ksmbd: set unique value to volume serial field in FS_VOLUME_INFORMATION

ksmbd: set unique value to volume serial field in FS_VOLUME_INFORMATION

BugLink: https://bugs.launchpad.net/bugs/1951822
commit 5d2f0b1083eb158bdff01dd557e2c25046c0a7d2 upstream.

Steve French reported ksmbd set fixed value to volume serial field in
FS_VOLUME_INFORMATION. Volume serial value needs to be set to a unique
value for client fscache. This patch set crc value that is generated
with share name, path name and netbios name to volume serial.

Fixes: e2f34481b24d ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org # v5.15
Reported-by: Steve French <smfrench@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>