smb: client: show smb lease key in open_files output

Add the SMB lease key in /proc/fs/cifs/open_files for
debugging purposes.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Bharath SM 2025-10-30 00:34:29 +05:30 • committed by Steve French
commit 9cfcd8601e