On Thu, Feb 14, 2013 at 12:56:49PM +0100, Eric Bénard wrote:
> - heavily copied from register_persistant_environment which was
> Signed-off-by: Juergen Beisert <[email protected]>
>
> Signed-off-by: Eric Bénard <[email protected]>
> ---
> common/environment.c | 40 ++++++++++++++++++++++++++++++++++++++++
> include/environment.h | 1 +
Please move the prototype to include/envfs.h. include/environment.h has
stuff for shell environment variables only.
> 2 files changed, 41 insertions(+)
>
> diff --git a/common/environment.c b/common/environment.c
> index e8d623f..55befd9 100644
> --- a/common/environment.c
> +++ b/common/environment.c
> @@ -363,3 +363,43 @@ out:
> free(buf_free);
> return ret;
> }
> +
> +#ifdef __BAREBOX__
> +/**
> + * Try to register an environment storage on a device's partition
> + * @return 0 on success
> + *
> + * We rely on the existence of a usable storage device, already attached to
> + * our system, to get something like a persistent memory for our environment.
> + * We need to specify the partition number to use on this device.
> + * @param[in] devname Name of the device
> + * @param[in] partnr Partition number
> + * @return 0 on success, anything else in case of failure
> + */
> +
> +int register_persistent_environment(const char *devname, unsigned int partnr)
I think envfs_register_partition would be a better name.
> +{
> + struct cdev *cdev;
> + char *partname;
> +
> + if (!devname)
> + return -EINVAL;
> +
> + cdev = cdev_by_name(devname);
> + if (cdev == NULL) {
> + pr_err("No %s present\n", devname);
> + return -ENODEV;
> + }
> + partname = asprintf("%s.%d", devname, partnr);
free partname?
Sascha
> + cdev = cdev_by_name(partname);
> + if (cdev == NULL) {
> + pr_err("No %s partition available\n", partname);
> + pr_info("Please create the partition %s to store the env\n",
> partname);
> + return -ENODEV;
> + }
> +
> + return devfs_add_partition(partname, 0, cdev->size,
> + DEVFS_PARTITION_FIXED, "env0");
> +}
> +EXPORT_SYMBOL(register_persistent_environment);
> +#endif
> diff --git a/include/environment.h b/include/environment.h
> index 7bdd213..d172f8f 100644
> --- a/include/environment.h
> +++ b/include/environment.h
> @@ -71,6 +71,7 @@ int env_pop_context(void);
> int env_push_context(void);
>
> int export(const char *);
> +int register_persistent_environment(const char *devname, unsigned int
> partnr);
>
> #endif /* _ENVIRONMENT_H_ */
>
> --
> 1.7.11.7
>
>
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