/* The sysfs dirent has been moved to a different namespace */
if (kn->parent && kernfs_ns_enabled(kn->parent) &&
- sysfs_info(dentry->d_sb)->ns != kn->ns)
+ kernfs_info(dentry->d_sb)->ns != kn->ns)
goto out_bad;
mutex_unlock(&sysfs_mutex);
/**
* sysfs_addrm_start - prepare for kernfs_node add/remove
- * @acxt: pointer to sysfs_addrm_cxt to be used
+ * @acxt: pointer to kernfs_addrm_cxt to be used
*
* This function is called when the caller is about to add or remove
* kernfs_node. This function acquires sysfs_mutex. @acxt is used to
* Kernel thread context (may sleep). sysfs_mutex is locked on
* return.
*/
-void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt)
+void sysfs_addrm_start(struct kernfs_addrm_cxt *acxt)
__acquires(sysfs_mutex)
{
memset(acxt, 0, sizeof(*acxt));
* 0 on success, -EEXIST if entry with the given name already
* exists.
*/
-int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct kernfs_node *kn,
+int sysfs_add_one(struct kernfs_addrm_cxt *acxt, struct kernfs_node *kn,
struct kernfs_node *parent)
{
bool has_ns = kernfs_ns_enabled(parent);
- struct sysfs_inode_attrs *ps_iattr;
+ struct kernfs_iattrs *ps_iattr;
int ret;
if (has_ns != (bool)kn->ns) {
* LOCKING:
* Determined by sysfs_addrm_start().
*/
-static void sysfs_remove_one(struct sysfs_addrm_cxt *acxt,
+static void sysfs_remove_one(struct kernfs_addrm_cxt *acxt,
struct kernfs_node *kn)
{
- struct sysfs_inode_attrs *ps_iattr;
+ struct kernfs_iattrs *ps_iattr;
/*
* Removal can be called multiple times on the same node. Only the
* LOCKING:
* sysfs_mutex is released.
*/
-void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt)
+void sysfs_addrm_finish(struct kernfs_addrm_cxt *acxt)
__releases(sysfs_mutex)
{
/* release resources acquired by sysfs_addrm_start() */
const void *ns)
{
umode_t mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
- struct sysfs_addrm_cxt acxt;
+ struct kernfs_addrm_cxt acxt;
struct kernfs_node *kn;
int rc;
mutex_lock(&sysfs_mutex);
if (kernfs_ns_enabled(parent))
- ns = sysfs_info(dir->i_sb)->ns;
+ ns = kernfs_info(dir->i_sb)->ns;
kn = kernfs_find_ns(parent, dentry->d_name.name, ns);
return pos->parent;
}
-static void __kernfs_remove(struct sysfs_addrm_cxt *acxt,
+static void __kernfs_remove(struct kernfs_addrm_cxt *acxt,
struct kernfs_node *kn)
{
struct kernfs_node *pos, *next;
*/
void kernfs_remove(struct kernfs_node *kn)
{
- struct sysfs_addrm_cxt acxt;
+ struct kernfs_addrm_cxt acxt;
sysfs_addrm_start(&acxt);
__kernfs_remove(&acxt, kn);
int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,
const void *ns)
{
- struct sysfs_addrm_cxt acxt;
+ struct kernfs_addrm_cxt acxt;
struct kernfs_node *kn;
if (!parent) {
mutex_lock(&sysfs_mutex);
if (kernfs_ns_enabled(parent))
- ns = sysfs_info(dentry->d_sb)->ns;
+ ns = kernfs_info(dentry->d_sb)->ns;
for (pos = sysfs_dir_pos(ns, parent, ctx->pos, pos);
pos;
#include "kernfs-internal.h"
/*
- * There's one sysfs_open_file for each open file and one sysfs_open_dirent
+ * There's one kernfs_open_file for each open file and one kernfs_open_node
* for each kernfs_node with one or more open files.
*
- * kernfs_node->attr.open points to sysfs_open_dirent. attr.open is
- * protected by sysfs_open_dirent_lock.
+ * kernfs_node->attr.open points to kernfs_open_node. attr.open is
+ * protected by kernfs_open_node_lock.
*
* filp->private_data points to seq_file whose ->private points to
- * sysfs_open_file. sysfs_open_files are chained at
- * sysfs_open_dirent->files, which is protected by sysfs_open_file_mutex.
+ * kernfs_open_file. kernfs_open_files are chained at
+ * kernfs_open_node->files, which is protected by kernfs_open_file_mutex.
