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Diffstat (limited to 'fs/sysfs/file.c')
-rw-r--r--fs/sysfs/file.c122
1 files changed, 61 insertions, 61 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index a67d1c682fed..be1cc39035bd 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -22,15 +22,15 @@
#include "../kernfs/kernfs-internal.h"
/*
- * Determine ktype->sysfs_ops for the given sysfs_dirent. This function
+ * Determine ktype->sysfs_ops for the given kernfs_node. This function
* must be called while holding an active reference.
*/
-static const struct sysfs_ops *sysfs_file_ops(struct sysfs_dirent *sd)
+static const struct sysfs_ops *sysfs_file_ops(struct kernfs_node *kn)
{
- struct kobject *kobj = sd->s_parent->priv;
+ struct kobject *kobj = kn->s_parent->priv;
- if (sd->s_flags & SYSFS_FLAG_LOCKDEP)
- lockdep_assert_held(sd);
+ if (kn->s_flags & SYSFS_FLAG_LOCKDEP)
+ lockdep_assert_held(kn);
return kobj->ktype ? kobj->ktype->sysfs_ops : NULL;
}
@@ -42,8 +42,8 @@ static const struct sysfs_ops *sysfs_file_ops(struct sysfs_dirent *sd)
static int sysfs_kf_seq_show(struct seq_file *sf, void *v)
{
struct sysfs_open_file *of = sf->private;
- struct kobject *kobj = of->sd->s_parent->priv;
- const struct sysfs_ops *ops = sysfs_file_ops(of->sd);
+ struct kobject *kobj = of->kn->s_parent->priv;
+ const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
ssize_t count;
char *buf;
@@ -59,7 +59,7 @@ static int sysfs_kf_seq_show(struct seq_file *sf, void *v)
* if @ops->show() isn't implemented.
*/
if (ops->show) {
- count = ops->show(kobj, of->sd->priv, buf);
+ count = ops->show(kobj, of->kn->priv, buf);
if (count < 0)
return count;
}
@@ -81,8 +81,8 @@ static int sysfs_kf_seq_show(struct seq_file *sf, void *v)
static ssize_t sysfs_kf_bin_read(struct sysfs_open_file *of, char *buf,
size_t count, loff_t pos)
{
- struct bin_attribute *battr = of->sd->priv;
- struct kobject *kobj = of->sd->s_parent->priv;
+ struct bin_attribute *battr = of->kn->priv;
+ struct kobject *kobj = of->kn->s_parent->priv;
loff_t size = file_inode(of->file)->i_size;
if (!count)
@@ -105,21 +105,21 @@ static ssize_t sysfs_kf_bin_read(struct sysfs_open_file *of, char *buf,
static ssize_t sysfs_kf_write(struct sysfs_open_file *of, char *buf,
size_t count, loff_t pos)
{
- const struct sysfs_ops *ops = sysfs_file_ops(of->sd);
- struct kobject *kobj = of->sd->s_parent->priv;
+ const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
+ struct kobject *kobj = of->kn->s_parent->priv;
if (!count)
return 0;
- return ops->store(kobj, of->sd->priv, buf, count);
+ return ops->store(kobj, of->kn->priv, buf, count);
}
/* kernfs write callback for bin sysfs files */
static ssize_t sysfs_kf_bin_write(struct sysfs_open_file *of, char *buf,
size_t count, loff_t pos)
{
- struct bin_attribute *battr = of->sd->priv;
- struct kobject *kobj = of->sd->s_parent->priv;
+ struct bin_attribute *battr = of->kn->priv;
+ struct kobject *kobj = of->kn->s_parent->priv;
loff_t size = file_inode(of->file)->i_size;
if (size) {
@@ -139,30 +139,30 @@ static ssize_t sysfs_kf_bin_write(struct sysfs_open_file *of, char *buf,
static int sysfs_kf_bin_mmap(struct sysfs_open_file *of,
struct vm_area_struct *vma)
{
- struct bin_attribute *battr = of->sd->priv;
- struct kobject *kobj = of->sd->s_parent->priv;
+ struct bin_attribute *battr = of->kn->priv;
+ struct kobject *kobj = of->kn->s_parent->priv;
return battr->mmap(of->file, kobj, battr, vma);
}
-void sysfs_notify(struct kobject *k, const char *dir, const char *attr)
+void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr)
{
- struct sysfs_dirent *sd = k->sd, *tmp;
+ struct kernfs_node *kn = kobj->sd, *tmp;
- if (sd && dir)
- sd = kernfs_find_and_get(sd, dir);
+ if (kn && dir)
+ kn = kernfs_find_and_get(kn, dir);
else
- kernfs_get(sd);
+ kernfs_get(kn);
- if (sd && attr) {
- tmp = kernfs_find_and_get(sd, attr);
- kernfs_put(sd);
- sd = tmp;
+ if (kn && attr) {
+ tmp = kernfs_find_and_get(kn, attr);
+ kernfs_put(kn);
+ kn = tmp;
}
- if (sd) {
- kernfs_notify(sd);
- kernfs_put(sd);
