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-rw-r--r--fs/sysfs/dir.c66
-rw-r--r--fs/sysfs/file.c122
-rw-r--r--fs/sysfs/group.c96
-rw-r--r--fs/sysfs/mount.c4
-rw-r--r--fs/sysfs/symlink.c72
-rw-r--r--fs/sysfs/sysfs.h10
6 files changed, 185 insertions, 185 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);
}
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);
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index 7177532b8f7b..4d00d3996477 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -18,7 +18,7 @@
#include "sysfs.h"
-static void remove_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
+static void remove_files(struct kernfs_node *parent, struct kobject *kobj,
const struct attribute_group *grp)
{
struct attribute *const *attr;
@@ -26,13 +26,13 @@ static void remove_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
if (grp->attrs)
for (attr = grp->attrs; *attr; attr++)
- kernfs_remove_by_name(dir_sd, (*attr)->name);
+ kernfs_remove_by_name(parent, (*attr)->name);
if (grp->bin_attrs)
for (bin_attr = grp->bin_attrs; *bin_attr; bin_attr++)
sysfs_remove_bin_file(kobj, *bin_attr);
}
-static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
+static int create_files(struct kernfs_node *parent, struct kobject *kobj,
const struct attribute_group *grp, int update)
{
struct attribute *const *attr;
@@ -49,20 +49,20 @@ static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
* re-adding (if required) the file.
*/
if (update)
- kernfs_remove_by_name(dir_sd, (*attr)->name);
+ kernfs_remove_by_name(parent, (*attr)->name);
if (grp->is_visible) {
mode = grp->is_visible(kobj, *attr, i);
if (!mode)
continue;
}
- error = sysfs_add_file_mode_ns(dir_sd, *attr, false,
+ error = sysfs_add_file_mode_ns(parent, *attr, false,
(*attr)->mode | mode,
NULL);
if (unlikely(error))
break;
}
if (error) {
- remove_files(dir_sd, kobj, grp);
+ remove_files(parent, kobj, grp);
goto exit;
}
}
@@ -76,7 +76,7 @@ static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj,
break;
}
if (error)
- remove_files(dir_sd, kobj, grp);
+ remove_files(parent, kobj, grp);
}
exit:
return error;
@@ -86,7 +86,7 @@ exit:
static int internal_create_group(struct kobject *kobj, int update,
const struct attribute_group *grp)
{
- struct sysfs_dirent *sd;
+ struct kernfs_node *kn;
int error;
BUG_ON(!kobj || (!update && !kobj->sd));
@@ -100,21 +100,21 @@ static int internal_create_group(struct kobject *kobj, int update,
return -EINVAL;
}
if (grp->name) {
- sd = kernfs_create_dir(kobj->sd, grp->name, kobj);
- if (IS_ERR(sd)) {
- if (PTR_ERR(sd) == -EEXIST)
+ kn = kernfs_create_dir(kobj->sd, grp->name, kobj);
+ if (IS_ERR(kn)) {
+ if (PTR_ERR(kn) == -EEXIST)
sysfs_warn_dup(kobj->sd, grp->name);
- return PTR_ERR(sd);
+ return PTR_ERR(kn);
}
} else
- sd = kobj->sd;
- kernfs_get(sd);
- error = create_files(sd, kobj, grp, update);
+ kn = kobj->sd;
+ kernfs_get(kn);
+ error = create_files(kn, kobj, grp, update);
if (error) {
if (grp->name)
- kernfs_remove(sd);
+ kernfs_remove(kn);
}
- kernfs_put(sd);
+ kernfs_put(kn);
return error;
}
@@ -204,27 +204,27 @@ EXPORT_SYMBOL_GPL(sysfs_update_group);
void sysfs_remove_group(struct kobject *kobj,
const struct attribute_group *grp)
{
- struct sysfs_dirent *dir_sd = kobj->sd;
- struct sysfs_dirent *sd;
+ struct kernfs_node *parent = kobj->sd;
+ struct kernfs_node *kn;
if (grp->name) {
- sd = kernfs_find_and_get(dir_sd, grp->name);
- if (!sd) {
- WARN(!sd, KERN_WARNING
+ kn = kernfs_find_and_get(parent, grp->name);
+ if (!kn) {
+ WARN(!kn, KERN_WARNING
"sysfs group %p not found for kobject '%s'\n",
grp, kobject_name(kobj));
return;
}
} else {
- sd = dir_sd;
- kernfs_get(sd);
+ kn = parent;
+ kernfs_get(kn);
}
- remove_files(sd, kobj, grp);
+ remove_files(kn, kobj, grp);
if (grp->name)
- kernfs_remove(sd);
+ kernfs_remove(kn);
- kernfs_put(sd);
+ kernfs_put(kn);
}
EXPORT_SYMBOL_GPL(sysfs_remove_group);
