+
+ /*
+ * Mark mballoc pages as not up to date so that they will be updated
+ * next time they are loaded by ext4_mb_load_buddy.
+ */
+ if (test_opt(sb, MBALLOC)) {
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ struct inode *inode = sbi->s_buddy_cache;
+ int blocks_per_page;
+ int block;
+ int pnum;
+ struct page *page;
+
+ /* Set buddy page as not up to date */
+ blocks_per_page = PAGE_CACHE_SIZE / sb->s_blocksize;
+ block = group * 2;
+ pnum = block / blocks_per_page;
+ page = find_get_page(inode->i_mapping, pnum);
+ if (page != NULL) {
+ ClearPageUptodate(page);
+ page_cache_release(page);
+ }
+
+ /* Set bitmap page as not up to date */
+ block++;
+ pnum = block / blocks_per_page;
+ page = find_get_page(inode->i_mapping, pnum);
+ if (page != NULL) {
+ ClearPageUptodate(page);
+ page_cache_release(page);
+ }
+
+ /* Get the info on the last group */
+ grp = ext4_get_group_info(sb, group);
+
+ /* Update free blocks in group info */
+ ext4_mb_update_group_info(grp, add);
+ }
+