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-rw-r--r--fs/sysfs/sysfs.h139
1 files changed, 43 insertions, 96 deletions
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index 3f8953e0e5d..0e2f1cccb81 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -1,96 +1,43 @@
-
-extern struct vfsmount * sysfs_mount;
-extern kmem_cache_t *sysfs_dir_cachep;
-
-extern struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent *);
-extern int sysfs_create(struct dentry *, int mode, int (*init)(struct inode *));
-
-extern int sysfs_make_dirent(struct sysfs_dirent *, struct dentry *, void *,
- umode_t, int);
-
-extern int sysfs_add_file(struct dentry *, const struct attribute *, int);
-extern void sysfs_hash_and_remove(struct dentry * dir, const char * name);
-
-extern int sysfs_create_subdir(struct kobject *, const char *, struct dentry **);
-extern void sysfs_remove_subdir(struct dentry *);
-
-extern const unsigned char * sysfs_get_name(struct sysfs_dirent *sd);
-extern void sysfs_drop_dentry(struct sysfs_dirent *sd, struct dentry *parent);
-extern int sysfs_setattr(struct dentry *dentry, struct iattr *iattr);
-
-extern struct rw_semaphore sysfs_rename_sem;
-extern struct super_block * sysfs_sb;
-extern struct file_operations sysfs_dir_operations;
-extern struct file_operations sysfs_file_operations;
-extern struct file_operations bin_fops;
-extern struct inode_operations sysfs_dir_inode_operations;
-extern struct inode_operations sysfs_symlink_inode_operations;
-
-struct sysfs_symlink {
- char * link_name;
- struct kobject * target_kobj;
-};
-
-static inline struct kobject * to_kobj(struct dentry * dentry)
-{
- struct sysfs_dirent * sd = dentry->d_fsdata;
- return ((struct kobject *) sd->s_element);
-}
-
-static inline struct attribute * to_attr(struct dentry * dentry)
-{
- struct sysfs_dirent * sd = dentry->d_fsdata;
- return ((struct attribute *) sd->s_element);
-}
-
-static inline struct bin_attribute * to_bin_attr(struct dentry * dentry)
-{
- struct sysfs_dirent * sd = dentry->d_fsdata;
- return ((struct bin_attribute *) sd->s_element);
-}
-
-static inline struct kobject *sysfs_get_kobject(struct dentry *dentry)
-{
- struct kobject * kobj = NULL;
-
- spin_lock(&dcache_lock);
- if (!d_unhashed(dentry)) {
- struct sysfs_dirent * sd = dentry->d_fsdata;
- if (sd->s_type & SYSFS_KOBJ_LINK) {
- struct sysfs_symlink * sl = sd->s_element;
- kobj = kobject_get(sl->target_kobj);
- } else
- kobj = kobject_get(sd->s_element);
- }
- spin_unlock(&dcache_lock);
-
- return kobj;
-}
-
-static inline void release_sysfs_dirent(struct sysfs_dirent * sd)
-{
- if (sd->s_type & SYSFS_KOBJ_LINK) {
- struct sysfs_symlink * sl = sd->s_element;
- kfree(sl->link_name);
- kobject_put(sl->target_kobj);
- kfree(sl);
- }
- kfree(sd->s_iattr);
- kmem_cache_free(sysfs_dir_cachep, sd);
-}
-
-static inline struct sysfs_dirent * sysfs_get(struct sysfs_dirent * sd)
-{
- if (sd) {
- WARN_ON(!atomic_read(&sd->s_count));
- atomic_inc(&sd->s_count);
- }
- return sd;
-}
-
-static inline void sysfs_put(struct sysfs_dirent * sd)
-{
- if (atomic_dec_and_test(&sd->s_count))
- release_sysfs_dirent(sd);
-}
-
+/*
+ * fs/sysfs/sysfs.h - sysfs internal header file
+ *
+ * Copyright (c) 2001-3 Patrick Mochel
+ * Copyright (c) 2007 SUSE Linux Products GmbH
+ * Copyright (c) 2007 Tejun Heo <teheo@suse.de>
+ *
+ * This file is released under the GPLv2.
+ */
+
+#ifndef __SYSFS_INTERNAL_H
+#define __SYSFS_INTERNAL_H
+
+#include <linux/sysfs.h>
+
+/*
+ * mount.c
+ */
+extern struct kernfs_node *sysfs_root_kn;
+
+/*
+ * dir.c
+ */
+extern spinlock_t sysfs_symlink_target_lock;
+
+void sysfs_warn_dup(struct kernfs_node *parent, const char *name);
+
+/*
+ * file.c
+ */
+int sysfs_add_file(struct kernfs_node *parent,
+ const struct attribute *attr, bool is_bin);
+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 kernfs_node *kn, struct kobject *target,
+ const char *name);
+
+#endif /* __SYSFS_INTERNAL_H */