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

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Message-ID: <20240130145655.073ff344@gandalf.local.home>
Date: Tue, 30 Jan 2024 14:56:55 -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 14:48:02 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:
 
> The ti is allocated from fs/tracefs/inode.c that has:
> 
> static struct inode *tracefs_alloc_inode(struct super_block *sb)
> {
> 	struct tracefs_inode *ti;
> 
> 	ti = kmem_cache_alloc(tracefs_inode_cachep, GFP_KERNEL);

I could also just add __GFP_ZERO so that all of it is initialized to zero,
and then we don't need to assign NULL to any part of it.

-- Steve


> 	if (!ti)
> 		return NULL;
> 
> 	ti->flags = 0;
> 
> 	return &ti->vfs_inode;
> }
> 
>