From nobody Sat Feb 7 23:24:41 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A5FC3126C0; Fri, 6 Feb 2026 21:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770412337; cv=none; b=a2AfT1AgC5IYWi6KRudKKJdggeESFPQlCpnoAfU0Qi98HqVo/hinJHBzax7D7EKfW33Anb2FMus5Gjp+CVrkQ6SR8yWfpuButxmDiMJ8uB7YAeDbNmyp7D87gWSkhRvDestMwnUdf1FgUFz0jmlU0VvbDE8xlGcIZxiFtYlNUzo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770412337; c=relaxed/simple; bh=QeBXOf7iICj0Ad5qHcIJv0VhQMqjDmVdKEV04oiCJGE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Yl9HdYLvje8k762i3SIMXaUwg4cQ/2MDoyQlCETP0z2OGy6wbR7bQYUUmjIu8TbiPqVhDOtxrYiBFyASJ3kxNSxCOmT4FwnpLq/MvAPTbSRMgWAr3hoMkcAL10Ewg1QbYwru9n+1+Qla/lOuTxDEDfzn3cZ2S5R3NO8DVmdPh1I= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nyhNNPYW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nyhNNPYW" 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` Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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 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, } =20 +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 --=20 2.51.2