From: Steve French Date: Tue, 12 Mar 2019 06:29:03 +0000 (-0500) Subject: smb3: display volume serial number for shares in /proc/fs/cifs/DebugData X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ab7b10cf4fd14496292c62099f3a0a1c1ef90c0e;p=openwrt%2Fstaging%2Fblogic.git smb3: display volume serial number for shares in /proc/fs/cifs/DebugData It can be helpful for debugging. According to MS-FSCC: "A 32-bit unsigned integer that contains the serial number of the volume. The serial number is an opaque value generated by the file system at format time" Signed-off-by: Steve French Acked-by: Pavel Shilovsky --- diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index faeb1452cc2d..13c1288b04a7 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -115,6 +115,9 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon) seq_puts(m, " type: CDROM "); else seq_printf(m, " type: %d ", dev_type); + + seq_printf(m, "Serial Number: 0x%x", tcon->vol_serial_number); + if ((tcon->seal) || (tcon->ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) || (tcon->share_flags & SHI1005_FLAGS_ENCRYPT_DATA))