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 0B68020C46F for ; Tue, 4 Feb 2025 11:29:00 +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=1738668540; cv=none; b=K0Xs4R1iej1cF2Za5D+QbGLf6FC49vSsvF5M0jpcLtGImsgO/Trfp4ihN/+J+rLsnu1oxnHs40wpDv7D4Aw9K4k/8WWJH6RXNww4/7c4NH04p5ERUy5ov7WIjqa4h8piTX70g3GXZLzO8M5hJR3cQ9kI3A73O9b2UdKFf1lnJr0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738668540; c=relaxed/simple; bh=vDzcH+jxvipj5mOU7vGgaaam7ebEwSwPJMT1JIlWZV4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hh92IuzzEDoa2sFE+0yjEMpfTbXeaexu5mgXG82KQPOPdghLDcaf2VnUwkgdPGjKcqho1logJHMjeKnOAhKR4XFJw9wM8mwr25iGGrQTA3+97qaJwE8M1jsfgr7WjzSy0YtDhbROa1d+X4Uz5V2rcsYFR+2TA4CaCUFnBzCCN3k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=beeX4FBa; 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="beeX4FBa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 137BAC4CEE4; Tue, 4 Feb 2025 11:28:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738668539; bh=vDzcH+jxvipj5mOU7vGgaaam7ebEwSwPJMT1JIlWZV4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=beeX4FBarFQVVwdrU3I0bSEiSfzYbNWz9YJA6P79+gzsecPu6SX79dMumbULf8Tqq qqNxa7I1QnrxGiDZXMnO+vMYzIytgBEmHjJu6dkTWOODZ0Nt6d9/MTom+WqTCaqGEK /PVC4TI1GckMQ4VM3UKu/SmWhqK3EJ5Y/y35nAgwzA8626JeaJNGvGoMjA482wMS25 09rjW3FCK0X0kXBLyHHL5e8yPuER8VXBiUuoEbp/tiHZFN2HcSjH9B1oxaWWaG3RP7 QsowIkjjXhsXfPK2AsIDal8LS5VSdiocbYeY+UDIwQ1AxWHAGRFTkK4ws8O9cYj7BA ajz/JvyOquxeg== From: Christian Brauner Date: Tue, 04 Feb 2025 12:28:48 +0100 Subject: [PATCH v2 3/4] samples/vfs: check whether flag was raised Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250204-work-mnt_idmap-statmount-v2-3-0ef9b19b27c3@kernel.org> References: <20250204-work-mnt_idmap-statmount-v2-0-0ef9b19b27c3@kernel.org> In-Reply-To: <20250204-work-mnt_idmap-statmount-v2-0-0ef9b19b27c3@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Josef Bacik , Jeff Layton , Lennart Poettering , Daan De Meyer , Seth Forshee , Miklos Szeredi , Christian Brauner X-Mailer: b4 0.15-dev-d23a9 X-Developer-Signature: v=1; a=openpgp-sha256; l=1326; i=brauner@kernel.org; h=from:subject:message-id; bh=vDzcH+jxvipj5mOU7vGgaaam7ebEwSwPJMT1JIlWZV4=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMaQv/Pmpfs6itkU5klcyPuSycjybWNARfjFK44SmYN5ak bJdWzJUOkpZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACbyfCfDf9f/LDFJgqYXP265 +aBgQi2vqEC4bcrHC4s2MMlpR/MrszD801p0b/Ljc2ErVq+p1N27MGLho5nfOg1jzrxu2s3VxHl 5CwsA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 For string options the kernel will raise the corresponding flag only if the string isn't empty. So check for the flag. Signed-off-by: Christian Brauner --- samples/vfs/test-list-all-mounts.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/samples/vfs/test-list-all-mounts.c b/samples/vfs/test-list-all-mounts.c index 1a02ea4593e3..ce272ded8a79 100644 --- a/samples/vfs/test-list-all-mounts.c +++ b/samples/vfs/test-list-all-mounts.c @@ -138,10 +138,11 @@ int main(int argc, char *argv[]) printf("mnt_id:\t\t%" PRIu64 "\nmnt_parent_id:\t%" PRIu64 "\nfs_type:\t%s\nmnt_root:\t%s\nmnt_point:\t%s\nmnt_opts:\t%s\n\n", (uint64_t)stmnt->mnt_id, (uint64_t)stmnt->mnt_parent_id, - stmnt->str + stmnt->fs_type, - stmnt->str + stmnt->mnt_root, - stmnt->str + stmnt->mnt_point, - stmnt->str + stmnt->mnt_opts); + (stmnt->mask & STATMOUNT_FS_TYPE) ? stmnt->str + stmnt->fs_type : "", + (stmnt->mask & STATMOUNT_MNT_ROOT) ? stmnt->str + stmnt->mnt_root : "", + (stmnt->mask & STATMOUNT_MNT_POINT) ? stmnt->str + stmnt->mnt_point : "", + (stmnt->mask & STATMOUNT_MNT_OPTS) ? stmnt->str + stmnt->mnt_opts : ""); + free(stmnt); } } -- 2.47.2