Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [Suspend2][ 6/7] [Suspend2] Register and remove proc file functions. | Date | Tue, 27 Jun 2006 02:47:50 +1000 |
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Functions to add and remove a Suspend2 proc file entry.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/proc.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/kernel/power/proc.c b/kernel/power/proc.c index dad818f..9722377 100644 --- a/kernel/power/proc.c +++ b/kernel/power/proc.c @@ -281,3 +281,47 @@ static void suspend_initialise_proc(void suspend_register_procfile(&proc_params[i]); } +/* suspend_register_procfile + * + * Helper for registering a new /proc/suspend2 entry. + */ + +struct proc_dir_entry *suspend_register_procfile( + struct suspend_proc_data *suspend_proc_data) +{ + struct proc_dir_entry *new_entry; + + if (!suspend_proc_initialised) + suspend_initialise_proc(); + + new_entry = create_proc_entry( + suspend_proc_data->filename, + suspend_proc_data->permissions, + suspend_dir); + if (new_entry) { + list_add_tail(&suspend_proc_data->proc_data_list, &suspend_proc_entries); + new_entry->read_proc = suspend_read_proc; + new_entry->write_proc = suspend_write_proc; + new_entry->data = suspend_proc_data; + } else { + printk("Error! create_proc_entry returned NULL.\n"); + INIT_LIST_HEAD(&suspend_proc_data->proc_data_list); + } + return new_entry; +} + +/* suspend_unregister_procfile + * + * Helper for removing unwanted /proc/suspend2 entries. + * + */ +void suspend_unregister_procfile(struct suspend_proc_data *suspend_proc_data) +{ + if (list_empty(&suspend_proc_data->proc_data_list)) + return; + + remove_proc_entry( + suspend_proc_data->filename, + suspend_dir); + list_del(&suspend_proc_data->proc_data_list); +} -- Nigel Cunningham nigel at suspend2 dot net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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