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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 99B28EE6B60 for ; Fri, 6 Feb 2026 21:12:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 076446B00A6; Fri, 6 Feb 2026 16:12:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 040F06B00A8; Fri, 6 Feb 2026 16:12:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EBA6A6B00A9; Fri, 6 Feb 2026 16:12:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id DD49E6B00A6 for ; Fri, 6 Feb 2026 16:12:19 -0500 (EST) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id A8BB4140357 for ; Fri, 6 Feb 2026 21:12:19 +0000 (UTC) X-FDA: 84415279998.04.7AF42CC Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf10.hostedemail.com (Postfix) with ESMTP id F31D8C0006 for ; Fri, 6 Feb 2026 21:12:17 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=nyhNNPYW; spf=pass (imf10.hostedemail.com: domain of a.hindborg@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=a.hindborg@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1770412338; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ideqKXRl+KC8uyTipqZC2c0hD7mkSSa147PGCFe88zQ=; b=uC3QftbijC/NZoZpHZycMGnE4jNgPTL647MSNe1mFMehfZ7fjLKKM78wyf5zKmVoIv7Y8K EkqKcNcQm4meiuOnfLIY00EAQ9/3BAyWrxGiNlHTNr5GAHhEoJKEn51/TknyeBYdcZkkUb ctjELmBqdvZKojU2ihkng8hsL+vD65A= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=nyhNNPYW; spf=pass (imf10.hostedemail.com: domain of a.hindborg@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=a.hindborg@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1770412338; a=rsa-sha256; cv=none; b=JopfoB7mWuVvU07VBGwsD2YoDSOVZ19MlLISvdt5HxeN7Hic8YByRYpGLILh12H1uQbh7d xZfDXz+Wc0upTMYL5Dyo1I3vBIBLaB6iiaJNh6/bCx23pVUf9I+dlb9KDSsUD+bGKFItNU 2wlSSiiy+AVZPLhCyjyuPrvCg9yThis= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 81B79601D2; Fri, 6 Feb 2026 21:12:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F9C7C19424; Fri, 6 Feb 2026 21:12:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770412337; bh=QeBXOf7iICj0Ad5qHcIJv0VhQMqjDmVdKEV04oiCJGE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=nyhNNPYWM1GLHkWakHwZEPnK0d6uMc9aIrhlMgVy6Ek1MlCQInIw9nQ2+5tDDGXCM UTVMUNDqtE/I3UqqIRibXG+c/0vzFycV+Mo5iuc2gtUq56iR+X6GKZwGLSvYFX9FCM Axg2TnM6TObx7sARpC9tLrKUhFKg5bLXy2fjiPc30k5/FQuze9eG5WZbeK/YwZ4P0D nJoltkXEu14Vt+EuDeRamO1iesLgpWanlwPD3LYFHmoyE1njqo81dGYYzv5K33ChAA Guo42yP+3yBmgdH3PVhGebTiUpM3KBSYFEmVkEIi3arR3/bmLNLT9Nv0sgIOq6Fuf7 Qywznk0Meef2w== From: Andreas Hindborg Date: Fri, 06 Feb 2026 22:10:48 +0100 Subject: [PATCH v2 02/11] rust: xarray: add debug format for `StoreError` MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260206-xarray-entry-send-v2-2-91c41673fd30@kernel.org> References: <20260206-xarray-entry-send-v2-0-91c41673fd30@kernel.org> In-Reply-To: <20260206-xarray-entry-send-v2-0-91c41673fd30@kernel.org> To: Tamir Duberstein , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Alice Ryhl , Trevor Gross , Danilo Krummrich , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Andrew Morton , Christoph Lameter , David Rientjes , Roman Gushchin , Harry Yoo Cc: Daniel Gomez , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andreas Hindborg X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1047; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=QeBXOf7iICj0Ad5qHcIJv0VhQMqjDmVdKEV04oiCJGE=; b=owEBbQKS/ZANAwAKAeG4Gj55KGN3AcsmYgBphljieWZ/1recsKiHHbZ5uEHZHRV0mZOSAv6KA uaHTggj9BaJAjMEAAEKAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaYZY4gAKCRDhuBo+eShj d+W1D/4qt398Xrr2oiXr1+jJpcY7mmP72uBRCYxORQ81s2Mg+hCY+dAEYH+h9DRbrOawMCh8S3h tz+sMTQFlhUYRHxzdWcgEPxQgBjbjwLytQQskg5tZE/GJFFns3m/EQxCgK0d9HVlp5PmjF1qZvU dExZSDPgvbQ8UjCDfxbwSAUUU5qku5iX3wgHImyOVdv1PUOAcQGfIx3Zb0qnzq8WL2IV9SXEXG0 Mbie9op8xNV2Qu2Nsfph3OXvMjmFDU4LHW7ygdY8i//zLFJsvD89PGqfLW9wPb+ayY2nB5Dbmcy 8goorUjz/oROTOGXemqz0sfwTcxXQ7A+TD85yjdo5C9Mqm0FZtfVgLzk5ln8TUN+IdEdsdy1XHW rDuT+RgGOG7fSX3vAMAFShjyZL4pd1AkDE1yZnweQiVb8yff3mGyfoUxiuAVHP8KWePekmzYZV+ TePzTqSSMpS1VKz6WmCihK/aU1DesDX177pCT/8iLrmmeR6o2YYi5NvVQdjj+oY+Oib0FvpwMRm Ur/l4cHjZ/hZVxNFvlHXaI6xlytrl3P7TeRjcLE2XIJ5c81YdFhKGG/m0J/j0KyQAlfAAvbuAXq CObOyfvdTDBR0T5B06gg7md3kl4q78WAhH157iiR2ox9w+KOOMqBBzU2nVJXz6LR5TrkSVl2l2L lPaBWzFXq9nxaRA== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: F31D8C0006 X-Stat-Signature: f8xsfxogfyfc5568axz6bk6j7k3w7ccs X-Rspam-User: X-HE-Tag: 1770412337-704634 X-HE-Meta: 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 1bUYMFhO yjh52kybDhS9dIJCu3UxdjprFq8avM1URuqMdCw6z0gwHloqWE9I7mvbBloAuYCqEnlYHrHXg3klEhUy7pb/HJ6ao6XIywoJiqLSHy0H3pBVBXBrNNVqFnN8i1Gor3Y8eFQzsH/9XB7p3sPoB8BwUvJg5+pqs+Iy/5JSU9AUaGBMh+oatEULmfFi+c0pZzWp3TYYlVcL4MuQ3y9sPmHZEUYtmCM/D9XV2b/FEPd4gw+pFZZWcEe0ZgNXg0AkdQaC2QAVkdaj7Iun23pe4A2OKf9oPdy6E9RnwjU2JPo+IWAkMC5+uQkXmtP+f4cru8/1SHqt9m9JPL4LisPco/MyqPGyNPntn2ELm+RFmdBUU3en0v8G/yNny+RZGM1punoG02sX7tf2IAUlrpaF+akqr4VyZ4VrPlbXArhndbtOYwhRrDHzPuaZTGWtGyw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add a `Debug` implementation for `StoreError` to enable better error reporting and debugging. The implementation only displays the `error` field and omits the `value` field, as `T` may not implement `Debug`. Reviewed-by: Gary Guo Acked-by: Tamir Duberstein Signed-off-by: Andreas Hindborg --- rust/kernel/xarray.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/rust/kernel/xarray.rs b/rust/kernel/xarray.rs index 88625c9abf4ef..d9762c6bef19c 100644 --- a/rust/kernel/xarray.rs +++ b/rust/kernel/xarray.rs @@ -193,6 +193,14 @@ pub struct StoreError { pub value: T, } +impl core::fmt::Debug for StoreError { + fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { + f.debug_struct("StoreError") + .field("error", &self.error) + .finish() + } +} + impl From> for Error { fn from(value: StoreError) -> Self { value.error -- 2.51.2