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smb3: display session id in debug data

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Displaying the session id in /proc/fs/cifs/DebugData
is needed in order to correlate Linux client information
with network and server traces for many common support
scenarios.  Turned out to be very important for debugging.

Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
This commit is contained in:
Steve French 2019-05-08 22:41:37 -05:00
parent 78d9affbb0
commit b63a9de02d
1 changed files with 2 additions and 0 deletions
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2
fs/cifs/cifs_debug.c
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@ -380,6 +380,8 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
atomic_read(&server->in_send),
atomic_read(&server->num_waiters));
#endif
/* dump session id helpful for use with network trace */
seq_printf(m, " SessionId: 0x%llx", ses->Suid);
if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA)
seq_puts(m, " encrypted");
if (ses->sign)