linux-kernel - Re: [PATCH 2/6] eventfsfs: initialize the tracefs inode properly

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Date: Tue, 30 Jan 2024 14:49:28 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] eventfsfs: initialize the tracefs inode properly

On Tue, 30 Jan 2024 11:03:51 -0800
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> @@ -328,7 +328,9 @@ static struct dentry *create_file(const char *name, umode_t mode,
>  	inode->i_ino = EVENTFS_FILE_INODE_INO;
>  
>  	ti = get_tracefs(inode);
> -	ti->flags |= TRACEFS_EVENT_INODE;
> +	ti->flags = TRACEFS_EVENT_INODE;
> +	ti->private = NULL;			// Directories have 'ei', files not

Although ti->private does need to be initialized here.

-- Steve

> +
>  	d_instantiate(dentry, inode);
>  	fsnotify_create(dentry->d_parent->d_inode, dentry);
>  	return eventfs_end_creating(dentry);