On Mon, 16 Apr 2012 13:39:39 -0500 Bill Marshall <wm.marshall@xxxxxxxxx> wrote: > We have lots of DFS links setup on samba servers. They are mostly > served from SLES w/ Samba 3.0.36 > > Under windows I can map to a dfs root called \\server\admin and then I > see several "directories" which are symlinks on the samba server. When > I cd into a directory, Samba gives the client a dfs redirect and off I > go to another server. > > When I do this from RH 6.2 (mount.cifs 4.8.1) the I get things like: > > $ ls > ls: cannot read symbolic link cfengine: Object is remote > ls: cannot read symbolic link cron: Object is remote > The above is unfortunately the case due to a limitation of the CIFS protocol. We don't have a way to reliably identify DFS junctions from FIND_FILE. > then if I try: > $ cd cfengine > -bash: cd: cfengine: Not a directory > This is a known bug that's being sorted out at the moment. See: https://bugzilla.redhat.com/show_bug.cgi?id=786149 > I disabled unix extensions on the dfs server, but it doesn't seem to matter. > > It works w/ CIFS if I map/mount to \\server\admin\cfengine directly, > but I'm used to connecting to the higher level directory. > > Should this work? Could this work? > > CIFS debug generates: > > fs/cifs/inode.c: CIFS VFS: in cifs_revalidate_dentry as Xid: 15308 with uid: 500 > fs/cifs/inode.c: Revalidate: //server/admin inode 0xffff8801461f0328 > count 2 dentry: 0xffff88011015e180 d_time 72057589759737855 jiffies > 4320580305 > fs/cifs/inode.c: Getting info on //server/admin > fs/cifs/cifssmb.c: In QPathInfo (Unix) the path //server/admin > fs/cifs/transport.c: For smb_command 50 > fs/cifs/transport.c: Sending smb: total_len 104 > fs/cifs/connect.c: rfc1002 length 0xa4 > fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=148 state=4 > fs/cifs/inode.c: cifs_revalidate_cache: revalidating inode 147927 > fs/cifs/inode.c: cifs_revalidate_cache: inode 147927 is unchanged > fs/cifs/inode.c: inode 0xffff8801461f0328 old_time=4320519230 > new_time=4320580322 > fs/cifs/inode.c: CIFS VFS: leaving cifs_revalidate_dentry (xid = 15308) rc = 0 > fs/cifs/inode.c: CIFS VFS: in cifs_revalidate_dentry as Xid: 15309 with uid: 500 > fs/cifs/inode.c: Revalidate: //server/admin/cron inode > 0xffff8801461f0af0 count 1 dentry: 0xffff8801101a0ec0 d_time 0 jiffies > 4320580322 > fs/cifs/inode.c: Getting info on //server/admin/cron > fs/cifs/cifssmb.c: In QPathInfo (Unix) the path //server/admin/cron > fs/cifs/transport.c: For smb_command 50 > fs/cifs/transport.c: Sending smb: total_len 114 > fs/cifs/connect.c: rfc1002 length 0x27 > fs/cifs/connect.c: invalid transact2 word count > fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=149 state=4 > Status code returned 0xc0000257 NT_STATUS_PATH_NOT_COVERED > fs/cifs/netmisc.c: Mapping smb error code 3 to POSIX err -66 > fs/cifs/cifssmb.c: Send error in QPathInfo = -66 > fs/cifs/inode.c: creating fake fattr for DFS referral > fs/cifs/inode.c: cifs_revalidate_cache: revalidating inode 147930 > fs/cifs/inode.c: cifs_revalidate_cache: invalidating inode 147930 mapping > fs/cifs/inode.c: inode 0xffff8801461f0af0 old_time=4320511879 > new_time=4320580325 > fs/cifs/inode.c: CIFS VFS: leaving cifs_revalidate_dentry (xid = 15309) rc = 0 > fs/cifs/inode.c: CIFS VFS: in cifs_revalidate_dentry as Xid: 15310 with uid: 500 > fs/cifs/inode.c: CIFS VFS: leaving cifs_revalidate_dentry (xid = 15310) rc = 0 > fs/cifs/inode.c: CIFS VFS: in cifs_revalidate_dentry as Xid: 15311 with uid: 500 > fs/cifs/inode.c: CIFS VFS: leaving cifs_revalidate_dentry (xid = 15311) rc = 0 > > > Bill Marshall > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Jeff Layton <jlayton@xxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
