From nobody Wed Oct 1 22:26:35 2025 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 D394D1A9FA4; Fri, 26 Sep 2025 09:27:39 +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=1758878859; cv=none; b=A3dmbK43vz0a2sP4Ly3BbgVABBomSVf/KBE2JaiBLnrtrOTAn+F7P3X9lYm4pwlCdOR4/4JubRC9Jpe8tvmspFBlgXNF94lHOs9gRpglgO700s8F01EQBbJWIMXW5kUb14nRsZRod/7Pmoff+XmlhBvu1vE378Czu6dDCjJwV5E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758878859; c=relaxed/simple; bh=bjiXcfLPlhN7qCFj4w0sp8jbXNvjc2ffeql8BPbnWpo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WCCnuGyHHsAFoInBT5ua+jcmm83ZOWGC6rwRMyg2ioa0Mvp13h0GdZY/tUBbKDHc2QUcQf/l/ROcJ0IAUkBVH4EdH3xbb+bG5UOBQYn7evkaaffcHTPneYn7kwnzH/FBGwcq+GPzLDDfoMkO/Q2A3U19g8Chjc4PvBXqa9+xogc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=htfR9Fn7; 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="htfR9Fn7" Received: by smtp.kernel.org (Postfix) with ESMTPS id 80A02C4CEF5; Fri, 26 Sep 2025 09:27:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758878859; bh=bjiXcfLPlhN7qCFj4w0sp8jbXNvjc2ffeql8BPbnWpo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=htfR9Fn77V/EC1FsKNdoMNB3KUPRv2RPX3gUFJcPnH3/NpE5uHwfJVSyLWdDLXQK5 EzOZNtUsp8tTsFbIm2TVMixzFlUYbjSKIr292CgmIWvpp8xQOX71TSWlyMa/p1j3z5 K93PvOm8XEtRnAslMGX2p4e4zqJqW/55ZBKT/KXZTpSbnoLpX+gP3twP+0aaBTMMVw rrd0iHscsyh42xyyFdJvsHlk7lx3rp5eDz66AE6kxr3Sf4nHkxlzBH0mcbz0OiMXts pNP9ddk3f+ciwWnaKTt9Z8cDK8kj66QJrNpB9quy+oSzQKxrqrrXotdB9h2JYF2o+/ R+paKGubzARsQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EB26CAC5AE; Fri, 26 Sep 2025 09:27:39 +0000 (UTC) From: Dominique Martinet via B4 Relay Date: Fri, 26 Sep 2025 18:27:29 +0900 Subject: [PATCH 1/3] 9p: clean up comment typos 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: <20250926-v9fs_misc-v1-1-a8b3907fc04d@codewreck.org> References: <20250926-v9fs_misc-v1-0-a8b3907fc04d@codewreck.org> In-Reply-To: <20250926-v9fs_misc-v1-0-a8b3907fc04d@codewreck.org> To: "Randall P. 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Embry" Fix a few minor typos in comments (e.g. "trasnport" =E2=86=92 "transport"). Signed-off-by: Randall P. Embry Signed-off-by: Dominique Martinet --- fs/9p/v9fs.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 77e9c4387c1dfd4de8a54e9b6f676bdf987dbdc9..01e70a464b6039231df272e43b4= ebdd3b5afb967 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -438,8 +438,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_in= fo *v9ses, v9ses->flags &=3D ~V9FS_ACCESS_MASK; v9ses->flags |=3D V9FS_ACCESS_USER; } - /*FIXME !! */ - /* for legacy mode, fall back to V9FS_ACCESS_ANY */ + /* FIXME: for legacy mode, fall back to V9FS_ACCESS_ANY */ if (!(v9fs_proto_dotu(v9ses) || v9fs_proto_dotl(v9ses)) && ((v9ses->flags&V9FS_ACCESS_MASK) =3D=3D V9FS_ACCESS_USER)) { =20 @@ -450,7 +449,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_in= fo *v9ses, if (!v9fs_proto_dotl(v9ses) || !