Date: Thu, 23 May 2002 15:16:07 -0700 From: jra@samba.org (Jeremy Allison) To: Michail Vidiassov <master@iaas.msu.ru> Cc: samba-technical@samba.org, freebsd-questions@freebsd.org Subject: Re: zero size of mapped drives on samba2.2.4 with quotas Message-ID: <20020523151607.V25344@va.samba.org> In-Reply-To: <20020523222241.Q11202-100000@serv.iaas.msu.ru>; from master@iaas.msu.ru on Thu, May 23, 2002 at 10:39:45PM %2B0400 References: <20020523222241.Q11202-100000@serv.iaas.msu.ru>
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On Thu, May 23, 2002 at 10:39:45PM +0400, Michail Vidiassov wrote:
> Dear Guru,
>
> I am running samba 2.2.4 on FreeBSD 4.5
>
> The size of mapped drives with quota enabled is always shown as 0 by W2k.
> There was no such problem with samba 2.2.3a.
>
> As far as I undestand, th esource of the problem is the following change
> of source/smbd/trans2.c (it was intended to
> fixe the display of the 'size on disk' property of files from w2k):
>
> ===================================================================
> RCS file: /cvsroot/samba/source/smbd/trans2.c,v
> retrieving revision 1.149.4.75
> retrieving revision 1.149.4.76
> diff -u -r1.149.4.75 -r1.149.4.76
> --- samba/source/smbd/trans2.c 2002/04/12 01:33:08 1.149.4.75
> +++ samba/source/smbd/trans2.c 2002/04/12 15:34:01 1.149.4.76
> @@ -1421,12 +1421,13 @@
> case SMB_QUERY_FS_SIZE_INFO:
> case SMB_FS_SIZE_INFORMATION:
> {
> - SMB_BIG_UINT dfree,dsize,bsize;
> + SMB_BIG_UINT dfree,dsize,bsize,secs_per_unit;;
> data_len = 24;
> conn->vfs_ops.disk_free(conn,".",False,&bsize,&dfree,&dsize);
> - SBIG_UINT(pdata,0,dsize);
> - SBIG_UINT(pdata,8,dfree);
> - SIVAL(pdata,16,bsize/512);
> + secs_per_unit = 2;
> + SBIG_UINT(pdata,0,dsize*(bsize/(512*secs_per_unit)));
> + SBIG_UINT(pdata,8,dfree*(bsize/(512*secs_per_unit)));
> + SIVAL(pdata,16,secs_per_unit);
> SIVAL(pdata,20,512);
> break;
> }
>
> This code seems to have problems in case bsize=512.
> It is the case with FreeBSD and disk quotas enabled.
>
> Reversing the patch solves my disk size problem.
>
> I seek confirmations / comments.
Can you try applying the following patch - this may not be the
correct fix - I'm checking with tridge (who wrote the original
code) to be sure.
Thanks,
Jeremy.
--------------------------------------------------------------------
Index: smbd/trans2.c
===================================================================
RCS file: /data/cvs/samba/source/smbd/trans2.c,v
retrieving revision 1.149.4.80
diff -u -r1.149.4.80 trans2.c
--- smbd/trans2.c 2002/05/20 16:41:45 1.149.4.80
+++ smbd/trans2.c 2002/05/23 22:14:45
@@ -1439,6 +1439,12 @@
SMB_BIG_UINT dfree,dsize,bsize,secs_per_unit;;
data_len = 24;
conn->vfs_ops.disk_free(conn,".",False,&bsize,&dfree,&dsize);
+ if (bsize < 1024) {
+ SMB_BIG_UINT factor = 1024/bsize;
+ bsize = 1024;
+ dsize /= factor;
+ dfree /= factor;
+ }
secs_per_unit = 2;
SBIG_UINT(pdata,0,dsize*(bsize/(512*secs_per_unit)));
SBIG_UINT(pdata,8,dfree*(bsize/(512*secs_per_unit)));
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