*/
-static DEFINE_SPINLOCK(sysfs_open_dirent_lock);
-static DEFINE_MUTEX(sysfs_open_file_mutex);
+static DEFINE_SPINLOCK(kernfs_open_node_lock);
+static DEFINE_MUTEX(kernfs_open_file_mutex);
-struct sysfs_open_dirent {
+struct kernfs_open_node {
atomic_t refcnt;
atomic_t event;
wait_queue_head_t poll;
- struct list_head files; /* goes through sysfs_open_file.list */
+ struct list_head files; /* goes through kernfs_open_file.list */
};
-static struct sysfs_open_file *sysfs_of(struct file *file)
+static struct kernfs_open_file *kernfs_of(struct file *file)
{
return ((struct seq_file *)file->private_data)->private;
}
static void *kernfs_seq_start(struct seq_file *sf, loff_t *ppos)
{
- struct sysfs_open_file *of = sf->private;
+ struct kernfs_open_file *of = sf->private;
const struct kernfs_ops *ops;
/*
static void *kernfs_seq_next(struct seq_file *sf, void *v, loff_t *ppos)
{
- struct sysfs_open_file *of = sf->private;
+ struct kernfs_open_file *of = sf->private;
const struct kernfs_ops *ops = kernfs_ops(of->kn);
if (ops->seq_next) {
static void kernfs_seq_stop(struct seq_file *sf, void *v)
{
- struct sysfs_open_file *of = sf->private;
+ struct kernfs_open_file *of = sf->private;
const struct kernfs_ops *ops = kernfs_ops(of->kn);
if (ops->seq_stop)
static int kernfs_seq_show(struct seq_file *sf, void *v)
{
- struct sysfs_open_file *of = sf->private;
+ struct kernfs_open_file *of = sf->private;
of->event = atomic_read(&of->kn->attr.open->event);
* it difficult to use seq_file. Implement simplistic custom buffering for
* bin files.
*/
-static ssize_t kernfs_file_direct_read(struct sysfs_open_file *of,
+static ssize_t kernfs_file_direct_read(struct kernfs_open_file *of,
char __user *user_buf, size_t count,
loff_t *ppos)
{
static ssize_t kernfs_file_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
if (of->kn->flags & SYSFS_FLAG_HAS_SEQ_SHOW)
return seq_read(file, user_buf, count, ppos);
static ssize_t kernfs_file_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
ssize_t len = min_t(size_t, count, PAGE_SIZE);
const struct kernfs_ops *ops;
char *buf;
static void kernfs_vma_open(struct vm_area_struct *vma)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
if (!of->vm_ops)
return;
static int kernfs_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
int ret;
if (!of->vm_ops)
struct vm_fault *vmf)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
int ret;
if (!of->vm_ops)
void *buf, int len, int write)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
int ret;
if (!of->vm_ops)
struct mempolicy *new)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
int ret;
if (!of->vm_ops)
unsigned long addr)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
struct mempolicy *pol;
if (!of->vm_ops)
unsigned long flags)
{
struct file *file = vma->vm_file;
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
int ret;
if (!of->vm_ops)
static int kernfs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
- struct sysfs_open_file *of = sysfs_of(file);
+ struct kernfs_open_file *of = kernfs_of(file);
const struct kernfs_ops *ops;
int rc;
}
/**
- * sysfs_get_open_dirent - get or create sysfs_open_dirent
+ * sysfs_get_open_dirent - get or create kernfs_open_node
* @kn: target kernfs_node
- * @of: sysfs_open_file for this instance of open
+ * @of: kernfs_open_file for this instance of open
*
* If @kn->attr.open exists, increment its reference count; otherwise,
* create one. @of is chained to the files list.
* 0 on success, -errno on failure.
