Re: [PATCH] cifs: show the "w" bit for writeable /proc/fs/cifs/* files

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I am all for a smb3 module alias, but is it possible to have a
different mount function/wrapper for it so that IF
you "modprobe smb3" then vers=3 is the default and you can NOT select
a lower version ?

I.e.
modprobe smb3
mount -o vers=1,...
=> error


On Thu, May 24, 2018 at 4:55 PM, Steve French <smfrench@xxxxxxxxx> wrote:
> ---------- Forwarded message ----------
> From: Steve French <smfrench@xxxxxxxxx>
> Date: Thu, May 24, 2018 at 1:53 AM
> Subject: Re: [PATCH] cifs: show the "w" bit for writeable /proc/fs/cifs/* files
> To: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> Cc: linux-cifs <linux-cifs@xxxxxxxxxxxxxxx>
>
>
> merged into cifs-2.6.git for-next
>
> I also added a patch to allow use to load "smb3" instead of just
> "cifs" ("modprobe smb3" will now work not just "modprobe cifs" - we
> really want to be encouraging people to use SMB3 and later for
> security reasons (among others) and this will allow us to use the more
> logical name 'smb3')
>
> https://git.samba.org/?p=sfrench/cifs-2.6.git;a=commit;h=64a051adf5911e8a71a46413c60beaf17ce7143d
>
> On Wed, May 23, 2018 at 11:18 PM, Ronnie Sahlberg <lsahlber@xxxxxxxxxx> wrote:
>>
>> RHBZ: 1539612
>>
>> Lets show the "w" bit for those files have a .write interface to set/enable/...
>> the feature.
>>
>> Reported-by: Xiaoli Feng <xifeng@xxxxxxxxxx>
>> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
>> ---
>>  fs/cifs/cifs_debug.c | 28 ++++++++++++++--------------
>>  1 file changed, 14 insertions(+), 14 deletions(-)
>>
>> diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
>> index 9d69ea433330..22eb7b3c44fb 100644
>> --- a/fs/cifs/cifs_debug.c
>> +++ b/fs/cifs/cifs_debug.c
>> @@ -500,32 +500,32 @@ cifs_proc_init(void)
>>         proc_create("DebugData", 0, proc_fs_cifs, &cifs_debug_data_proc_fops);
>>
>>  #ifdef CONFIG_CIFS_STATS
>> -       proc_create("Stats", 0, proc_fs_cifs, &cifs_stats_proc_fops);
>> +       proc_create("Stats", 0644, proc_fs_cifs, &cifs_stats_proc_fops);
>>  #endif /* STATS */
>> -       proc_create("cifsFYI", 0, proc_fs_cifs, &cifsFYI_proc_fops);
>> -       proc_create("traceSMB", 0, proc_fs_cifs, &traceSMB_proc_fops);
>> -       proc_create("LinuxExtensionsEnabled", 0, proc_fs_cifs,
>> +       proc_create("cifsFYI", 0644, proc_fs_cifs, &cifsFYI_proc_fops);
>> +       proc_create("traceSMB", 0644, proc_fs_cifs, &traceSMB_proc_fops);
>> +       proc_create("LinuxExtensionsEnabled", 0644, proc_fs_cifs,
>>                     &cifs_linux_ext_proc_fops);
>> -       proc_create("SecurityFlags", 0, proc_fs_cifs,
>> +       proc_create("SecurityFlags", 0644, proc_fs_cifs,
>>                     &cifs_security_flags_proc_fops);
>> -       proc_create("LookupCacheEnabled", 0, proc_fs_cifs,
>> +       proc_create("LookupCacheEnabled", 0644, proc_fs_cifs,
>>                     &cifs_lookup_cache_proc_fops);
>>  #ifdef CONFIG_CIFS_SMB_DIRECT
>> -       proc_create("rdma_readwrite_threshold", 0, proc_fs_cifs,
>> +       proc_create("rdma_readwrite_threshold", 0644, proc_fs_cifs,
>>                 &cifs_rdma_readwrite_threshold_proc_fops);
>> -       proc_create("smbd_max_frmr_depth", 0, proc_fs_cifs,
>> +       proc_create("smbd_max_frmr_depth", 0644, proc_fs_cifs,
>>                 &cifs_smbd_max_frmr_depth_proc_fops);
>> -       proc_create("smbd_keep_alive_interval", 0, proc_fs_cifs,
>> +       proc_create("smbd_keep_alive_interval", 0644, proc_fs_cifs,
>>                 &cifs_smbd_keep_alive_interval_proc_fops);
>> -       proc_create("smbd_max_receive_size", 0, proc_fs_cifs,
>> +       proc_create("smbd_max_receive_size", 0644, proc_fs_cifs,
>>                 &cifs_smbd_max_receive_size_proc_fops);
>> -       proc_create("smbd_max_fragmented_recv_size", 0, proc_fs_cifs,
>> +       proc_create("smbd_max_fragmented_recv_size", 0644, proc_fs_cifs,
>>                 &cifs_smbd_max_fragmented_recv_size_proc_fops);
>> -       proc_create("smbd_max_send_size", 0, proc_fs_cifs,
>> +       proc_create("smbd_max_send_size", 0644, proc_fs_cifs,
>>                 &cifs_smbd_max_send_size_proc_fops);
>> -       proc_create("smbd_send_credit_target", 0, proc_fs_cifs,
>> +       proc_create("smbd_send_credit_target", 0644, proc_fs_cifs,
>>                 &cifs_smbd_send_credit_target_proc_fops);
>> -       proc_create("smbd_receive_credit_max", 0, proc_fs_cifs,
>> +       proc_create("smbd_receive_credit_max", 0644, proc_fs_cifs,
>>                 &cifs_smbd_receive_credit_max_proc_fops);
>>  #endif
>>  }
>> --
>> 2.13.3
>>
>
>
>
> --
> Thanks,
>
> Steve
>
>
>
> --
> Thanks,
>
> Steve
--
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