linux-kernel - Re: [PATCH v3 02/10] eventfs: introducing struct tracefs

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Date:   Sat, 1 Jul 2023 09:25:02 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Ajay Kaher <akaher@...are.com>
Cc:     mhiramat@...nel.org, shuah@...nel.org,
        linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, chinglinyu@...gle.com,
        namit@...are.com, srivatsa@...il.mit.edu, amakhalov@...are.com,
        vsirnapalli@...are.com, tkundu@...are.com, er.ajay.kaher@...il.com
Subject: Re: [PATCH v3 02/10] eventfs: introducing struct tracefs_inode

On Thu,  1 Jun 2023 14:30:05 +0530
Ajay Kaher <akaher@...are.com> wrote:

> Introduce tracefs_inode structure, this will help eventfs
> to keep track of inode, flags and pointer to private date.
> 
> Rename function names and remove the static qualifier for
> functions that should be exposed.

We should probably break this patch up into two. Or at least remove the
static functions and make them non static whet they are needed.
> 
> Signed-off-by: Ajay Kaher <akaher@...are.com>
> Co-developed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
> Signed-off-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
> Tested-by: Ching-lin Yu <chinglinyu@...gle.com>
> ---
>  fs/tracefs/inode.c    | 21 +++++++++++----------
>  fs/tracefs/internal.h | 25 +++++++++++++++++++++++++
>  2 files changed, 36 insertions(+), 10 deletions(-)
>  create mode 100644 fs/tracefs/internal.h
> 

[..]

> diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h
> new file mode 100644
> index 000000000..6776b4693
> --- /dev/null
> +++ b/fs/tracefs/internal.h
> @@ -0,0 +1,25 @@
> +#ifndef _TRACEFS_INTERNAL_H
> +#define _TRACEFS_INTERNAL_H
> +
> +enum {
> +	TRACEFS_EVENT_INODE     = BIT(1),
> +};
> +
> +struct tracefs_inode {
> +	unsigned long           flags;
> +	void                    *private;
> +	struct inode            vfs_inode;
> +};
> +
> +static inline struct tracefs_inode *get_tracefs(const struct inode
> *inode) +{
> +	return container_of(inode, struct tracefs_inode, vfs_inode);
> +}
> +
> +struct dentry *tracefs_start_creating(const char *name, struct
> dentry *parent); +struct dentry *tracefs_end_creating(struct dentry
> *dentry); +struct dentry *tracefs_failed_creating(struct dentry
> *dentry); +struct inode *tracefs_get_inode(struct super_block *sb);
> +
> +#endif /* _TRACEFS_INTERNAL_H */

> +

git complains about the above extra line.

-- Steve