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Commit c318e6c2 authored Apr 04, 2018 by Steve French

SMB3: Log at least once if tree connect fails during reconnect



Adding an extra debug message to show if a tree connect failure during
reconnect (and made it a log once so it doesn't spam the logs).
Saw a case recently where tree connect repeatedly returned
access denied on reconnect and it wasn't as easy to spot as it
should have been.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>

parent c0953f2e

fs/cifs/cifssmb.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -206,8 +206,10 @@ cifs_reconnect_tcon(struct cifs_tcon *tcon, int smb_command)
		mutex_unlock(&ses->session_mutex);
		cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc);

		if (rc)
		if (rc) {
		printk_once(KERN_WARNING "reconnect tcon failed rc = %d\n", rc);
		goto out;
		}

		atomic_inc(&tconInfoReconnectCount);

fs/cifs/smb2pdu.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -268,8 +268,11 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
		mutex_unlock(&tcon->ses->session_mutex);

		cifs_dbg(FYI, "reconnect tcon rc = %d\n", rc);
		if (rc)
		if (rc) {
		/* If sess reconnected but tcon didn't, something strange ... */
		printk_once(KERN_WARNING "reconnect tcon failed rc = %d\n", rc);
		goto out;
		}

		if (smb2_command != SMB2_INTERNAL_CMD)
		queue_delayed_work(cifsiod_wq, &server->reconnect, 0);