From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D4C4368 for ; Thu, 9 Dec 2021 01:58:55 +0000 (UTC) Received: by mail-pf1-f174.google.com with SMTP id u80so4033190pfc.9 for ; Wed, 08 Dec 2021 17:58:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=L1T5kw0pZcNts8FOP/PfwU4eyj9hIko4e2Jf8qhaR54=; b=Am1lWsGbBD8k6Gs6ODuIUg2RL/OgQkiCvVyy+TGCnSjjaya/C4UIEKYczYZJInND5q NEzMQSYXefk8ofo6cX1eYWFf2M2u+mDOgvBGYc3A6CY5UsLMIfWle8rnVwAT/EMp+XMg ifeiXM1HzJSNTrIpPCZCNL4yKEhvyICcW2qRrW0Lm7Mv9lRiMb9GjV7EfoQri/pY4miw BX6KoiLnmZel7/Tf1dRQguVFSpFyshdj4rnQrdiNlmyR8RTeMPZtRbV39xo3Uw5kv6Kn rycicUNV+7xlGGVNkkM0OfwBaIMyB6/tQG+z5NoPSHzta5JiglKPceqAoC+2B9Qd6s/L NjHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=L1T5kw0pZcNts8FOP/PfwU4eyj9hIko4e2Jf8qhaR54=; b=fBCzMjI785LhlwMFJDi0mpnWK7dbLQGQSFkNq2x4lT4rSgG5zJVhavgXhnGdZPcwME nAEI71Ap+OEIjhq6fPvlK3ADt7wvur/QRnX6A36UGCcxTZcSgpqAYfGcU9Djq1YfRekd h7BLHkEB1sJ2/+Rr785tqJV2C6ZhHpQwjXPTBgPp/tfO/OThKMQOg5RBsL3hFeOHzoPE fLOxMrs170+o9RAN59KpuT0BMa4dG55AqQFOrtRiJ5lM3PfuXiRenmHNqoQOr90GSY3z B2A9Fdmn3tjZDukJVvyC5OKUVBWUfUvISGoG0lcrvdkjtpe9gy4pM53Q/9OUWBw4wtQ/ lprg== X-Gm-Message-State: AOAM532teEF0//sBg2mhWSzIUss49ksEXtHqWvJ3Zo8zCwQqdIiwzIDU /hqc+eRCB6gN9UUiApoewMa2L19rWbsIP6+c0nrKFQ== X-Google-Smtp-Source: ABdhPJzAnoM9tgR/eh2HsITyJR3hItduz1eHZo9++I+GO7sFsnQRiKr7UiulUnv9YeK06rwF3wnyl2FTdM1vcsOiXQ8= X-Received: by 2002:a63:c052:: with SMTP id z18mr29045322pgi.74.1639015135135; Wed, 08 Dec 2021 17:58:55 -0800 (PST) Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20211208091203.2927754-1-hch@lst.de> <20211209004846.GA69193@magnolia> <20211209005559.GB69193@magnolia> In-Reply-To: <20211209005559.GB69193@magnolia> From: Dan Williams Date: Wed, 8 Dec 2021 17:58:43 -0800 Message-ID: Subject: Re: [PATCH] iomap: turn the byte variable in iomap_zero_iter into a ssize_t To: "Darrick J. Wong" Cc: Christoph Hellwig , linux-fsdevel , linux-xfs , Linux NVDIMM , Dan Carpenter Content-Type: text/plain; charset="UTF-8" On Wed, Dec 8, 2021 at 4:56 PM Darrick J. Wong wrote: > > On Wed, Dec 08, 2021 at 04:48:46PM -0800, Darrick J. Wong wrote: > > On Wed, Dec 08, 2021 at 10:12:03AM +0100, Christoph Hellwig wrote: > > > bytes also hold the return value from iomap_write_end, which can contain > > > a negative error value. As bytes is always less than the page size even > > > the signed type can hold the entire possible range. > > > > > > Fixes: c6f40468657d ("fsdax: decouple zeroing from the iomap buffered I/O code") > > ...waitaminute, ^^^^^^ in what tree is this commit? Did Linus merge > the dax decoupling series into upstream without telling me? > > /me checks... no? > > Though I searched for it on gitweb and came up with this bizarre plot > twist: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c6f40468657d16e4010ef84bf32a761feb3469ea > > (Is this the same as that github thing a few months ago where > everybody's commits get deduplicated into the same realm and hence > anyone can make trick the frontend into sort of making it look like > their rando commits end up in Linus' tree? Or did it get merged and > push -f reverted?) > > Ok, so ... I don't know what I'm supposed to apply this to? Is this > something that should go in Christoph's development branch? > > > > On the plus side, that means I /can/ go test-merge willy's iomap folios > for 5.17 stuff tonight. This commit is in the nvdimm.git tree and is merged in linux-next.