*/
static int sysfs_get_open_dirent(struct kernfs_node *kn,
- struct sysfs_open_file *of)
+ struct kernfs_open_file *of)
{
- struct sysfs_open_dirent *od, *new_od = NULL;
+ struct kernfs_open_node *on, *new_on = NULL;
retry:
- mutex_lock(&sysfs_open_file_mutex);
- spin_lock_irq(&sysfs_open_dirent_lock);
+ mutex_lock(&kernfs_open_file_mutex);
+ spin_lock_irq(&kernfs_open_node_lock);
- if (!kn->attr.open && new_od) {
- kn->attr.open = new_od;
- new_od = NULL;
+ if (!kn->attr.open && new_on) {
+ kn->attr.open = new_on;
+ new_on = NULL;
}
- od = kn->attr.open;
- if (od) {
- atomic_inc(&od->refcnt);
- list_add_tail(&of->list, &od->files);
+ on = kn->attr.open;
+ if (on) {
+ atomic_inc(&on->refcnt);
+ list_add_tail(&of->list, &on->files);
}
- spin_unlock_irq(&sysfs_open_dirent_lock);
- mutex_unlock(&sysfs_open_file_mutex);
+ spin_unlock_irq(&kernfs_open_node_lock);
+ mutex_unlock(&kernfs_open_file_mutex);
- if (od) {
- kfree(new_od);
+ if (on) {
+ kfree(new_on);
return 0;
}
/* not there, initialize a new one and retry */
- new_od = kmalloc(sizeof(*new_od), GFP_KERNEL);
- if (!new_od)
+ new_on = kmalloc(sizeof(*new_on), GFP_KERNEL);
+ if (!new_on)
return -ENOMEM;
- atomic_set(&new_od->refcnt, 0);
- atomic_set(&new_od->event, 1);
- init_waitqueue_head(&new_od->poll);
- INIT_LIST_HEAD(&new_od->files);
+ atomic_set(&new_on->refcnt, 0);
+ atomic_set(&new_on->event, 1);
+ init_waitqueue_head(&new_on->poll);
+ INIT_LIST_HEAD(&new_on->files);
goto retry;
}
/**
- * sysfs_put_open_dirent - put sysfs_open_dirent
+ * sysfs_put_open_dirent - put kernfs_open_node
* @kn: target kernfs_nodet
- * @of: associated sysfs_open_file
+ * @of: associated kernfs_open_file
*
* Put @kn->attr.open and unlink @of from the files list. If
* reference count reaches zero, disassociate and free it.
* None.
*/
static void sysfs_put_open_dirent(struct kernfs_node *kn,
- struct sysfs_open_file *of)
+ struct kernfs_open_file *of)
{
- struct sysfs_open_dirent *od = kn->attr.open;
+ struct kernfs_open_node *on = kn->attr.open;
unsigned long flags;
- mutex_lock(&sysfs_open_file_mutex);
- spin_lock_irqsave(&sysfs_open_dirent_lock, flags);
+ mutex_lock(&kernfs_open_file_mutex);
+ spin_lock_irqsave(&kernfs_open_node_lock, flags);
if (of)
list_del(&of->list);
- if (atomic_dec_and_test(&od->refcnt))
+ if (atomic_dec_and_test(&on->refcnt))
kn->attr.open = NULL;
else
- od = NULL;
+ on = NULL;
- spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags);
- mutex_unlock(&sysfs_open_file_mutex);
+ spin_unlock_irqrestore(&kernfs_open_node_lock, flags);
+ mutex_unlock(&kernfs_open_file_mutex);
- kfree(od);
+ kfree(on);
}
static int kernfs_file_open(struct inode *inode, struct file *file)
{
struct kernfs_node *kn = file->f_path.dentry->d_fsdata;
const struct kernfs_ops *ops;
- struct sysfs_open_file *of;
+ struct kernfs_open_file *of;
bool has_read, has_write, has_mmap;
int error = -EACCES;
(!(inode->i_mode & S_IRUGO) || !has_read))
goto err_out;
- /* allocate a sysfs_open_file for the file */
+ /* allocate a kernfs_open_file for the file */
error = -ENOMEM;
- of = kzalloc(sizeof(struct sysfs_open_file), GFP_KERNEL);
+ of = kzalloc(sizeof(struct kernfs_open_file), GFP_KERNEL);
if (!of)
goto err_out;
static int kernfs_file_release(struct inode *inode, struct file *filp)
{
struct kernfs_node *kn = filp->f_path.dentry->d_fsdata;
- struct sysfs_open_file *of = sysfs_of(filp);
+ struct kernfs_open_file *of = kernfs_of(filp);
sysfs_put_open_dirent(kn, of);
seq_release(inode, filp);
void sysfs_unmap_bin_file(struct kernfs_node *kn)
{
- struct sysfs_open_dirent *od;
- struct sysfs_open_file *of;
+ struct kernfs_open_node *on;
+ struct kernfs_open_file *of;
if (!(kn->flags & SYSFS_FLAG_HAS_MMAP))