@@ -260,22 +260,22 @@ EXPORT_SYMBOL_GPL(sysfs_remove_groups);
int sysfs_merge_group(struct kobject *kobj,
const struct attribute_group *grp)
{
- struct sysfs_dirent *dir_sd;
+ struct kernfs_node *parent;
int error = 0;
struct attribute *const *attr;
int i;
- dir_sd = kernfs_find_and_get(kobj->sd, grp->name);
- if (!dir_sd)
+ parent = kernfs_find_and_get(kobj->sd, grp->name);
+ if (!parent)
return -ENOENT;
for ((i = 0, attr = grp->attrs); *attr && !error; (++i, ++attr))
- error = sysfs_add_file(dir_sd, *attr, false);
+ error = sysfs_add_file(parent, *attr, false);
if (error) {
while (--i >= 0)
- kernfs_remove_by_name(dir_sd, (*--attr)->name);
+ kernfs_remove_by_name(parent, (*--attr)->name);
}
- kernfs_put(dir_sd);
+ kernfs_put(parent);
return error;
}
@@ -289,14 +289,14 @@ EXPORT_SYMBOL_GPL(sysfs_merge_group);
void sysfs_unmerge_group(struct kobject *kobj,
const struct attribute_group *grp)
{
- struct sysfs_dirent *dir_sd;
+ struct kernfs_node *parent;
struct attribute *const *attr;
- dir_sd = kernfs_find_and_get(kobj->sd, grp->name);
- if (dir_sd) {
+ parent = kernfs_find_and_get(kobj->sd, grp->name);
+ if (parent) {
for (attr = grp->attrs; *attr; ++attr)
- kernfs_remove_by_name(dir_sd, (*attr)->name);
- kernfs_put(dir_sd);
+ kernfs_remove_by_name(parent, (*attr)->name);
+ kernfs_put(parent);
}
}
EXPORT_SYMBOL_GPL(sysfs_unmerge_group);
@@ -311,15 +311,15 @@ EXPORT_SYMBOL_GPL(sysfs_unmerge_group);
int sysfs_add_link_to_group(struct kobject *kobj, const char *group_name,
struct kobject *target, const char *link_name)
{
- struct sysfs_dirent *dir_sd;
+ struct kernfs_node *parent;
int error = 0;
- dir_sd = kernfs_find_and_get(kobj->sd, group_name);
- if (!dir_sd)
+ parent = kernfs_find_and_get(kobj->sd, group_name);
+ if (!parent)
return -ENOENT;
- error = sysfs_create_link_sd(dir_sd, target, link_name);
- kernfs_put(dir_sd);
+ error = sysfs_create_link_sd(parent, target, link_name);
+ kernfs_put(parent);
return error;
}
@@ -334,12 +334,12 @@ EXPORT_SYMBOL_GPL(sysfs_add_link_to_group);
void sysfs_remove_link_from_group(struct kobject *kobj, const char *group_name,
const char *link_name)
{
- struct sysfs_dirent *dir_sd;
+ struct kernfs_node *parent;
- dir_sd = kernfs_find_and_get(kobj->sd, group_name);
- if (dir_sd) {
- kernfs_remove_by_name(dir_sd, link_name);
- kernfs_put(dir_sd);
+ parent = kernfs_find_and_get(kobj->sd, group_name);
+ if (parent) {
+ kernfs_remove_by_name(parent, link_name);
+ kernfs_put(parent);
}
}
EXPORT_SYMBOL_GPL(sysfs_remove_link_from_group);
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 8d075272cace..701a56f341c6 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -20,7 +20,7 @@
#include "sysfs.h"
static struct kernfs_root *sysfs_root;
-struct sysfs_dirent *sysfs_root_sd;
+struct kernfs_node *sysfs_root_kn;
static struct dentry *sysfs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
@@ -66,7 +66,7 @@ int __init sysfs_init(void)
if (IS_ERR(sysfs_root))
return PTR_ERR(sysfs_root);
- sysfs_root_sd = sysfs_root->sd;
+ sysfs_root_kn = sysfs_root->kn;
err = register_filesystem(&sysfs_fs_type);
if (err) {
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index 1b8c9ed8511a..4ed3d49ad279 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -18,66 +18,66 @@
#include "sysfs.h"
-static int sysfs_do_create_link_sd(struct sysfs_dirent *parent_sd,
- struct kobject *target,
+static int sysfs_do_create_link_sd(struct kernfs_node *parent,
+ struct kobject *target_kobj,
const char *name, int warn)
{
- struct sysfs_dirent *sd, *target_sd = NULL;
+ struct kernfs_node *kn, *target = NULL;
- BUG_ON(!name || !parent_sd);
+ BUG_ON(!name || !parent);
/*
- * We don't own @target and it may be removed at any time.
+ * We don't own @target_kobj and it may be removed at any time.
* Synchronize using sysfs_symlink_target_lock. See
* sysfs_remove_dir() for details.
