From: Adam J. Richter <[email protected]>
struct sysfs_dirent is private to the fs/sysfs/ subtree. It is
not even referenced as an opaque structure outside of that subtree.
The following patch moves the declaration from include/linux/sysfs.h to
fs/sysfs/sysfs.h, making it clearer that nothing else in the kernel
dereferences it.
I have been running this patch for years. Please integrate and forward
upstream if there are no objections.
From: "Adam J. Richter" <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
fs/sysfs/sysfs.h | 11 +++++++++++
include/linux/sysfs.h | 13 +------------
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index d976b00..a77c57e 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -1,3 +1,14 @@
+struct sysfs_dirent {
+ atomic_t s_count;
+ struct list_head s_sibling;
+ struct list_head s_children;
+ void * s_element;
+ int s_type;
+ umode_t s_mode;
+ struct dentry * s_dentry;
+ struct iattr * s_iattr;
+ atomic_t s_event;
+};
extern struct vfsmount * sysfs_mount;
extern struct kmem_cache *sysfs_dir_cachep;
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 192de3a..f07065c 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -17,6 +17,7 @@
struct kobject;
struct module;
struct nameidata;
+struct dentry;
struct attribute {
const char * name;
@@ -68,18 +69,6 @@ struct sysfs_ops {
ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
};
-struct sysfs_dirent {
- atomic_t s_count;
- struct list_head s_sibling;
- struct list_head s_children;
- void * s_element;
- int s_type;
- umode_t s_mode;
- struct dentry * s_dentry;
- struct iattr * s_iattr;
- atomic_t s_event;
-};
-
#define SYSFS_ROOT 0x0001
#define SYSFS_DIR 0x0002
#define SYSFS_KOBJ_ATTR 0x0004
--
1.5.0.1
-
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