From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (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 7AA5D3BA249; Wed, 1 Jul 2026 11:00:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782903652; cv=none; b=sQJC0zZ4Eez48l1jUd9w2n7We1wajWsB1Rne+011hcdn/OcVO0IBM9fyIFuIHRv7bYuaqQk/+XOPz+Dk+6YEENigwxj+WwbkcSmU5SGFLu11ynvFFPv1L16E3a7lsD7BGk82HQw61oQokAFMvBtMUwhPDDUaKMjfAXNPppM3DWY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782903652; c=relaxed/simple; bh=skVkq1E5zvgV2tQA4cFZMtKn7F88d8U+jQqLuXjZ6qU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=FqzM7iJtLeFzma59eqhZg8ArwlDCyn298pu5lVDS5yXTr+iMCt80gFp+ZQY3Q33Evw9HW760XFqBTnupeoQgd2xDt6HOuvmSg3f/me/dB76igYOM0HqQjYz0s8AP//EAXxXbJ9AK5gL+OoqZSe2Lpk9/Ltr7425cAooIbmx3Rbo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=pwj60eYZ; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="pwj60eYZ" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject: Cc:To:From:Sender:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=2lyo4K+aUEqVUosK/K9KJkHdGZoGDVEa22W2daoTvI4=; b=pwj60eYZWUfOPft83rjCAkViYK cXRB+vctMVHIgAeXrXSzRNVJn6nbSuPtRmiRH3/MiKnYR/IMvWU6n1Iy+lnJLmxzfruepYXgGNVK0 56t3tvfSjmdaH+blzQq7/nPe6m5N1c9YxL35LZqFA3gNT/pq7OFZDpG+hi6dbq3usYQEsvI8ysGUn qJkCCwYxn5Tw8aTOTVQRUcCMJGPntKoY5xsbriAF93+jv95HdyuJAWpSmMaMDpWt5fl1g4GCS9hUu mb4mE6pshTERqhAXkje9TdKlBnzpHTg/gW78ON/zr6aSxqLzek2goeMba9wqS3kMh56V7id4IkcQG t/PJGrQQ==; Received: from bl21-120-122.dsl.telepac.pt ([2.82.120.122] helo=localhost) by fanzine2.igalia.com with utf8esmtpsa (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1wesgP-007WY6-Hm; Wed, 01 Jul 2026 13:00:45 +0200 From: Luis Henriques To: Miklos Szeredi Cc: fuse-devel@lists.linux.dev, linux-kernel@vger.kernel.org, Matt Harvey , kernel-dev@igalia.com, Luis Henriques Subject: [PATCH] fuse: cache POSIX ACLs when setting them Date: Wed, 1 Jul 2026 12:00:52 +0100 Message-ID: <20260701110052.5309-1-luis@igalia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When setting an ACL in an inode we can immediately add it to the cache. This is a small optimisation, as currently an ACL is only added to the cache when reading it again, which involves an extra GETXATTR hop into user-space. Signed-off-by: Luis Henriques --- fs/fuse/acl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/acl.c b/fs/fuse/acl.c index 31fb50e16aed..c2584bb75ec7 100644 --- a/fs/fuse/acl.c +++ b/fs/fuse/acl.c @@ -155,6 +155,8 @@ int fuse_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, */ forget_all_cached_acls(inode); fuse_invalidate_attr(inode); + if (!ret) + set_cached_acl(inode, type, acl); } return ret;