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 C861D12B9C; Sat, 3 Feb 2024 04:14:34 +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=1706933674; cv=none; b=dAmxYLunu9k/eq9FXogsdXuveM+qKNBVvyWDYKKDUAC8ekV4VA7rb+btHjyxJst+5wOoHZlF2rXCwjMHS86Ljx6dLrwoGEGcNyHUtprbwKbIHLtJbUG9rBoyGRH34dSKEv1LLtBWjBNjK5IhL0njzD2GsUjRPKlW+HC1Vf2vRdQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706933674; c=relaxed/simple; bh=0VMOBfnAIjkG+vtb8kO8dzVZvSKz9695JrKeBWWlVBc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=raTBzvMObmsba2ktKWCzuW+ZpAmULqGIbd6yunvS32b8nZLU5iPMZxUSNb4yDGOQcoTMaDu3JghoRUPDvqhNiFhy1Oh5YH3aOKRilAZBHHfQxl1ZKeOPAVT+lP3MR98TGQb1M7KDj/Zer2OxbYPb/FyCV0oQHFr4S5wmh8aLtBY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zIC82qJh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zIC82qJh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89350C43399; Sat, 3 Feb 2024 04:14:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1706933674; bh=0VMOBfnAIjkG+vtb8kO8dzVZvSKz9695JrKeBWWlVBc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zIC82qJhmMz5UMCv8WOzKKPCvBifNuNcMtt2VMDRUUzlDIjXH4AeTs689LbEmjiTk +9LjLcp4v7vhkkwU3zuTrfMYLWiK750LTrRCyEUJVMjrdB3mTjW0O1Red4y7eveBIU 91i1OcsPe7MUURNKw2VfQcZSm+65cXiGATEbclNk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marc Dionne , David Howells , Dominique Martinet , Eric Van Hensbergen , Latchesar Ionkov , Christian Schoenebeck , v9fs@lists.linux.dev, linux-cachefs@redhat.com, linux-fsdevel@vger.kernel.org, Sasha Levin Subject: [PATCH 6.6 242/322] 9p: Fix initialisation of netfs_inode for 9p Date: Fri, 2 Feb 2024 20:05:39 -0800 Message-ID: <20240203035406.997024446@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240203035359.041730947@linuxfoundation.org> References: <20240203035359.041730947@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Howells [ Upstream commit 9546ac78b232bac56ff975072b1965e0e755ebd4 ] The 9p filesystem is calling netfs_inode_init() in v9fs_init_inode() - before the struct inode fields have been initialised from the obtained file stats (ie. after v9fs_stat2inode*() has been called), but netfslib wants to set a couple of its fields from i_size. Reported-by: Marc Dionne Signed-off-by: David Howells Tested-by: Marc Dionne Tested-by: Dominique Martinet Acked-by: Dominique Martinet cc: Eric Van Hensbergen cc: Latchesar Ionkov cc: Dominique Martinet cc: Christian Schoenebeck cc: v9fs@lists.linux.dev cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org Signed-off-by: Sasha Levin --- fs/9p/v9fs_vfs.h | 1 + fs/9p/vfs_inode.c | 6 +++--- fs/9p/vfs_inode_dotl.c | 1 + 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h index cdf441f22e07..dcce42d55d68 100644 --- a/fs/9p/v9fs_vfs.h +++ b/fs/9p/v9fs_vfs.h @@ -42,6 +42,7 @@ struct inode *v9fs_alloc_inode(struct super_block *sb); void v9fs_free_inode(struct inode *inode); struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev); +void v9fs_set_netfs_context(struct inode *inode); int v9fs_init_inode(struct v9fs_session_info *v9ses, struct inode *inode, umode_t mode, dev_t rdev); void v9fs_evict_inode(struct inode *inode); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 0d28ecf668d0..ea695c4a7a3f 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -246,7 +246,7 @@ void v9fs_free_inode(struct inode *inode) /* * Set parameters for the netfs library */ -static void v9fs_set_netfs_context(struct inode *inode) +void v9fs_set_netfs_context(struct inode *inode) { struct v9fs_inode *v9inode = V9FS_I(inode); netfs_inode_init(&v9inode->netfs, &v9fs_req_ops); @@ -326,8 +326,6 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses, err = -EINVAL; goto error; } - - v9fs_set_netfs_context(inode); error: return err; @@ -359,6 +357,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev) iput(inode); return ERR_PTR(err); } + v9fs_set_netfs_context(inode); return inode; } @@ -464,6 +463,7 @@ static struct inode *v9fs_qid_iget(struct super_block *sb, goto error; v9fs_stat2inode(st, inode, sb, 0); + v9fs_set_netfs_context(inode); v9fs_cache_inode_get_cookie(inode); unlock_new_inode(inode); return inode; diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 1312f68965ac..91bcee2ab3c4 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -128,6 +128,7 @@ static struct inode *v9fs_qid_iget_dotl(struct super_block *sb, goto error; v9fs_stat2inode_dotl(st, inode, 0); + v9fs_set_netfs_context(inode); v9fs_cache_inode_get_cookie(inode); retval = v9fs_get_acl(inode, fid); if (retval) -- 2.43.0