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Subject[RFC][PATCH] fs: configfs: allow other kernel parts to programmatically create config groups
Date
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
fs/configfs/dir.c | 5 +++--
include/linux/configfs.h | 2 ++
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 7414ae2..42608dc 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -656,7 +656,7 @@ static void detach_groups(struct config_group *group)
* We could, perhaps, tweak our parent's ->mkdir for a minute and
* try using vfs_mkdir. Just a thought.
*/
-static int create_default_group(struct config_group *parent_group,
+int create_group(struct config_group *parent_group,
struct config_group *group)
{
int ret;
@@ -690,6 +690,7 @@ static int create_default_group(struct config_group *parent_group,

return ret;
}
+EXPORT_SYMBOL(create_group);

static int populate_groups(struct config_group *group)
{
@@ -701,7 +702,7 @@ static int populate_groups(struct config_group *group)
for (i = 0; group->default_groups[i]; i++) {
new_group = group->default_groups[i];

- ret = create_default_group(group, new_group);
+ ret = create_group(group, new_group);
if (ret) {
detach_groups(group);
break;
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index 34025df..8bf295f 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -252,6 +252,8 @@ static inline struct configfs_subsystem *to_configfs_subsystem(struct config_gro
int configfs_register_subsystem(struct configfs_subsystem *subsys);
void configfs_unregister_subsystem(struct configfs_subsystem *subsys);

+int create_group(struct config_group *parent_group, struct config_group *group);
+
/* These functions can sleep and can alloc with GFP_KERNEL */
/* WARNING: These cannot be called underneath configfs callbacks!! */
int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target);
--
1.7.0.4


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