From mboxrd@z Thu Jan 1 00:00:00 1970 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 91D8A3612F8; Mon, 12 Jan 2026 17:46:57 +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=1768240017; cv=none; b=G6Fv8+E4BymLybmOq2Y0C9NBhzscuCLkEVnXMPn3WoB1pzDUvTiI+NieTF7f1xq1qY6OheAHs/vM64nMXbyMikgRgFQjJyg7JFGduvTJV/iZsOENpAJldEllV9T3h4jL55Exy5b1rGlnrpA1o5dCffHpUYnlP++lhtq7v5ToZdY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768240017; c=relaxed/simple; bh=Hnozn2sdgRnA1HMevRa1Ee51oWOT/FX5helgZbvUUkM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Gsdu/0kclqFKu4xNkN+exMTfIw41/cNw4+xcXrN7JRFqm8UWk1V3BulOsnFw6gxHJbsgVMt2ld0SAoxWRWTLo73ZHODjhnO7wP27fUSRJuAPAn8BgYFya4ZL9uj1FtF2AH57FgP6wvkGby4UXUuDBdEKEHh2RJtxkJAWzGQD/OM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cooTinHb; 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="cooTinHb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02A8DC2BC86; Mon, 12 Jan 2026 17:46:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768240017; bh=Hnozn2sdgRnA1HMevRa1Ee51oWOT/FX5helgZbvUUkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cooTinHbxWXarz9+KKRqJTJHeempyiqEr7dgTG7ICeqILB1L8ta73AgD8r1FJX3My 0uU3yq1Sjl7lMJLniF569jzDeGTCMry+zDzMKrjoAZArtAwzuhMdsTjZ7i4Sma/B5M r9lv13Et4CTRKMQeeIPQ7V8N2lWIjaxCEvRM+sB5eRCCnw5Fduh7V1R2hc4MDCP1Kn d8Y/8j0P1atfbaRMRuROKx/Jai/5NLBdgxt+IuRqP9YZ7wL4aYRJbc6JSx0jywXGFc wbgpvWtFPuZ5STOHPOFbmGkubVXS7dNbDw27N3ZBAZaeYtjEVo92DPwAylHp2JwxZj IadzAWUrRfZ2Q== From: Chuck Lever To: vira, Christian Brauner , Jan Kara Cc: , linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-cifs@vger.kernel.org, , linux-f2fs-devel@lists.sourceforge.net, hirofumi@mail.parknet.co.jp, linkinjeon@kernel.org, sj1557.seo@samsung.com, yuezhang.mo@sony.com, almaz.alexandrovich@paragon-software.com, slava@dubeyko.com, glaubitz@physik.fu-berlin.de, frank.li@vivo.com, tytso@mit.edu, adilger.kernel@dilger.ca, cem@kernel.org, sfrench@samba.org, pc@manguebit.org, ronniesahlberg@gmail.com, sprasad@microsoft.com, trondmy@kernel.org, anna@kernel.org, jaegeuk@kernel.org, chao@kernel.org, hansg@kernel.org, senozhatsky@chromium.org, Chuck Lever Subject: [PATCH v3 08/16] xfs: Report case sensitivity in fileattr_get Date: Mon, 12 Jan 2026 12:46:21 -0500 Message-ID: <20260112174629.3729358-9-cel@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260112174629.3729358-1-cel@kernel.org> References: <20260112174629.3729358-1-cel@kernel.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chuck Lever Upper layers such as NFSD need to query whether a filesystem is case-sensitive. Populate the case_insensitive and case_preserving fields in xfs_fileattr_get(). XFS always preserves case. XFS is case-sensitive by default, but supports ASCII case-insensitive lookups when formatted with the ASCIICI feature flag. Signed-off-by: Chuck Lever --- fs/xfs/xfs_ioctl.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 59eaad774371..97314fcb7732 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -516,6 +516,13 @@ xfs_fileattr_get( xfs_fill_fsxattr(ip, XFS_DATA_FORK, fa); xfs_iunlock(ip, XFS_ILOCK_SHARED); + /* + * XFS is case-sensitive by default, but can be formatted with + * ASCII case-insensitive mode enabled. + */ + fa->case_insensitive = xfs_has_asciici(ip->i_mount); + fa->case_preserving = true; + return 0; } -- 2.52.0