From: Jeremy Allison <jra@samba.org>
To: Steve French <smfrench@gmail.com>
Cc: CIFS <linux-cifs@vger.kernel.org>,
samba-technical <samba-technical@lists.samba.org>,
Namjae Jeon <linkinjeon@kernel.org>
Subject: Re: [PATCH][WIP] populate superblock uuid at mount time
Date: Fri, 29 Mar 2024 15:07:18 -0700 [thread overview]
Message-ID: <Zgc7lrgBSmNPIUSY@jeremy-HP-Z840-Workstation> (raw)
In-Reply-To: <CAH2r5muYgYr=kxSkzCmNQLaF0br_QZ2s=BLPd_TnOnPmTUz_WQ@mail.gmail.com>
On Fri, Mar 29, 2024 at 01:30:42AM -0500, Steve French wrote:
>In order to get the unique id for the volume (the 8 byte
>VolumeSerialNumber) we need to issue a QUERY_INFO level 59
>(FILE_ID_INFORMATION). Today we only query the older 4 byte (not
>guaranteed to be unique serial number). See section 2.4.21 of
>MS-FSCC. Looks like Samba and ksmbd do not support this info level
>though - although Windows does support it.
>
>Any thoughts on ksmbd or Samba support for FILE_ID_INFORMATION query?
>
>See attached work in progress patch
2.4.21 wants a 64-bit volume ID, and a 128-bit file id.
How do you want this synthesized from a 64-bit inode ?
Can we get a standard mapping for this ?
prev parent reply other threads:[~2024-03-29 22:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 6:30 [PATCH][WIP] populate superblock uuid at mount time Steve French
2024-03-29 22:07 ` Jeremy Allison [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Zgc7lrgBSmNPIUSY@jeremy-HP-Z840-Workstation \
--to=jra@samba.org \
--cc=linkinjeon@kernel.org \
--cc=linux-cifs@vger.kernel.org \
--cc=samba-technical@lists.samba.org \
--cc=smfrench@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.