On Thursday, November 29, 2012 5:41 PM Sebastian Andrzej Siewior wrote:
> Subject: [PATCH] fs/configfs: allow to create groups on demand
>
> This patch adds a function add a group to an existing one and its
> counterart. The newly created group behaves as it would be created via
> default_groups[] which means the user can't rmdir it.
> This should be used by the upcomming USB gadget interface in order to
> add the currently available UDCs as a child of the UDC node. The UDC
> itself will appear once the hardware driver is loaded and can appear
> later.
Yeah, this mode of operation will be required.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---
> fs/configfs/dir.c | 63 ++++++++++++++++++++++++++++++++++-------
> -----
> include/linux/configfs.h | 4 +++
> 2 files changed, 51 insertions(+), 16 deletions(-)
>
> diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
> index 7414ae2..50ee2bd 100644
> --- a/fs/configfs/dir.c
> +++ b/fs/configfs/dir.c
> @@ -1663,19 +1663,13 @@ const struct file_operations
> configfs_dir_operations = {
> .readdir = configfs_readdir,
> };
>
> -int configfs_register_subsystem(struct configfs_subsystem *subsys)
> +static int __create_group(struct config_group *group, struct dentry
*root)
> {
Can __create_group be also used in create_default_group?
Andrzej
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