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batman-adv: support array of debugfs general attributes

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This patch adds support for an array of debugfs general (not soft_iface
specific) attributes. With this change it will be possible to add more general
attributes by simply appending them to the array without touching the rest of
the code.

Reported-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
This commit is contained in:
Antonio Quartulli 2012-10-16 10:04:39 +02:00
parent c76d15253a
commit 637fbd1294
1 changed files with 25 additions and 9 deletions
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34
net/batman-adv/debugfs.c
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@ -323,7 +323,17 @@ struct batadv_debuginfo batadv_debuginfo_##_name = { \
} \
};
/* the following attributes are general and therefore they will be directly
* placed in the BATADV_DEBUGFS_SUBDIR subdirectory of debugfs
*/
static BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open);
static struct batadv_debuginfo *batadv_general_debuginfos[] = {
&batadv_debuginfo_routing_algos,
NULL,
};
/* The following attributes are per soft interface */
static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open);
static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open);
static BATADV_DEBUGINFO(transtable_global, S_IRUGO,
@ -358,7 +368,7 @@ static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
void batadv_debugfs_init(void)
{
struct batadv_debuginfo *bat_debug;
struct batadv_debuginfo **bat_debug;
struct dentry *file;
batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
@ -366,17 +376,23 @@ void batadv_debugfs_init(void)
batadv_debugfs = NULL;
if (!batadv_debugfs)
goto out;
goto err;
bat_debug = &batadv_debuginfo_routing_algos;
file = debugfs_create_file(bat_debug->attr.name,
S_IFREG | bat_debug->attr.mode,
batadv_debugfs, NULL, &bat_debug->fops);
if (!file)
pr_err("Can't add debugfs file: %s\n", bat_debug->attr.name);
for (bat_debug = batadv_general_debuginfos; *bat_debug; ++bat_debug) {
file = debugfs_create_file(((*bat_debug)->attr).name,
S_IFREG | ((*bat_debug)->attr).mode,
batadv_debugfs, NULL,
&(*bat_debug)->fops);
if (!file) {
pr_err("Can't add general debugfs file: %s\n",
((*bat_debug)->attr).name);
goto err;
}
}
out:
return;
err:
debugfs_remove_recursive(batadv_debugfs);
}
void batadv_debugfs_destroy(void)