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-rw-r--r--fs/sysfs/dir.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 2fea501889e7..f1efe3df0de6 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -21,23 +21,23 @@ DEFINE_SPINLOCK(sysfs_symlink_target_lock);
/**
* sysfs_pathname - return full path to sysfs dirent
- * @sd: sysfs_dirent whose path we want
+ * @kn: kernfs_node whose path we want
* @path: caller allocated buffer of size PATH_MAX
*
* Gives the name "/" to the sysfs_root entry; any path returned
* is relative to wherever sysfs is mounted.
*/
-static char *sysfs_pathname(struct sysfs_dirent *sd, char *path)
+static char *sysfs_pathname(struct kernfs_node *kn, char *path)
{
- if (sd->s_parent) {
- sysfs_pathname(sd->s_parent, path);
+ if (kn->s_parent) {
+ sysfs_pathname(kn->s_parent, path);
strlcat(path, "/", PATH_MAX);
}
- strlcat(path, sd->s_name, PATH_MAX);
+ strlcat(path, kn->s_name, PATH_MAX);
return path;
}
-void sysfs_warn_dup(struct sysfs_dirent *parent, const char *name)
+void sysfs_warn_dup(struct kernfs_node *parent, const char *name)
{
char *path;
@@ -61,26 +61,26 @@ void sysfs_warn_dup(struct sysfs_dirent *parent, const char *name)
*/
int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
{
- struct sysfs_dirent *parent_sd, *sd;
+ struct kernfs_node *parent, *kn;
BUG_ON(!kobj);
if (kobj->parent)
- parent_sd = kobj->parent->sd;
+ parent = kobj->parent->sd;
else
- parent_sd = sysfs_root_sd;
+ parent = sysfs_root_kn;
- if (!parent_sd)
+ if (!parent)
return -ENOENT;
- sd = kernfs_create_dir_ns(parent_sd, kobject_name(kobj), kobj, ns);
- if (IS_ERR(sd)) {
- if (PTR_ERR(sd) == -EEXIST)
- sysfs_warn_dup(parent_sd, kobject_name(kobj));
- return PTR_ERR(sd);
+ kn = kernfs_create_dir_ns(parent, kobject_name(kobj), kobj, ns);
+ if (IS_ERR(kn)) {
+ if (PTR_ERR(kn) == -EEXIST)
+ sysfs_warn_dup(parent, kobject_name(kobj));
+ return PTR_ERR(kn);
}
- kobj->sd = sd;
+ kobj->sd = kn;
return 0;
}
@@ -94,47 +94,47 @@ int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
*/
void sysfs_remove_dir(struct kobject *kobj)
{
- struct sysfs_dirent *sd = kobj->sd;
+ struct kernfs_node *kn = kobj->sd;
/*
* In general, kboject owner is responsible for ensuring removal
* doesn't race with other operations and sysfs doesn't provide any
* protection; however, when @kobj is used as a symlink target, the
* symlinking entity usually doesn't own @kobj and thus has no
- * control over removal. @kobj->sd may be removed anytime and
- * symlink code may end up dereferencing an already freed sd.
+ * control over removal. @kobj->sd may be removed anytime
+ * and symlink code may end up dereferencing an already freed node.
*
- * sysfs_symlink_target_lock synchronizes @kobj->sd disassociation
- * against symlink operations so that symlink code can safely
- * dereference @kobj->sd.
+ * sysfs_symlink_target_lock synchronizes @kobj->sd
+ * disassociation against symlink operations so that symlink code
+ * can safely dereference @kobj->sd.
*/
spin_lock(&sysfs_symlink_target_lock);
kobj->sd = NULL;
spin_unlock(&sysfs_symlink_target_lock);
- if (sd) {
- WARN_ON_ONCE(sysfs_type(sd) != SYSFS_DIR);
- kernfs_remove(sd);
+ if (kn) {
+ WARN_ON_ONCE(sysfs_type(kn) != SYSFS_DIR);
+ kernfs_remove(kn);
}
}
int sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name,
const void *new_ns)
{
- struct sysfs_dirent *parent_sd = kobj->sd->s_parent;
+ struct kernfs_node *parent = kobj->sd->s_parent;
- return kernfs_rename_ns(kobj->sd, parent_sd, new_name, new_ns);
+ return kernfs_rename_ns(kobj->sd, parent, new_name, new_ns);
}
int sysfs_move_dir_ns(struct kobject *kobj, struct kobject *new_parent_kobj,
const void *new_ns)
{
- struct sysfs_dirent *sd = kobj->sd;
- struct sysfs_dirent *new_parent_sd;
+ struct kernfs_node *kn = kobj->sd;
+ struct kernfs_node *new_parent;
- BUG_ON(!sd->s_parent);
- new_parent_sd = new_parent_kobj && new_parent_kobj->sd ?
- new_parent_kobj->sd : sysfs_root_sd;
+ BUG_ON(!kn->s_parent);
+ new_parent = new_parent_kobj && new_parent_kobj->sd ?
+ new_parent_kobj->sd : sysfs_root_kn;
- return kernfs_rename_ns(sd, new_parent_sd, sd->s_name, new_ns);
+ return kernfs_rename_ns(kn, new_parent, kn->s_name, new_ns);
}