return;
- spin_lock_irq(&sysfs_open_dirent_lock);
- od = kn->attr.open;
- if (od)
- atomic_inc(&od->refcnt);
- spin_unlock_irq(&sysfs_open_dirent_lock);
- if (!od)
+ spin_lock_irq(&kernfs_open_node_lock);
+ on = kn->attr.open;
+ if (on)
+ atomic_inc(&on->refcnt);
+ spin_unlock_irq(&kernfs_open_node_lock);
+ if (!on)
return;
- mutex_lock(&sysfs_open_file_mutex);
- list_for_each_entry(of, &od->files, list) {
+ mutex_lock(&kernfs_open_file_mutex);
+ list_for_each_entry(of, &on->files, list) {
struct inode *inode = file_inode(of->file);
unmap_mapping_range(inode->i_mapping, 0, 0, 1);
}
- mutex_unlock(&sysfs_open_file_mutex);
+ mutex_unlock(&kernfs_open_file_mutex);
sysfs_put_open_dirent(kn, NULL);
}
*/
static unsigned int kernfs_file_poll(struct file *filp, poll_table *wait)
{
- struct sysfs_open_file *of = sysfs_of(filp);
+ struct kernfs_open_file *of = kernfs_of(filp);
struct kernfs_node *kn = filp->f_path.dentry->d_fsdata;
- struct sysfs_open_dirent *od = kn->attr.open;
+ struct kernfs_open_node *on = kn->attr.open;
/* need parent for the kobj, grab both */
if (!sysfs_get_active(kn))
goto trigger;
- poll_wait(filp, &od->poll, wait);
+ poll_wait(filp, &on->poll, wait);
sysfs_put_active(kn);
- if (of->event != atomic_read(&od->event))
+ if (of->event != atomic_read(&on->event))
goto trigger;
return DEFAULT_POLLMASK;
*/
void kernfs_notify(struct kernfs_node *kn)
{
- struct sysfs_open_dirent *od;
+ struct kernfs_open_node *on;
unsigned long flags;
- spin_lock_irqsave(&sysfs_open_dirent_lock, flags);
+ spin_lock_irqsave(&kernfs_open_node_lock, flags);
if (!WARN_ON(sysfs_type(kn) != SYSFS_KOBJ_ATTR)) {
- od = kn->attr.open;
- if (od) {
- atomic_inc(&od->event);
- wake_up_interruptible(&od->poll);
+ on = kn->attr.open;
+ if (on) {
+ atomic_inc(&on->event);
+ wake_up_interruptible(&on->poll);
}
}
- spin_unlock_irqrestore(&sysfs_open_dirent_lock, flags);
+ spin_unlock_irqrestore(&kernfs_open_node_lock, flags);
}
EXPORT_SYMBOL_GPL(kernfs_notify);
void *priv, const void *ns,
struct lock_class_key *key)
{
- struct sysfs_addrm_cxt acxt;
+ struct kernfs_addrm_cxt acxt;
struct kernfs_node *kn;
int rc;
panic("failed to init sysfs_backing_dev_info");
}
-static struct sysfs_inode_attrs *sysfs_inode_attrs(struct kernfs_node *kn)
+static struct kernfs_iattrs *kernfs_iattrs(struct kernfs_node *kn)
{
struct iattr *iattrs;
if (kn->iattr)
return kn->iattr;
- kn->iattr = kzalloc(sizeof(struct sysfs_inode_attrs), GFP_KERNEL);
+ kn->iattr = kzalloc(sizeof(struct kernfs_iattrs), GFP_KERNEL);
if (!kn->iattr)
return NULL;
iattrs = &kn->iattr->ia_iattr;
static int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)
{
- struct sysfs_inode_attrs *attrs;
+ struct kernfs_iattrs *attrs;
struct iattr *iattrs;
unsigned int ia_valid = iattr->ia_valid;
- attrs = sysfs_inode_attrs(kn);
+ attrs = kernfs_iattrs(kn);
if (!attrs)
return -ENOMEM;
static int sysfs_sd_setsecdata(struct kernfs_node *kn, void **secdata,
u32 *secdata_len)
{
- struct sysfs_inode_attrs *attrs;
+ struct kernfs_iattrs *attrs;
void *old_secdata;
size_t old_secdata_len;
- attrs = sysfs_inode_attrs(kn);
+ attrs = kernfs_iattrs(kn);
if (!attrs)
return -ENOMEM;
size_t size, int flags)
{
struct kernfs_node *kn = dentry->d_fsdata;
- struct sysfs_inode_attrs *attrs;
+ struct kernfs_iattrs *attrs;
void *secdata;
int error;
u32 secdata_len = 0;
- attrs = sysfs_inode_attrs(kn);
+ attrs = kernfs_iattrs(kn);
if (!attrs)
return -ENOMEM;
int sysfs_removexattr(struct dentry *dentry, const char *name)
{
struct kernfs_node *kn = dentry->d_fsdata;
- struct sysfs_inode_attrs *attrs;
+ struct kernfs_iattrs *attrs;
- attrs = sysfs_inode_attrs(kn);
+ attrs = kernfs_iattrs(kn);
if (!attrs)
