From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 17 Mar 2026 11:21:36 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w2RYO-001ltX-1n for lore@lore.pengutronix.de; Tue, 17 Mar 2026 11:21:36 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1w2RYO-00011d-0N for lore@pengutronix.de; Tue, 17 Mar 2026 11:21:36 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Date:Message-Id:Subject:References:In-Reply-To:To: From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=7KqUDgNEu5HU50GexGo6k6qlHvDPIah+RWAwti/8qEA=; b=NZTIj0crrpnmHrEyO+RfcwRlRU /4M6We0VztUi1IOl7u7TAXaISSTHzZfcBCUJ0jlq06Ap8xjnnMwsopPoc4x9GHksj5Sh26hyTF3hk YNOEmGkz1dgKl8xlFLwD/n6EhSbw7YQIsA7y+9XGt5mcOZCbP+D5urcO49FXrB/0R3o1h6Z8/IG2U DfdHi260921bxuPl7PnxAeXLNhIFg7qYiRtz9uHG4kKDkcL+bEd0N2PDtbVISI71tmaL5BvlJIHpF iT/nZAbymatwkpss7UecMII3VSphYzi/IfTMdV6/PFFRX76gijDtiW7xGF9vnFslP6hvtuF1UuWOw DRpp+1ng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2RXx-00000005ydy-1IEu; Tue, 17 Mar 2026 10:21:09 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w2RXu-00000005yct-20RM for barebox@lists.infradead.org; Tue, 17 Mar 2026 10:21:08 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1w2RXs-0000s6-P6; Tue, 17 Mar 2026 11:21:04 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1w2RXs-000iun-1q; Tue, 17 Mar 2026 11:21:04 +0100 Received: from [::1] (helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1w2RXs-0000000DClm-28NC; Tue, 17 Mar 2026 11:21:04 +0100 From: Sascha Hauer To: barebox@lists.infradead.org, Ahmad Fatoum In-Reply-To: <20260312144428.2158727-1-a.fatoum@pengutronix.de> References: <20260312144428.2158727-1-a.fatoum@pengutronix.de> Message-Id: <177374286450.3147253.14033423693792541848.b4-ty@pengutronix.de> Date: Tue, 17 Mar 2026 11:21:04 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.14.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260317_032106_520973_685935CF X-CRM114-Status: UNSURE ( 8.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 1/5] tftp: skip memory allocation when seeking to current position X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Thu, 12 Mar 2026 15:44:21 +0100, Ahmad Fatoum wrote: > We currently allocate 1K of memory, only to discard it when seeking to > the same offset, we are currently at. > > Restructure tftp_lseek() to use early returns for the unsupported > backward-seek and early-exit also for the no-op case of new pos being > the same as the old pos. > > [...] Applied, thanks! [1/5] tftp: skip memory allocation when seeking to current position https://git.pengutronix.de/cgit/barebox/commit/?id=4eb2b9845bd4 (link may not be stable) [2/5] tftp: warn when seek-heavy access wastes network bandwidth https://git.pengutronix.de/cgit/barebox/commit/?id=076a94b6e083 (link may not be stable) [3/5] tftp: emulate backwards seek by reopening the file https://git.pengutronix.de/cgit/barebox/commit/?id=ac2ff2fe4306 (link may not be stable) [4/5] libfile: drop TFTP-specific hack in open_fdt() https://git.pengutronix.de/cgit/barebox/commit/?id=ea481907e334 (link may not be stable) [5/5] fs: fix relative path resolution when CWD is on a TFTP mount https://git.pengutronix.de/cgit/barebox/commit/?id=0528a6a5585a (link may not be stable) Best regards, -- Sascha Hauer