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authorJames Morris <james.morris@microsoft.com>2018-09-04 21:35:54 +0300
committerJames Morris <james.morris@microsoft.com>2018-09-04 21:35:54 +0300
commite42f6f9be4f83c537aa81b4c6239ea94ff5b29ce (patch)
treef956a5ea0e83fc6d0df3e64681e7bbc1f201f3ee /include/linux/sysfs.h
parent4408e300a67ab2ce2505087986a9fe922c800ffd (diff)
parent57361846b52bc686112da6ca5368d11210796804 (diff)
downloadlinux-e42f6f9be4f83c537aa81b4c6239ea94ff5b29ce.tar.xz
Merge tag 'v4.19-rc2' into next-general
Sync to Linux 4.19-rc2 for downstream developers.
Diffstat (limited to 'include/linux/sysfs.h')
-rw-r--r--include/linux/sysfs.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index b8bfdc173ec0..987cefa337de 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -91,9 +91,9 @@ struct attribute_group {
struct bin_attribute **bin_attrs;
};
-/**
- * Use these macros to make defining attributes easier. See include/linux/device.h
- * for examples..
+/*
+ * Use these macros to make defining attributes easier.
+ * See include/linux/device.h for examples..
*/
#define SYSFS_PREALLOC 010000
@@ -237,6 +237,9 @@ int __must_check sysfs_create_files(struct kobject *kobj,
const struct attribute **attr);
int __must_check sysfs_chmod_file(struct kobject *kobj,
const struct attribute *attr, umode_t mode);
+struct kernfs_node *sysfs_break_active_protection(struct kobject *kobj,
+ const struct attribute *attr);
+void sysfs_unbreak_active_protection(struct kernfs_node *kn);
void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
const void *ns);
bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr);
@@ -350,6 +353,17 @@ static inline int sysfs_chmod_file(struct kobject *kobj,
return 0;
}
+static inline struct kernfs_node *
+sysfs_break_active_protection(struct kobject *kobj,
+ const struct attribute *attr)
+{
+ return NULL;
+}
+
+static inline void sysfs_unbreak_active_protection(struct kernfs_node *kn)
+{
+}
+
static inline void sysfs_remove_file_ns(struct kobject *kobj,
const struct attribute *attr,
const void *ns)