return -ENOMEM;
size_t size)
{
struct kernfs_node *kn = dentry->d_fsdata;
- struct sysfs_inode_attrs *attrs;
+ struct kernfs_iattrs *attrs;
- attrs = sysfs_inode_attrs(kn);
+ attrs = kernfs_iattrs(kn);
if (!attrs)
return -ENOMEM;
ssize_t sysfs_listxattr(struct dentry *dentry, char *buf, size_t size)
{
struct kernfs_node *kn = dentry->d_fsdata;
- struct sysfs_inode_attrs *attrs;
+ struct kernfs_iattrs *attrs;
- attrs = sysfs_inode_attrs(kn);
+ attrs = kernfs_iattrs(kn);
if (!attrs)
return -ENOMEM;
static void sysfs_refresh_inode(struct kernfs_node *kn, struct inode *inode)
{
- struct sysfs_inode_attrs *attrs = kn->iattr;
+ struct kernfs_iattrs *attrs = kn->iattr;
inode->i_mode = kn->mode;
if (attrs) {
#include <linux/kernfs.h>
-struct sysfs_inode_attrs {
+struct kernfs_iattrs {
struct iattr ia_iattr;
void *ia_secdata;
u32 ia_secdata_len;
/*
* Context structure to be used while adding/removing nodes.
*/
-struct sysfs_addrm_cxt {
+struct kernfs_addrm_cxt {
struct kernfs_node *removed;
};
/*
* mount.c
*/
-struct sysfs_super_info {
+struct kernfs_super_info {
/*
* The root associated with this super_block. Each super_block is
* identified by the root and ns it's associated with.
/*
* Each sb is associated with one namespace tag, currently the
- * network namespace of the task which mounted this sysfs instance.
- * If multiple tags become necessary, make the following an array
- * and compare kernfs_node tag against every entry.
+ * network namespace of the task which mounted this kernfs
+ * instance. If multiple tags become necessary, make the following
+ * an array and compare kernfs_node tag against every entry.
*/
const void *ns;
};
-#define sysfs_info(SB) ((struct sysfs_super_info *)(SB->s_fs_info))
+#define kernfs_info(SB) ((struct kernfs_super_info *)(SB->s_fs_info))
extern struct kmem_cache *sysfs_dir_cachep;
struct kernfs_node *sysfs_get_active(struct kernfs_node *kn);
void sysfs_put_active(struct kernfs_node *kn);
-void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt);
-int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct kernfs_node *kn,
+void sysfs_addrm_start(struct kernfs_addrm_cxt *acxt);
+int sysfs_add_one(struct kernfs_addrm_cxt *acxt, struct kernfs_node *kn,
struct kernfs_node *parent);
-void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt);
+void sysfs_addrm_finish(struct kernfs_addrm_cxt *acxt);
struct kernfs_node *sysfs_new_dirent(struct kernfs_root *root,
const char *name, umode_t mode, int type);
static int sysfs_fill_super(struct super_block *sb)
{
- struct sysfs_super_info *info = sysfs_info(sb);
+ struct kernfs_super_info *info = kernfs_info(sb);
struct inode *inode;
struct dentry *root;
static int sysfs_test_super(struct super_block *sb, void *data)
{
- struct sysfs_super_info *sb_info = sysfs_info(sb);
- struct sysfs_super_info *info = data;
+ struct kernfs_super_info *sb_info = kernfs_info(sb);
+ struct kernfs_super_info *info = data;
return sb_info->root == info->root && sb_info->ns == info->ns;
}
*/
const void *kernfs_super_ns(struct super_block *sb)
{
- struct sysfs_super_info *info = sysfs_info(sb);
+ struct kernfs_super_info *info = kernfs_info(sb);
return info->ns;
}
struct kernfs_root *root, const void *ns)
{
struct super_block *sb;
- struct sysfs_super_info *info;
+ struct kernfs_super_info *info;
int error;
info = kzalloc(sizeof(*info), GFP_KERNEL);
*/
void kernfs_kill_sb(struct super_block *sb)
{
- struct sysfs_super_info *info = sysfs_info(sb);
+ struct kernfs_super_info *info = kernfs_info(sb);
struct kernfs_node *root_kn = sb->s_root->d_fsdata;
/*
* Remove the superblock from fs_supers/s_instances
- * so we can't find it, before freeing sysfs_super_info.
