From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f173.google.com (mail-pg1-f173.google.com [209.85.215.173]) (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 11CBC48C40F for ; Tue, 21 Jul 2026 10:35:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784630137; cv=none; b=FQckClEN4HMF7lcfwy05f6/WStONK9zutDndBx60uZ3Y3cmQfuUw78iAq4sucj6PKt/h5a4lN8VmQSIEgufIPkZCL+fo5kUegrhK2oYcx8Agml5L321TP9ed0Ih2HGmO2Svr0tgczll1s6FMSGbzwfpHA1PaEJXtpN1fGsptOzk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784630137; c=relaxed/simple; bh=dmNg9lAj5Y8tykAu2B+ztBcDmp1PpPWAHKFeqRnrelg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gM/PxYjHTjpFgXkzhvQEt5ab0dKDsrBv6rGaxjkiCc56txYJ4dDhLHDCQQAuhGP+Su8ZJfsKihKewUvvACZkFFdg9MDpAfUTlRrBXrCy+SQywOxuUgjFgYhPgDLbwZrhHGVBX/mnhbmeQ2zdlhXMxFMTxAbcoLxyJwyS+aGsXi0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=BtahaOW7; arc=none smtp.client-ip=209.85.215.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BtahaOW7" Received: by mail-pg1-f173.google.com with SMTP id 41be03b00d2f7-c9ef3e1337fso7552320a12.2 for ; Tue, 21 Jul 2026 03:35:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1784630134; x=1785234934; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=5u2ao+Sq2Fj0mcPWhJLeoRnDPXPF0xpJUdkE+3TKpDM=; b=BtahaOW7bJciYy5+8cDHBWmF1mQA8Q/yXf82P5YkpIaWofRkF3VgUrhWn5DaXE6TDO 49vaZk2g9ykxacBn+a2uicIbnAbWBnmnjjKvOgNtz6EPn+k1IOvT2eMjsjyFYdtXG2p9 1MfUJSwXytapWFS4O4M83ajnTaBY7o1ZWwv1wrJxvCuFAkru2rnhwKFV9R43GDHyim9F 9T49Nsal5EC5JpIU9B6k+hdX3JNDftiBVqE2agHuEMlkVu0EiRAJnsrMW+TCQ95LSX+V TbZA9MFagXsjTPtTeUw05GKGx0rlE0jaT4TqqVpyyt9fU2Qj4X4YsqZbeUklQs6rxhWS 4MIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784630134; x=1785234934; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=5u2ao+Sq2Fj0mcPWhJLeoRnDPXPF0xpJUdkE+3TKpDM=; b=hEar71UV3hLFKwrwiZRvOGhpgpJq/SkH7gtk5+H0R5LNsziiE6gqsVVchIItEfPLqh hNmQmZ0CpR0rYl9IA6Y/m4AkdRXyILfcutaYPhX4GVjGqca41FyjeyQmvmOMMenqTEB0 kyYOjRhk8+5PAj8Z/2xStfXCFAaKhC4Eh1BSm5BBd4ODs5SBwpwtaI+zNwFv49yWw8yI +Ly9Pb/NQgu9IIMFdGjhVylkZAkAW0XUPxeJxBZJ6isX+4lgaO7hss8HxcMZIxrvzqsG c4xY6rRH7T7wpIIJZDx1WyriASiwe7HAeTO77IWVWLvM8M1x1O6fqBATiyNWwKeVTXn1 JcJQ== X-Forwarded-Encrypted: i=1; AHgh+RrKWno9TGSuLk6JeJmFgIDV9E8wrQIj9ec+tYCWp2JxAVLmbRZJRDd1Kw1QNsYIE8wWvwwAAb8GYg==@vger.kernel.org X-Gm-Message-State: AOJu0YyE29VHVGUl7Idf5+Wu5HhSA/qK1N7KXinGMuwrpFYgRoeN6Pbn jBlmdgHCzj/ZykRIP7VyYjYFxCMMarCnkPYu9mpK002OXaCSGoXFleq1 X-Gm-Gg: AfdE7cl3BbmPGGSJahxpzJ0+rkxAy6vYqhPQdUOQj+oxH2OcZg5eyhlxTML06odUdjK krt0dmgasN1Iv55edCSt92sDUqqDDbxBqq+HMWB2vZxFITUpjT8RY8VFvNGEQf+pPKazasNC528 L7QwDaFhFtvYbBkrXZ4TJnNxSOMYvJ9B0PvMz3AW3vqNAViQ2X4wN1Mow47FWMRAe0N1BUV1QWx