIZE - 1) &
~(NFS_FABLKSIZE - 1);
max = fxdr_unsigned(u_int32_t, fsp->fs_rtmax);
if (max < nmp->nm_rsize) {
if (max < nmp->nm_rsize && max > 0) {
nmp->nm_rsize = max & ~(NFS_FABLKSIZE - 1);
if (nmp->nm_rsize == 0)
nmp->nm_rsize = max;
}
pref = fxdr_unsigned(u_int32_t, fsp->fs_dtpref);
if (pref < nmp->nm_readdirsize)
nmp->nm_readdirsize = pref;
if (max < nmp->nm_readdirsize) {
nmp->nm_readdirsize = max;
if (pref < nmp->nm_readdirsize && pref >= NFS_DIRBLKSIZ)
nmp->nm_readdirsize = (pref + NFS_DIRBLKSIZ - 1) &
~(NFS_DIRBLKSIZ - 1);
if (max < nmp->nm_readdirsize && max > 0) {
nmp->nm_readdirsize = max & ~(NFS_DIRBLKSIZ - 1);
if (nmp->nm_readdirsize == 0)
nmp->nm_readdirsize = max;
}
fxdr_hyper(&fsp->fs_maxfilesize, &maxfsize);
if (maxfsize > 0 && maxfsize < nmp->nm_maxfilesize)

17
sys/nfsclient/nfs_vfsops.c
View File

@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* @(#)nfs_vfsops.c 8.12 (Berkeley) 5/20/95
* $Id: nfs_vfsops.c,v 1.75 1998/09/07 05:42:15 bde Exp $
* $Id: nfs_vfsops.c,v 1.76 1998/09/07 13:17:05 bde Exp $
*/
#include <sys/param.h>
@ -352,7 +352,7 @@ nfs_fsinfo(nmp, vp, cred, p)
nmp->nm_wsize = (pref + NFS_FABLKSIZE - 1) &
~(NFS_FABLKSIZE - 1);
max = fxdr_unsigned(u_int32_t, fsp->fs_wtmax);
if (max < nmp->nm_wsize) {
if (max < nmp->nm_wsize && max > 0) {
nmp->nm_wsize = max & ~(NFS_FABLKSIZE - 1);
if (nmp->nm_wsize == 0)
nmp->nm_wsize = max;
@ -362,16 +362,19 @@ nfs_fsinfo(nmp, vp, cred, p)
nmp->nm_rsize = (pref + NFS_FABLKSIZE - 1) &
~(NFS_FABLKSIZE - 1);
max = fxdr_unsigned(u_int32_t, fsp->fs_rtmax);
if (max < nmp->nm_rsize) {
if (max < nmp->nm_rsize && max > 0) {
nmp->nm_rsize = max & ~(NFS_FABLKSIZE - 1);
if (nmp->nm_rsize == 0)
nmp->nm_rsize = max;
}
pref = fxdr_unsigned(u_int32_t, fsp->fs_dtpref);
if (pref < nmp->nm_readdirsize)
nmp->nm_readdirsize = pref;
if (max < nmp->nm_readdirsize) {
nmp->nm_readdirsize = max;
if (pref < nmp->nm_readdirsize && pref >= NFS_DIRBLKSIZ)
nmp->nm_readdirsize = (pref + NFS_DIRBLKSIZ - 1) &
~(NFS_DIRBLKSIZ - 1);
if (max < nmp->nm_readdirsize && max > 0) {
nmp->nm_readdirsize = max & ~(NFS_DIRBLKSIZ - 1);
if (nmp->nm_readdirsize == 0)
nmp->nm_readdirsize = max;
}
fxdr_hyper(&fsp->fs_maxfilesize, &maxfsize);
if (maxfsize > 0 && maxfsize < nmp->nm_maxfilesize)