+ * so we can't find it, before freeing kernfs_super_info.
*/
kill_anon_super(sb);
kfree(info);
struct kernfs_node *target)
{
struct kernfs_node *kn;
- struct sysfs_addrm_cxt acxt;
+ struct kernfs_addrm_cxt acxt;
int error;
kn = sysfs_new_dirent(kernfs_root(parent), name, S_IFLNK|S_IRWXUGO,
*/
static int sysfs_kf_seq_show(struct seq_file *sf, void *v)
{
- struct sysfs_open_file *of = sf->private;
+ struct kernfs_open_file *of = sf->private;
struct kobject *kobj = of->kn->parent->priv;
const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
ssize_t count;
return 0;
}
-static ssize_t sysfs_kf_bin_read(struct sysfs_open_file *of, char *buf,
+static ssize_t sysfs_kf_bin_read(struct kernfs_open_file *of, char *buf,
size_t count, loff_t pos)
{
struct bin_attribute *battr = of->kn->priv;
}
/* kernfs write callback for regular sysfs files */
-static ssize_t sysfs_kf_write(struct sysfs_open_file *of, char *buf,
+static ssize_t sysfs_kf_write(struct kernfs_open_file *of, char *buf,
size_t count, loff_t pos)
{
const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
}
/* kernfs write callback for bin sysfs files */
-static ssize_t sysfs_kf_bin_write(struct sysfs_open_file *of, char *buf,
+static ssize_t sysfs_kf_bin_write(struct kernfs_open_file *of, char *buf,
size_t count, loff_t pos)
{
struct bin_attribute *battr = of->kn->priv;
return battr->write(of->file, kobj, battr, buf, pos, count);
}
-static int sysfs_kf_bin_mmap(struct sysfs_open_file *of,
+static int sysfs_kf_bin_mmap(struct kernfs_open_file *of,
struct vm_area_struct *vma)
{
struct bin_attribute *battr = of->kn->priv;
struct super_block;
struct file_system_type;
-struct sysfs_open_dirent;
-struct sysfs_inode_attrs;
+struct kernfs_open_node;
+struct kernfs_iattrs;
enum kernfs_node_type {
SYSFS_DIR = 0x0001,
struct kernfs_elem_attr {
const struct kernfs_ops *ops;
- struct sysfs_open_dirent *open;
+ struct kernfs_open_node *open;
loff_t size;
};
unsigned short flags;
umode_t mode;
unsigned int ino;
- struct sysfs_inode_attrs *iattr;
+ struct kernfs_iattrs *iattr;
};
struct kernfs_root {
struct ida ino_ida;
};
-struct sysfs_open_file {
+struct kernfs_open_file {
/* published fields */
struct kernfs_node *kn;
struct file *file;
* If seq_show() is present, seq_file path is active. Other seq
* operations are optional and if not implemented, the behavior is
* equivalent to single_open(). @sf->private points to the
- * associated sysfs_open_file.
+ * associated kernfs_open_file.
*
* read() is bounced through kernel buffer and a read larger than
* PAGE_SIZE results in partial operation of PAGE_SIZE.
void *(*seq_next)(struct seq_file *sf, void *v, loff_t *ppos);
void (*seq_stop)(struct seq_file *sf, void *v);
- ssize_t (*read)(struct sysfs_open_file *of, char *buf, size_t bytes,
+ ssize_t (*read)(struct kernfs_open_file *of, char *buf, size_t bytes,
loff_t off);
/*
* write() is bounced through kernel buffer and a write larger than
* PAGE_SIZE results in partial operation of PAGE_SIZE.
*/
- ssize_t (*write)(struct sysfs_open_file *of, char *buf, size_t bytes,
+ ssize_t (*write)(struct kernfs_open_file *of, char *buf, size_t bytes,
loff_t off);
- int (*mmap)(struct sysfs_open_file *of, struct vm_area_struct *vma);
+ int (*mmap)(struct kernfs_open_file *of, struct vm_area_struct *vma);
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lock_class_key lockdep_key;
projects / users / jedix / linux-maple.git / commitdiff