aboutsummaryrefslogtreecommitdiff
path: root/include/linux/kernfs.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/kernfs.h')
-rw-r--r--include/linux/kernfs.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index c8893f663470..936b61bd504e 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* kernfs.h - pseudo filesystem decoupled from vfs locking
- *
- * This file is released under the GPLv2.
*/
#ifndef __LINUX_KERNFS_H
@@ -64,7 +63,7 @@ enum kernfs_root_flag {
KERNFS_ROOT_CREATE_DEACTIVATED = 0x0001,
/*
- * For regular flies, if the opener has CAP_DAC_OVERRIDE, open(2)
+ * For regular files, if the opener has CAP_DAC_OVERRIDE, open(2)
* succeeds regardless of the RW permissions. sysfs had an extra
* layer of enforcement where open(2) fails with -EACCES regardless
* of CAP_DAC_OVERRIDE if the permission doesn't have the
@@ -371,6 +370,11 @@ __poll_t kernfs_generic_poll(struct kernfs_open_file *of,
struct poll_table_struct *pt);
void kernfs_notify(struct kernfs_node *kn);
+int kernfs_xattr_get(struct kernfs_node *kn, const char *name,
+ void *value, size_t size);
+int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
+ const void *value, size_t size, int flags);
+
const void *kernfs_super_ns(struct super_block *sb);
int kernfs_get_tree(struct fs_context *fc);
void kernfs_free_fs_context(struct fs_context *fc);
@@ -473,6 +477,14 @@ static inline int kernfs_setattr(struct kernfs_node *kn,
static inline void kernfs_notify(struct kernfs_node *kn) { }
+static inline int kernfs_xattr_get(struct kernfs_node *kn, const char *name,
+ void *value, size_t size)
+{ return -ENOSYS; }
+
+static inline int kernfs_xattr_set(struct kernfs_node *kn, const char *name,
+ const void *value, size_t size, int flags)
+{ return -ENOSYS; }
+
static inline const void *kernfs_super_ns(struct super_block *sb)
{ return NULL; }