+ if (kn) {
+ kernfs_notify(kn);
+ kernfs_put(kn);
}
}
EXPORT_SYMBOL_GPL(sysfs_notify);
@@ -202,17 +202,17 @@ static const struct kernfs_ops sysfs_bin_kfops_mmap = {
.mmap = sysfs_kf_bin_mmap,
};
-int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
+int sysfs_add_file_mode_ns(struct kernfs_node *parent,
const struct attribute *attr, bool is_bin,
umode_t mode, const void *ns)
{
struct lock_class_key *key = NULL;
const struct kernfs_ops *ops;
- struct sysfs_dirent *sd;
+ struct kernfs_node *kn;
loff_t size;
if (!is_bin) {
- struct kobject *kobj = dir_sd->priv;
+ struct kobject *kobj = parent->priv;
const struct sysfs_ops *sysfs_ops = kobj->ktype->sysfs_ops;
/* every kobject with an attribute needs a ktype assigned */
@@ -252,20 +252,20 @@ int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
if (!attr->ignore_lockdep)
key = attr->key ?: (struct lock_class_key *)&attr->skey;
#endif
- sd = kernfs_create_file_ns_key(dir_sd, attr->name, mode, size,
+ kn = kernfs_create_file_ns_key(parent, attr->name, mode, size,
ops, (void *)attr, ns, key);
- if (IS_ERR(sd)) {
- if (PTR_ERR(sd) == -EEXIST)
- sysfs_warn_dup(dir_sd, attr->name);
- return PTR_ERR(sd);
+ if (IS_ERR(kn)) {
+ if (PTR_ERR(kn) == -EEXIST)
+ sysfs_warn_dup(parent, attr->name);
+ return PTR_ERR(kn);
}
return 0;
}
-int sysfs_add_file(struct sysfs_dirent *dir_sd, const struct attribute *attr,
+int sysfs_add_file(struct kernfs_node *parent, const struct attribute *attr,
bool is_bin)
{
- return sysfs_add_file_mode_ns(dir_sd, attr, is_bin, attr->mode, NULL);
+ return sysfs_add_file_mode_ns(parent, attr, is_bin, attr->mode, NULL);
}
/**
@@ -307,21 +307,21 @@ EXPORT_SYMBOL_GPL(sysfs_create_files);
int sysfs_add_file_to_group(struct kobject *kobj,
const struct attribute *attr, const char *group)
{
- struct sysfs_dirent *dir_sd;
+ struct kernfs_node *parent;
int error;
if (group) {
- dir_sd = kernfs_find_and_get(kobj->sd, group);
+ parent = kernfs_find_and_get(kobj->sd, group);
} else {
- dir_sd = kobj->sd;
- kernfs_get(dir_sd);
+ parent = kobj->sd;
+ kernfs_get(parent);
}
- if (!dir_sd)
+ if (!parent)
return -ENOENT;
- error = sysfs_add_file(dir_sd, attr, false);
- kernfs_put(dir_sd);
+ error = sysfs_add_file(parent, attr, false);
+ kernfs_put(parent);
return error;
}
@@ -337,20 +337,20 @@ EXPORT_SYMBOL_GPL(sysfs_add_file_to_group);
int sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr,
umode_t mode)
{
- struct sysfs_dirent *sd;
+ struct kernfs_node *kn;
struct iattr newattrs;
int rc;
- sd = kernfs_find_and_get(kobj->sd, attr->name);
- if (!sd)
+ kn = kernfs_find_and_get(kobj->sd, attr->name);
+ if (!kn)
return -ENOENT;
- newattrs.ia_mode = (mode & S_IALLUGO) | (sd->s_mode & ~S_IALLUGO);
+ newattrs.ia_mode = (mode & S_IALLUGO) | (kn->s_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE;
- rc = kernfs_setattr(sd, &newattrs);
+ rc = kernfs_setattr(kn, &newattrs);
- kernfs_put(sd);
+ kernfs_put(kn);
return rc;
}
EXPORT_SYMBOL_GPL(sysfs_chmod_file);
@@ -366,9 +366,9 @@ EXPORT_SYMBOL_GPL(sysfs_chmod_file);
void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
const void *ns)
{
- struct sysfs_dirent *dir_sd = kobj->sd;
+ struct kernfs_node *parent = kobj->sd;
- kernfs_remove_by_name_ns(dir_sd, attr->name, ns);
+ kernfs_remove_by_name_ns(parent, attr->name, ns);
}
EXPORT_SYMBOL_GPL(sysfs_remove_file_ns);
@@ -389,18 +389,18 @@ EXPORT_SYMBOL_GPL(sysfs_remove_files);
void sysfs_remove_file_from_group(struct kobject *kobj,
const struct attribute *attr, const char *group)
{
- struct sysfs_dirent *dir_sd;
+ struct kernfs_node *parent;
if (group) {
- dir_sd = kernfs_find_and_get(kobj->sd, group);
+ parent = kernfs_find_and_get(kobj->sd, group);
} else {
- dir_sd = kobj->sd;
- kernfs_get(dir_sd);
+ parent = kobj->sd;
+ kernfs_get(parent);
}
- if (dir_sd) {
- kernfs_remove_by_name(dir_sd, attr->name);
- kernfs_put(dir_sd);
+ if (parent) {
+ kernfs_remove_by_name(parent, attr->name);
+ kernfs_put(parent);
}
}
EXPORT_SYMBOL_GPL(sysfs_remove_file_from_group);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 10:19:11 +0000