static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode) { struct bin_attribute *bin_attr; struct sysfs_inode_attrs *iattrs; inode->i_private = sysfs_get(sd); inode->i_mapping->a_ops = &sysfs_aops; inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info; inode->i_op = &sysfs_inode_operations; inode->i_ino = sd->s_ino; lockdep_set_class(&inode->i_mutex, &sysfs_inode_imutex_key); iattrs = sd->s_iattr; if (iattrs) { /* sysfs_dirent has non-default attributes * get them for the new inode from persistent copy * in sysfs_dirent */ set_inode_attr(inode, &iattrs->ia_iattr); if (iattrs->ia_secdata) security_inode_notifysecctx(inode, iattrs->ia_secdata, iattrs->ia_secdata_len); } else set_default_inode_attr(inode, sd->s_mode); /* initialize inode according to type */ switch (sysfs_type(sd)) { case SYSFS_DIR: inode->i_op = &sysfs_dir_inode_operations; inode->i_fop = &sysfs_dir_operations; inode->i_nlink = sysfs_count_nlink(sd); break; case SYSFS_KOBJ_ATTR: inode->i_size = PAGE_SIZE; inode->i_fop = &sysfs_file_operations; break; case SYSFS_KOBJ_BIN_ATTR: bin_attr = sd->s_bin_attr.bin_attr; inode->i_size = bin_attr->size; inode->i_fop = &bin_fops; break; case SYSFS_KOBJ_LINK: inode->i_op = &sysfs_symlink_inode_operations; break; default: BUG(); } unlock_new_inode(inode); }
static void sysfs_refresh_inode(struct sysfs_dirent *sd, struct inode *inode) { struct sysfs_inode_attrs *iattrs = sd->s_iattr; inode->i_mode = sd->s_mode; if (iattrs) { /* sysfs_dirent has non-default attributes * get them from persistent copy in sysfs_dirent */ set_inode_attr(inode, &iattrs->ia_iattr); security_inode_notifysecctx(inode, iattrs->ia_secdata, iattrs->ia_secdata_len); } if (sysfs_type(sd) == SYSFS_DIR) inode->i_nlink = sysfs_count_nlink(sd); }
static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode) { inode->i_blocks = 0; inode->i_mapping->a_ops = &sysfs_aops; inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info; inode->i_op = &sysfs_inode_operations; inode->i_ino = sd->s_ino; lockdep_set_class(&inode->i_mutex, &sysfs_inode_imutex_key); if (sd->s_iattr) { /* sysfs_dirent has non-default attributes * get them for the new inode from persistent copy * in sysfs_dirent */ set_inode_attr(inode, sd->s_iattr); } else set_default_inode_attr(inode, sd->s_mode); }
static void kernfs_refresh_inode(struct kernfs_node *kn, struct inode *inode) { struct kernfs_iattrs *attrs = kn->iattr; inode->i_mode = kn->mode; if (attrs) { /* * kernfs_node has non-default attributes get them from * persistent copy in kernfs_node. */ set_inode_attr(inode, &attrs->ia_iattr); security_inode_notifysecctx(inode, attrs->ia_secdata, attrs->ia_secdata_len); } if (kernfs_type(kn) == KERNFS_DIR) set_nlink(inode, kn->dir.subdirs + 2); }