40 	if (kn->iattr || !alloc)  in __kernfs_iattrs()
43 	kn->iattr = kmem_cache_zalloc(kernfs_iattrs_cache, GFP_KERNEL);  in __kernfs_iattrs()
44 	if (!kn->iattr)  in __kernfs_iattrs()
48 	kn->iattr->ia_uid = GLOBAL_ROOT_UID;  in __kernfs_iattrs()
49 	kn->iattr->ia_gid = GLOBAL_ROOT_GID;  in __kernfs_iattrs()
51 	ktime_get_real_ts64(&kn->iattr->ia_atime);  in __kernfs_iattrs()
52 	kn->iattr->ia_mtime = kn->iattr->ia_atime;  in __kernfs_iattrs()
53 	kn->iattr->ia_ctime = kn->iattr->ia_atime;  in __kernfs_iattrs()
55 	simple_xattrs_init(&kn->iattr->xattrs);  in __kernfs_iattrs()
56 	atomic_set(&kn->iattr->nr_user_xattrs, 0);  in __kernfs_iattrs()
57 	atomic_set(&kn->iattr->user_xattr_size, 0);  in __kernfs_iattrs()
59 	ret = kn->iattr;  in __kernfs_iattrs()
74 int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)  in __kernfs_setattr()  argument
77 	unsigned int ia_valid = iattr->ia_valid;  in __kernfs_setattr()
84 		attrs->ia_uid = iattr->ia_uid;  in __kernfs_setattr()
86 		attrs->ia_gid = iattr->ia_gid;  in __kernfs_setattr()
88 		attrs->ia_atime = iattr->ia_atime;  in __kernfs_setattr()
90 		attrs->ia_mtime = iattr->ia_mtime;  in __kernfs_setattr()
92 		attrs->ia_ctime = iattr->ia_ctime;  in __kernfs_setattr()
94 		kn->mode = iattr->ia_mode;  in __kernfs_setattr()
105 int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)  in kernfs_setattr()  argument
110 	ret = __kernfs_setattr(kn, iattr);  in kernfs_setattr()
115 int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr)  in kernfs_iop_setattr()  argument
125 	error = setattr_prepare(dentry, iattr);  in kernfs_iop_setattr()
129 	error = __kernfs_setattr(kn, iattr);  in kernfs_iop_setattr()
134 	setattr_copy(inode, iattr);  in kernfs_iop_setattr()
172 	struct kernfs_iattrs *attrs = kn->iattr;  in kernfs_refresh_inode()
338 	atomic_t *sz = &kn->iattr->user_xattr_size;  in kernfs_vfs_user_xattr_add()
339 	atomic_t *nr = &kn->iattr->nr_user_xattrs;  in kernfs_vfs_user_xattr_add()
372 	atomic_t *sz = &kn->iattr->user_xattr_size;  in kernfs_vfs_user_xattr_rm()
373 	atomic_t *nr = &kn->iattr->nr_user_xattrs;  in kernfs_vfs_user_xattr_rm()