sysfs_setattr     733 fs/sysfs/dir.c 	.setattr	= sysfs_setattr,
sysfs_setattr     589 fs/sysfs/file.c 	rc = sysfs_setattr(victim, &newattrs);
sysfs_setattr      37 fs/sysfs/inode.c 	.setattr	= sysfs_setattr,
sysfs_setattr     146 fs/sysfs/sysfs.h int sysfs_setattr(struct dentry *dentry, struct iattr *iattr);