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SubjectRe: [RFC Patch 1/1] debugfs_printk and debugfs_dump interface
K. Prasad wrote:

> This patch introduces two new interfaces called debugfs_printk and
> debugfs_dump which can be used to print to the debugfs mount directly.
> It uses the 'trace' infrastructure underneath and is a patch over it.
> A sample file is also created to demonstrate its ease of use.
>
> Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com>
> ---
> Documentation/trace.txt | 21 ++++
> include/linux/trace.h | 55 +++++++++++
> lib/trace.c | 193 +++++++++++++++++++++++++++++++++++++++--
> samples/trace/Makefile | 2
> samples/trace/fork_new_trace.c | 97 ++++++++++++++++++++
> 5 files changed, 362 insertions(+), 6 deletions(-)

> +
> +/**
> + * debugfs_printk - Output binary into debugfs mount 'directly' using 'trace'

Oops. This is the debugfs_dump() function.

Otherwise it looks good. Thanks.

> + * @dpk: Structure containing info such as parent_dir and directory
> + * @output: Data that needs to be output
> + * @output_len: Length of the output data
> + */
> +int debugfs_dump(struct debugfs_printk_data *dpk, const void *output,
> + const int output_len)
> +{


--
~Randy


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