147 #define EXT_FIRST_EXTENT(__hdr__) \  argument
148 	((struct ext4_extent *) (((char *) (__hdr__)) +		\
150 #define EXT_FIRST_INDEX(__hdr__) \  argument
151 	((struct ext4_extent_idx *) (((char *) (__hdr__)) +	\
156 #define EXT_LAST_EXTENT(__hdr__) \  argument
157 	(EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1)
158 #define EXT_LAST_INDEX(__hdr__) \  argument
159 	(EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_entries) - 1)
160 #define EXT_MAX_EXTENT(__hdr__)	\  argument
161 	((le16_to_cpu((__hdr__)->eh_max)) ? \
162 	((EXT_FIRST_EXTENT((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1)) \
164 #define EXT_MAX_INDEX(__hdr__) \  argument
165 	((le16_to_cpu((__hdr__)->eh_max)) ? \
166 	((EXT_FIRST_INDEX((__hdr__)) + le16_to_cpu((__hdr__)->eh_max) - 1)) : 0)