From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A3924C433F5 for ; Mon, 28 Mar 2022 14:51:06 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 1F1D53C9AA2 for ; Mon, 28 Mar 2022 16:51:04 +0200 (CEST) Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [217.194.8.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 8DA083C97F1 for ; Mon, 28 Mar 2022 16:50:54 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-5.smtp.seeweb.it (Postfix) with ESMTPS id B3BF860010F for ; Mon, 28 Mar 2022 16:50:53 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id A87031F37C; Mon, 28 Mar 2022 14:50:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1648479052; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=r31rnsZn2rVtnF+PluhjXEVRXanmhJkEL6ZUuKYjDoo=; b=rw2wl/MkBW/wyzhknlw26IcMdy6Dr6AqBgxs9KNsT8yuT04LXC0J6eTTfY5c+RAFvSgcqU 7boc93LusBM0pKvNeg/DzSstXc/rdWB1ere/t4eBRaetHpU6GyHyS6DvqxxiWOLrT1Acl9 sxRoCoOSC0jlR3Cuh/xcBQr18abXnVk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1648479052; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=r31rnsZn2rVtnF+PluhjXEVRXanmhJkEL6ZUuKYjDoo=; b=RI4QMRZP5j0SqVROe0+dggsDl1qGSRC/koLDBv5ZAVRGQeo2AdqWv2K9ebOz9XtG88jrvM gQ4o2jyJJqF4TOAg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 88B0813215; Mon, 28 Mar 2022 14:50:52 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id V3rqH0zLQWJ2OwAAMHmgww (envelope-from ); Mon, 28 Mar 2022 14:50:52 +0000 Date: Mon, 28 Mar 2022 16:53:11 +0200 From: Cyril Hrubis To: Petr Vorel Message-ID: References: <20220325184435.1206-1-pvorel@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220325184435.1206-1-pvorel@suse.cz> X-Virus-Scanned: clamav-milter 0.102.4 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH 1/1] lib: Retry safe_clone() on ENOSPC|EUSERS X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi! > + /* too fast creating namespaces => retrying */ > + if (pid < 0 && (errno == ENOSPC || errno == EUSERS)) { > + tst_res_(file, lineno, TINFO | TERRNO, "%s() failed => retrying", > + pid == -2 ? "clone" : "clone3"); > + usleep(100000); > + pid = tst_clone(args); Wouldn't it make sense to use the exponential backof macro we have in tst_common.h? -- Cyril Hrubis chrubis@suse.cz -- Mailing list info: https://lists.linux.it/listinfo/ltp