Lines Matching defs:of

42  * Reads on sysfs are handled through seq_file, which takes care of hairy
48 	struct kernfs_open_file *of = sf->private;
49 	struct kobject *kobj = sysfs_file_kobj(of->kn);
50 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
65 	count = ops->show(kobj, of->kn->priv, buf);
82 static ssize_t sysfs_kf_bin_read(struct kernfs_open_file *of, char *buf,
85 	const struct bin_attribute *battr = of->kn->priv;
86 	struct kobject *kobj = sysfs_file_kobj(of->kn);
87 	loff_t size = file_inode(of->file)->i_size;
102 	return battr->read(of->file, kobj, battr, buf, pos, count);
106 static ssize_t sysfs_kf_read(struct kernfs_open_file *of, char *buf,
109 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
110 	struct kobject *kobj = sysfs_file_kobj(of->kn);
114 	 * If buf != of->prealloc_buf, we don't know how
117 	if (WARN_ON_ONCE(buf != of->prealloc_buf))
119 	len = ops->show(kobj, of->kn->priv, buf);
136 static ssize_t sysfs_kf_write(struct kernfs_open_file *of, char *buf,
139 	const struct sysfs_ops *ops = sysfs_file_ops(of->kn);
140 	struct kobject *kobj = sysfs_file_kobj(of->kn);
145 	return ops->store(kobj, of->kn->priv, buf, count);
149 static ssize_t sysfs_kf_bin_write(struct kernfs_open_file *of, char *buf,
152 	const struct bin_attribute *battr = of->kn->priv;
153 	struct kobject *kobj = sysfs_file_kobj(of->kn);
154 	loff_t size = file_inode(of->file)->i_size;
167 	return battr->write(of->file, kobj, battr, buf, pos, count);
170 static int sysfs_kf_bin_mmap(struct kernfs_open_file *of,
173 	const struct bin_attribute *battr = of->kn->priv;
174 	struct kobject *kobj = sysfs_file_kobj(of->kn);
176 	return battr->mmap(of->file, kobj, battr, vma);
179 static loff_t sysfs_kf_bin_llseek(struct kernfs_open_file *of, loff_t offset,
182 	const struct bin_attribute *battr = of->kn->priv;
183 	struct kobject *kobj = sysfs_file_kobj(of->kn);
186 		return battr->llseek(of->file, kobj, battr, offset, whence);
188 		return generic_file_llseek(of->file, offset, whence);
191 static int sysfs_kf_bin_open(struct kernfs_open_file *of)
193 	const struct bin_attribute *battr = of->kn->priv;
196 		of->file->f_mapping = battr->f_mapping();
461  * With sysfs, just like kernfs, deletion of an attribute is postponed until
485  * Undo the effects of sysfs_break_active_protection(). Since this function
506  * @ns: namespace tag of the file to remove
621  *	sysfs_link_change_owner - change owner of a sysfs file.
622  *	@kobj:	object of the kernfs_node the symlink is located in.
623  *	@targ:	object of the kernfs_node the symlink points to.
624  *	@name:	name of the link.
629  * the ownership to @kuid/@kgid. The symlink is looked up in the namespace of
662  *	sysfs_file_change_owner - change owner of a sysfs file.
664  *	@name:	name of the file to change.
697  *	sysfs_change_owner - change owner of the given object.
702  * Change the owner of the default directory, files, groups, and attributes of
705  * sysfs_change_owner() takes care of the default directory entry for @kobj,
706  * the default attributes associated with the ktype of @kobj and the default
707  * attributes associated with the ktype of @kobj.
722 	/* Change the owner of the kobject itself. */
730 		 * Change owner of the default groups associated with the
731 		 * ktype of @kobj.
743  *	sysfs_emit - scnprintf equivalent, aware of PAGE_SIZE buffer.
744  *	@buf:	start of PAGE_SIZE buffer.
749  * Returns number of characters written to @buf.
769  *	sysfs_emit_at - scnprintf equivalent, aware of PAGE_SIZE buffer.
770  *	@buf:	start of PAGE_SIZE buffer.
777  * Returns number of characters written starting at &@buf[@at].
803  *	@count:	maximum number of bytes to read.
812  * Returns number of bytes written to @buf.