19 int inode_change_ok(struct inode *inode, struct iattr *attr)  in inode_change_ok()  argument
22 	unsigned int ia_valid = attr->ia_valid;  in inode_change_ok()
31 	     attr->ia_uid != inode->i_uid) && !capable(CAP_CHOWN))  in inode_change_ok()
37 	    (!in_group_p(attr->ia_gid) && attr->ia_gid != inode->i_gid)) &&  in inode_change_ok()
46 		if (!in_group_p((ia_valid & ATTR_GID) ? attr->ia_gid :  in inode_change_ok()
48 			attr->ia_mode &= ~S_ISGID;  in inode_change_ok()
62 int inode_setattr(struct inode * inode, struct iattr * attr)  in inode_setattr()  argument
64 	unsigned int ia_valid = attr->ia_valid;  in inode_setattr()
68 		error = vmtruncate(inode, attr->ia_size);  in inode_setattr()
74 		inode->i_uid = attr->ia_uid;  in inode_setattr()
76 		inode->i_gid = attr->ia_gid;  in inode_setattr()
78 		inode->i_atime = attr->ia_atime;  in inode_setattr()
80 		inode->i_mtime = attr->ia_mtime;  in inode_setattr()
82 		inode->i_ctime = attr->ia_ctime;  in inode_setattr()
84 		inode->i_mode = attr->ia_mode;  in inode_setattr()
115 int notify_change(struct dentry * dentry, struct iattr * attr)  in notify_change()  argument
120 	unsigned int ia_valid = attr->ia_valid;  in notify_change()
125 	attr->ia_ctime = now;  in notify_change()
127 		attr->ia_atime = now;  in notify_change()
129 		attr->ia_mtime = now;  in notify_change()
133 		error = inode->i_op->setattr(dentry, attr);  in notify_change()
135 		error = inode_change_ok(inode, attr);  in notify_change()
137 			if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||  in notify_change()
138 			    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))  in notify_change()
139 				error = DQUOT_TRANSFER(inode, attr) ? -EDQUOT : 0;  in notify_change()
141 				error = inode_setattr(inode, attr);  in notify_change()