x10TCYxFkdY+ULlSYaYEzsmXK0ztuflTHIC5VZL250+uzUrhNMqttwJP6MdpZnQ7Yih5g1VyGSI RCbzP4d6L13xOL1YLbX5DTUzlnzgLFVxdYPeTIi+PDxxNRKn0RLN8V5xzH4E533G0YeHdvxSVPh 4p5Fb/jfWOeUEgcREODVyG8ZVl4Xml8H6NA1KVGiLCvlDtcpef7dXxjg5q9ZUW+toNVKAHriQrc 2c2/ormQmkBGpdJ2XtfKuvbCdLhAHeBtqLR+TPwkzfYlpUQM9Kx3oT1CiOdQgNI1WqVwDrZeEJJ +LOCYWZYKG9a+lClKlJOzIqHMxViVYILyCgAaghblqNKSIz+p59P6Gsfgwax8dPQpVsRYDg/Y8Z yEKi6JhYWScuaLk= X-Received: by 2002:a05:6a21:114c:b0:3c3:9ed1:2549 with SMTP id adf61e73a8af0-3c3ad95f80fmr18828549637.41.1784630134237; Tue, 21 Jul 2026 03:35:34 -0700 (PDT) Received: from cs-1047136853211-default.asia-southeast1-a.c.z168d0f9edf9bc766-tp.internal (114.107.87.34.bc.googleusercontent.com. [34.87.107.114]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3142a20c158sm49922929eec.29.2026.07.21.03.35.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Jul 2026 03:35:33 -0700 (PDT) From: Aditya Prakash Srivastava To: Jens Axboe , Christian Brauner , Alexander Viro Cc: Jan Kara , io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Aditya Prakash Srivastava Subject: [PATCH v3 0/2] io_uring: add fremovexattr and flistxattr support Date: Tue, 21 Jul 2026 10:35:12 +0000 Message-ID: <20260721103514.2716-1-aditya.ansh182@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series completes io_uring's FD-based xattr operations by adding support for: - IORING_OP_FREMOVEXATTR - IORING_OP_FLISTXATTR This allows asynchronous xattr removal and listing. New test cases have been added to the liburing test suite (test/xattr.c) and verified to pass. A separate userspace patch implementing the matching prep helpers, sanitizers, and test cases is submitted in parallel. - Patch 1 makes the necessary VFS-layer list/remove helpers non-static and declares them in fs/internal.h. - Patch 2 implements the io_uring operational support (opcodes, opdefs, preparation, and issue handlers) and invokes these exposed helpers. Changes since v2: - Revert unnecessary formatting changes to filename_listxattr in Patch 1. Changes since v1: - Omit path-based opcodes to prioritize optimal FD-based variants. - Limit exported VFS helpers to only file_listxattr and file_removexattr. - Rewrite standalone test program into a standard liburing testcase. Aditya Prakash Srivastava (2): fs: make file_listxattr and file_removexattr helpers non-static io_uring: add fremovexattr and flistxattr support fs/internal.h | 2 + fs/xattr.c | 3 +- include/uapi/linux/io_uring.h | 2 + io_uring/opdef.c | 18 +++++++ io_uring/xattr.c | 74 +++++++++++++++++++++++++++++ io_uring/xattr.h | 6 +++ tools/include/uapi/linux/io_uring.h | 13 +++++ 7 files changed, 116 insertions(+), 2 deletions(-) -- 2.47.3