*/
spin_lock(&sysfs_symlink_target_lock);
- if (target->sd) {
- target_sd = target->sd;
- kernfs_get(target_sd);
+ if (target_kobj->sd) {
+ target = target_kobj->sd;
+ kernfs_get(target);
}
spin_unlock(&sysfs_symlink_target_lock);
- if (!target_sd)
+ if (!target)
return -ENOENT;
- sd = kernfs_create_link(parent_sd, name, target_sd);
- kernfs_put(target_sd);
+ kn = kernfs_create_link(parent, name, target);
+ kernfs_put(target);
- if (!IS_ERR(sd))
+ if (!IS_ERR(kn))
return 0;
- if (warn && PTR_ERR(sd) == -EEXIST)
- sysfs_warn_dup(parent_sd, name);
- return PTR_ERR(sd);
+ if (warn && PTR_ERR(kn) == -EEXIST)
+ sysfs_warn_dup(parent, name);
+ return PTR_ERR(kn);
}
/**
* sysfs_create_link_sd - create symlink to a given object.
- * @sd: directory we're creating the link in.
+ * @kn: directory we're creating the link in.
* @target: object we're pointing to.
* @name: name of the symlink.
*/
-int sysfs_create_link_sd(struct sysfs_dirent *sd, struct kobject *target,
+int sysfs_create_link_sd(struct kernfs_node *kn, struct kobject *target,
const char *name)
{
- return sysfs_do_create_link_sd(sd, target, name, 1);
+ return sysfs_do_create_link_sd(kn, target, name, 1);
}
static int sysfs_do_create_link(struct kobject *kobj, struct kobject *target,
const char *name, int warn)
{
- struct sysfs_dirent *parent_sd = NULL;
+ struct kernfs_node *parent = NULL;
if (!kobj)
- parent_sd = sysfs_root_sd;
+ parent = sysfs_root_kn;
else
- parent_sd = kobj->sd;
+ parent = kobj->sd;
- if (!parent_sd)
+ if (!parent)
return -EFAULT;
- return sysfs_do_create_link_sd(parent_sd, target, name, warn);
+ return sysfs_do_create_link_sd(parent, target, name, warn);
}
/**
@@ -141,14 +141,14 @@ void sysfs_delete_link(struct kobject *kobj, struct kobject *targ,
*/
void sysfs_remove_link(struct kobject *kobj, const char *name)
{
- struct sysfs_dirent *parent_sd = NULL;
+ struct kernfs_node *parent = NULL;
if (!kobj)
- parent_sd = sysfs_root_sd;
+ parent = sysfs_root_kn;
else
- parent_sd = kobj->sd;
+ parent = kobj->sd;
- kernfs_remove_by_name(parent_sd, name);
+ kernfs_remove_by_name(parent, name);
}
EXPORT_SYMBOL_GPL(sysfs_remove_link);
@@ -165,33 +165,33 @@ EXPORT_SYMBOL_GPL(sysfs_remove_link);
int sysfs_rename_link_ns(struct kobject *kobj, struct kobject *targ,
const char *old, const char *new, const void *new_ns)
{
- struct sysfs_dirent *parent_sd, *sd = NULL;
+ struct kernfs_node *parent, *kn = NULL;
const void *old_ns = NULL;
int result;
if (!kobj)
- parent_sd = sysfs_root_sd;
+ parent = sysfs_root_kn;
else
- parent_sd = kobj->sd;
+ parent = kobj->sd;
if (targ->sd)
old_ns = targ->sd->s_ns;
result = -ENOENT;
- sd = kernfs_find_and_get_ns(parent_sd, old, old_ns);
- if (!sd)
+ kn = kernfs_find_and_get_ns(parent, old, old_ns);
+ if (!kn)
goto out;
result = -EINVAL;
- if (sysfs_type(sd) != SYSFS_KOBJ_LINK)
+ if (sysfs_type(kn) != SYSFS_KOBJ_LINK)
goto out;
- if (sd->s_symlink.target_sd->priv != targ)
+ if (kn->s_symlink.target_kn->priv != targ)
goto out;
- result = kernfs_rename_ns(sd, parent_sd, new, new_ns);
+ result = kernfs_rename_ns(kn, parent, new, new_ns);
out:
- kernfs_put(sd);
+ kernfs_put(kn);
return result;
}
EXPORT_SYMBOL_GPL(sysfs_rename_link_ns);
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index c8e395b49330..0e2f1cccb812 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -16,28 +16,28 @@
/*
* mount.c
*/
-extern struct sysfs_dirent *sysfs_root_sd;
+extern struct kernfs_node *sysfs_root_kn;
/*
* dir.c
*/
extern spinlock_t sysfs_symlink_target_lock;
-void sysfs_warn_dup(struct sysfs_dirent *parent, const char *name);
+void sysfs_warn_dup(struct kernfs_node *parent, const char *name);
/*
* file.c
*/
-int sysfs_add_file(struct sysfs_dirent *dir_sd,
+int sysfs_add_file(struct kernfs_node *parent,
const struct attribute *attr, bool is_bin);
-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 amode, const void *ns);
/*
* symlink.c
*/
-int sysfs_create_link_sd(struct sysfs_dirent *sd, struct kobject *target,
+int sysfs_create_link_sd(struct kernfs_node *kn, struct kobject *target,
const char *name);
#endif /* __SYSFS_INTERNAL_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 06:54:10 +0000