((v9ses->flags & V9FS_ACCESS_MASK) =3D=3D V9FS_ACCESS_CLIENT)) { /* - * We support ACL checks on clinet only if the protocol is + * We support ACL checks on client only if the protocol is * 9P2000.L and access is V9FS_ACCESS_CLIENT. */ v9ses->flags &=3D ~V9FS_ACL_MASK; @@ -669,7 +668,7 @@ static int __init init_v9fs(void) int err; =20 pr_info("Installing v9fs 9p2000 file system support\n"); - /* TODO: Setup list of registered trasnport modules */ + /* TODO: Setup list of registered transport modules */ =20 err =3D v9fs_init_inode_cache(); if (err < 0) { --=20 2.51.0 From nobody Wed Oct 1 22:26:35 2025 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 E6C43272E45; Fri, 26 Sep 2025 09:27:39 +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=1758878860; cv=none; b=cRRQyyL2tXPwKgleMMLKRPmCZU6R/qnRH9JNTs1Tv/OgJhswQR/Swu60iQ4bStFMBQsuR+ALkfoPUbIKk/TOGvYxlqwi0GTv/6ey/5bF0hCUP9P+W0MUQcm1/HrYZ8r38+T/LVOFDWt60FQ5dtKgMVhnOPr3zcPxPlm5NTfc/AU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758878860; c=relaxed/simple; bh=vprmR6X+cg45VMVYdEeSAxa+RAMJCkL0EYYKdgzaUhU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JhsoeubdltDpul2jMtmW+4OHAFi9zEgV/IqOuB1sYgpega+Cc2Tm4v8M/lmWEmL8M77OrNbfRNKKZcGxmWKAGJwSoO8Dl3z6IuopbZtSzsbcjF+Z9wBZ6psHGykXNcDteoPUpgK7qtdYXlrJ/H2lPcjl02slcDqSgAwnXXkq4dk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Hr41uY50; 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="Hr41uY50" Received: by smtp.kernel.org (Postfix) with ESMTPS id 882F6C113D0; Fri, 26 Sep 2025 09:27:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758878859; bh=vprmR6X+cg45VMVYdEeSAxa+RAMJCkL0EYYKdgzaUhU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Hr41uY50Vu58+MMNvGEASfqV1WkjpObYPWd3sropOP2zFf23ih/YPIIhY5YnODegh qT5E6qj+9QkQO07/MKfZIkkPlanxMUPHMfkwoWHk/65uvoYmz6AJ77pPzsZ3Y5SwQd Dr3OrP9ABFzkme7BE8ZboJaZsoZp6JgXbv5rggbKwxEv0q8Kh0jGx/a/g0OpN0rZEX oV9Yg1Ol342VLLeDyzOTZr0+hIPt+r4P9SHvguDz/+MiJ5UaoH7tZv35DAvYsQ+3bM Iv9UE1ezdPvythHmdbkXdJKYxl2GpvjU7H2MoJHjXMKjogLjvhf5GVl9/fHhxzl6+C 7a8fJ5zsSuofA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E6DECAC5BC; Fri, 26 Sep 2025 09:27:39 +0000 (UTC) From: Dominique Martinet via B4 Relay Date: Fri, 26 Sep 2025 18:27:30 +0900 Subject: [PATCH 2/3] 9p: fix /sys/fs/9p/caches overwriting itself 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: <20250926-v9fs_misc-v1-2-a8b3907fc04d@codewreck.org> References: <20250926-v9fs_misc-v1-0-a8b3907fc04d@codewreck.org> In-Reply-To: <20250926-v9fs_misc-v1-0-a8b3907fc04d@codewreck.org> To: "Randall P. 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Embry" caches_show() overwrote its buffer on each iteration, so only the last cache tag was visible in sysfs output. Properly append with snprintf(buf + count, =E2=80=A6). Signed-off-by: Randall P. Embry Signed-off-by: Dominique Martinet --- fs/9p/v9fs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 01e70a464b6039231df272e43b4ebdd3b5afb967..4d289c56578fb15e45d8e94a264= 977898973cb31 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -560,7 +560,7 @@ static ssize_t caches_show(struct kobject *kobj, spin_lock(&v9fs_sessionlist_lock); list_for_each_entry(v9ses, &v9fs_sessionlist, slist) { if (v9ses->cachetag) { - n =3D snprintf(buf, limit, "%s\n", v9ses->cachetag); + n =3D snprintf(buf + count, limit, "%s\n", v9ses->cachetag); if (n < 0) { count =3D n; break; --=20 2.51.0 From nobody Wed Oct 1 22:26:35 2025 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 E6BD6272814; Fri, 26 Sep 2025 09:27:39 +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=1758878860; cv=none; b=r6m680o5GCqm9truySclKabgnoLqqxs0zsFp8VT4Uy7T2OtyMMnDRU3pGkGWYrHEAgoFrZDP9Yg3hpzOQONPYWDEtqbh+ekKUJu3Y+SYeHe2RMAWSHoKLR6/+tHSQZ/EK3ocHKJDwkHbmyD9L/lJWt1DXBJRA6uIWYYY/u+wqiE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758878860; c=relaxed/simple; bh=7+xo7yY62YsZx/1cxiYO/JwV9VBbH7OcQ+0UJ6TV3og=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FN+/J9AYnaJMCaTq2pTsb0rbl+2I3Wshj5pHlbfHNywTdzSdVjsd4HaO2NKgfl+as5J1xD6G/iZuqI5IBPkkwNi4N7OVVUn77ECjzd2ZTCd3ica+LIHWaey0XbtDGQ5AChPFRfy+1cPT4jt9lHWAbqX2uYq/k5dsLTfbFOwPe04= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aC+EiBDe; 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="aC+EiBDe" Received: by smtp.kernel.org (Postfix) with ESMTPS id 94AC0C4CEF7; Fri, 26 Sep 2025 09:27:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758878859; bh=7+xo7yY62YsZx/1cxiYO/JwV9VBbH7OcQ+0UJ6TV3og=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=aC+EiBDeL9pBQkl/l2G1zexDs1gNBE6pq2qL921lSn7ou2fnjmx50BPPCua+LODtU FPwTmnWzHHsbXthY01wKoIHNH4gFDNpEniXe2aJTreDuq+0IB5JjJ/wEPp26BDpqHg 7ybAKELxzmIGMrVg81oZry085gdkmAb0K1T4xgs55z/8ZQulRDVBCwUKF8VhYs8hSk 1HxeEv0iEoC1YkMvrp1jrb02sVfHUqKC79nr7vQvyN6h/CR0XLTZcraz3ltlTPOcUD X87FKDjbQ+UDddzJYnHYfzsGY+b4foDxSx1t2plxJrzb8eHTjrR3f8ua1PB3p7ew6I y3sxXmRUEZXpA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CE67CAC5BE; Fri, 26 Sep 2025 09:27:39 +0000 (UTC) From: Dominique Martinet via B4 Relay Date: Fri, 26 Sep 2025 18:27:31 +0900 Subject: [PATCH 3/3] 9p: sysfs_init: don't hardcode error to ENOMEM 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: <20250926-v9fs_misc-v1-3-a8b3907fc04d@codewreck.org> References: <20250926-v9fs_misc-v1-0-a8b3907fc04d@codewreck.org> In-Reply-To: <20250926-v9fs_misc-v1-0-a8b3907fc04d@codewreck.org> To: "Randall P. 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Embry" v9fs_sysfs_init() always returned -ENOMEM on failure; return the actual sysfs_create_group() error instead. Signed-off-by: Randall P. Embry Signed-off-by: Dominique Martinet --- fs/9p/v9fs.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index 4d289c56578fb15e45d8e94a264977898973cb31..a020a8f00a1ac074e826a728c5a= 2b1ef09ec87fd 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -596,13 +596,16 @@ static const struct attribute_group v9fs_attr_group = =3D { =20 static int __init v9fs_sysfs_init(void) { + int ret; + v9fs_kobj =3D kobject_create_and_add("9p", fs_kobj); if (!v9fs_kobj) return -ENOMEM; =20 - if (sysfs_create_group(v9fs_kobj, &v9fs_attr_group)) { + ret =3D sysfs_create_group(v9fs_kobj, &v9fs_attr_group); + if (ret) { kobject_put(v9fs_kobj); - return -ENOMEM; + return ret; } =20 return 0; --=20 2.51.0