new SMB3.1.1 create contexts

[Steve French]

I wanted to add the missing context # first and then wanted to add the
details for at least the Mac one so I could use it in some cases

On Sun, Oct 2, 2022, 14:27 Tom Talpey <tom at talpey.com> wrote:

> On 10/2/2022 12:01 AM, Steve French wrote:
> > patch attached to add the four missing create context IDs to the kernel
>
> These don't seem very important, to me. The APP_INSTANCE ones are
> about clustered clients where VMs may want to migrate around the
> cluster and not lose their VHDs. The OPEN_DEVICE_CONTEXT is about
> MS-RSVD. Neither of these are in Linux?
>
> The AAPL one is all about MacOS behaviors. If this is being added,
> it needs additional documentation of the parameter block, no?
>
> Tom.
>
> > On Sat, Oct 1, 2022 at 6:50 PM Steve French <smfrench at gmail.com> wrote:
> >>
> >> Noticed a few SMB3.1.1 create contexts missing from the Linux kernel
> >> code.  Any more beyond these four that are still missing?
> >>
> >> diff --git a/fs/smbfs_common/smb2pdu.h b/fs/smbfs_common/smb2pdu.h
> >> index 2cab413fffee..7d605db3bb3b 100644
> >> --- a/fs/smbfs_common/smb2pdu.h
> >> +++ b/fs/smbfs_common/smb2pdu.h
> >> @@ -1101,7 +1101,11 @@ struct smb2_change_notify_rsp {
> >>   #define SMB2_CREATE_REQUEST_LEASE              "RqLs"
> >>   #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2  "DH2Q"
> >>   #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2        "DH2C"
> >> -#define SMB2_CREATE_TAG_POSIX
> >> "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"
> >> +#define SMB2_CREATE_TAG_POSIX
> >> "\x93\xAD\x25\x50\x9C\xB4\x11\xE7\xB4\x23\x83\xDE\x96\x8B\xCD\x7C"
> >> +#define SMB2_CREATE_APP_INSTANCE_ID
> >> "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74"
> >> +#define SMB2_CREATE_APP_INSTANCE_VERSION
> >> "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10"
> >> +#define SVHDX_OPEN_DEVICE_CONTEXT
> >> "\x9C\xCB\xCF\x9E\x04\xC1\xE6\x43\x98\x0E\x15\x8D\xA1\xF6\xEC\x83"
> >> +#define SMB2_CREATE_TAG_AAPL                   "AAPL"
> >>
> >>
> >> --
> >> Thanks,
> >>
> >> Steve
> >
> >
> >
>