} while (0)
-
-static inline void inode_to_iattr(struct inode *inode, struct iattr *tmp)
+static inline struct page *addr_to_page(char *buf)
{
- tmp->ia_mode = inode->i_mode;
- tmp->ia_uid = inode->i_uid;
- tmp->ia_gid = inode->i_gid;
- tmp->ia_size = inode->i_size;
- tmp->ia_atime = inode->i_atime;
- tmp->ia_mtime = inode->i_mtime;
- tmp->ia_ctime = inode->i_ctime;
- /* tmp->ia_flags = inode->i_flags; */
-
- tmp->ia_valid = ~0;
-}
-
-
-#define OBD_MAGIC_INL 0x77777770
+ unsigned long addr = (unsigned long)buf;
+ unsigned long map_nr;
-
-static inline void inode_cpy(struct inode *dest, struct inode *src)
-{
- dest->i_mode = src->i_mode;
- dest->i_uid = src->i_uid;
- dest->i_gid = src->i_gid;
- dest->i_size = src->i_size;
- dest->i_atime = src->i_atime;
- dest->i_mtime = src->i_mtime;
- dest->i_ctime = src->i_ctime;
- dest->i_flags = src->i_flags;
- /* allocation of space */
- dest->i_blocks = src->i_blocks;
- if ( !src->i_blocks ||
- OBD_MAGIC_INL == (OBD_MAGIC_INL & src->u.ext2_i.i_data[0])) {
- CDEBUG(D_IOCTL, "copying inline data: ino %ld\n", dest->i_ino);
- memcpy(&dest->u.ext2_i.i_data, &src->u.ext2_i.i_data,
- sizeof(src->u.ext2_i.i_data));
- }
+#ifdef CONFIG_DISCONTIGMEM
+ if (addr == 0) return;
+#endif
+ map_nr = MAP_NR(addr);
+ if (map_nr < max_mapnr)
+ return mem_map + map_nr;
+ else
+ return 0;
}