31 int inode_change_ok(const struct inode *inode, struct iattr *attr)  in inode_change_ok()  argument
40 		int error = inode_newsize_ok(inode, attr->ia_size);  in inode_change_ok()
51 	    (!uid_eq(current_fsuid(), inode->i_uid) ||  in inode_change_ok()
52 	     !uid_eq(attr->ia_uid, inode->i_uid)) &&  in inode_change_ok()
53 	    !capable_wrt_inode_uidgid(inode, CAP_CHOWN))  in inode_change_ok()
58 	    (!uid_eq(current_fsuid(), inode->i_uid) ||  in inode_change_ok()
59 	    (!in_group_p(attr->ia_gid) && !gid_eq(attr->ia_gid, inode->i_gid))) &&  in inode_change_ok()
60 	    !capable_wrt_inode_uidgid(inode, CAP_CHOWN))  in inode_change_ok()
65 		if (!inode_owner_or_capable(inode))  in inode_change_ok()
69 				inode->i_gid) &&  in inode_change_ok()
70 		    !capable_wrt_inode_uidgid(inode, CAP_FSETID))  in inode_change_ok()
76 		if (!inode_owner_or_capable(inode))  in inode_change_ok()
99 int inode_newsize_ok(const struct inode *inode, loff_t offset)  in inode_newsize_ok()  argument
101 	if (inode->i_size < offset) {  in inode_newsize_ok()
107 		if (offset > inode->i_sb->s_maxbytes)  in inode_newsize_ok()
115 		if (IS_SWAPFILE(inode))  in inode_newsize_ok()
142 void setattr_copy(struct inode *inode, const struct iattr *attr)  in setattr_copy()  argument
147 		inode->i_uid = attr->ia_uid;  in setattr_copy()
149 		inode->i_gid = attr->ia_gid;  in setattr_copy()
151 		inode->i_atime = timespec_trunc(attr->ia_atime,  in setattr_copy()
152 						inode->i_sb->s_time_gran);  in setattr_copy()
154 		inode->i_mtime = timespec_trunc(attr->ia_mtime,  in setattr_copy()
155 						inode->i_sb->s_time_gran);  in setattr_copy()
157 		inode->i_ctime = timespec_trunc(attr->ia_ctime,  in setattr_copy()
158 						inode->i_sb->s_time_gran);  in setattr_copy()
162 		if (!in_group_p(inode->i_gid) &&  in setattr_copy()
163 		    !capable_wrt_inode_uidgid(inode, CAP_FSETID))  in setattr_copy()
165 		inode->i_mode = mode;  in setattr_copy()
190 int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **delegated_inode)  in notify_change()
192 	struct inode *inode = dentry->d_inode;  in notify_change()  local
193 	umode_t mode = inode->i_mode;  in notify_change()
198 	WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));  in notify_change()
201 		if (IS_IMMUTABLE(inode) || IS_APPEND(inode))  in notify_change()
209 			inode->i_flags &= ~S_NOSEC;  in notify_change()
212 	now = current_fs_time(inode->i_sb);  in notify_change()
243 			attr->ia_mode = (inode->i_mode & ~S_ISUID);  in notify_change()
250 				attr->ia_mode = inode->i_mode;  in notify_change()
261 	error = try_break_deleg(inode, delegated_inode);  in notify_change()
265 	if (inode->i_op->setattr)  in notify_change()
266 		error = inode->i_op->setattr(dentry, attr);  in notify_change()