From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/fs/incfs/main.c | 74 ++----------------------------------
1 files changed, 5 insertions(+), 69 deletions(-)
diff --git a/kernel/fs/incfs/main.c b/kernel/fs/incfs/main.c
index aac87b1..213faa5 100644
--- a/kernel/fs/incfs/main.c
+++ b/kernel/fs/incfs/main.c
@@ -8,9 +8,8 @@
#include <uapi/linux/incrementalfs.h>
+#include "sysfs.h"
#include "vfs.h"
-
-#define INCFS_NODE_FEATURES "features"
static struct file_system_type incfs_fs_type = {
.owner = THIS_MODULE,
@@ -20,88 +19,24 @@
.fs_flags = 0
};
-static struct kobject *sysfs_root, *featurefs_root;
-
-static ssize_t corefs_show(struct kobject *kobj,
- struct kobj_attribute *attr, char *buff)
-{
- return snprintf(buff, PAGE_SIZE, "supported\n");
-}
-
-static struct kobj_attribute corefs_attr = __ATTR_RO(corefs);
-
-static ssize_t mounter_context_for_backing_rw_show(struct kobject *kobj,
- struct kobj_attribute *attr, char *buff)
-{
- return snprintf(buff, PAGE_SIZE, "supported\n");
-}
-
-static struct kobj_attribute mounter_context_for_backing_rw_attr =
- __ATTR_RO(mounter_context_for_backing_rw);
-
-static struct attribute *attributes[] = {
- &corefs_attr.attr,
- &mounter_context_for_backing_rw_attr.attr,
- NULL,
-};
-
-static const struct attribute_group attr_group = {
- .attrs = attributes,
-};
-
-static int __init init_sysfs(void)
-{
- int res = 0;
-
- sysfs_root = kobject_create_and_add(INCFS_NAME, fs_kobj);
- if (!sysfs_root)
- return -ENOMEM;
-
- featurefs_root = kobject_create_and_add(INCFS_NODE_FEATURES,
- sysfs_root);
- if (!featurefs_root)
- return -ENOMEM;
-
- res = sysfs_create_group(featurefs_root, &attr_group);
- if (res) {
- kobject_put(sysfs_root);
- sysfs_root = NULL;
- }
- return res;
-}
-
-static void cleanup_sysfs(void)
-{
- if (featurefs_root) {
- sysfs_remove_group(featurefs_root, &attr_group);
- kobject_put(featurefs_root);
- featurefs_root = NULL;
- }
-
- if (sysfs_root) {
- kobject_put(sysfs_root);
- sysfs_root = NULL;
- }
-}
-
static int __init init_incfs_module(void)
{
int err = 0;
- err = init_sysfs();
+ err = incfs_init_sysfs();
if (err)
return err;
err = register_filesystem(&incfs_fs_type);
if (err)
- cleanup_sysfs();
+ incfs_cleanup_sysfs();
return err;
}
static void __exit cleanup_incfs_module(void)
{
- cleanup_sysfs();
+ incfs_cleanup_sysfs();
unregister_filesystem(&incfs_fs_type);
}
@@ -109,5 +44,6 @@
module_exit(cleanup_incfs_module);
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(ANDROID_GKI_VFS_EXPORT_ONLY);
MODULE_AUTHOR("Eugene Zemtsov <ezemtsov@google.com>");
MODULE_DESCRIPTION("Incremental File System");
--
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