old_blkaddr = dn->data_blkaddr;
        f2fs_allocate_data_block(sbi, NULL, old_blkaddr, &dn->data_blkaddr,
                                &sum, seg_type, NULL);
-       if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
-               invalidate_mapping_pages(META_MAPPING(sbi),
-                                       old_blkaddr, old_blkaddr);
-               f2fs_invalidate_compress_page(sbi, old_blkaddr);
-       }
+       if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO)
+               f2fs_invalidate_internal_cache(sbi, old_blkaddr);
+
        f2fs_update_data_blkaddr(dn, dn->data_blkaddr);
        return 0;
 }
 
        return f2fs_sb_has_readonly(sbi) || f2fs_readonly(sbi->sb);
 }
 
+static inline void f2fs_invalidate_internal_cache(struct f2fs_sb_info *sbi,
+                                                               block_t blkaddr)
+{
+       invalidate_mapping_pages(META_MAPPING(sbi), blkaddr, blkaddr);
+       f2fs_invalidate_compress_page(sbi, blkaddr);
+}
+
 #define EFSBADCRC      EBADMSG         /* Bad CRC detected */
 #define EFSCORRUPTED   EUCLEAN         /* Filesystem is corrupted */
 
 
        memcpy(page_address(fio.encrypted_page),
                                page_address(mpage), PAGE_SIZE);
        f2fs_put_page(mpage, 1);
-       invalidate_mapping_pages(META_MAPPING(fio.sbi),
-                               fio.old_blkaddr, fio.old_blkaddr);
-       f2fs_invalidate_compress_page(fio.sbi, fio.old_blkaddr);
+
+       f2fs_invalidate_internal_cache(fio.sbi, fio.old_blkaddr);
 
        set_page_dirty(fio.encrypted_page);
        if (clear_page_dirty_for_io(fio.encrypted_page))
 
        if (addr == NEW_ADDR || addr == COMPRESS_ADDR)
                return;
 
-       invalidate_mapping_pages(META_MAPPING(sbi), addr, addr);
-       f2fs_invalidate_compress_page(sbi, addr);
+       f2fs_invalidate_internal_cache(sbi, addr);
 
        /* add it into sit main buffer */
        down_write(&sit_i->sentry_lock);
 reallocate:
        f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
                        &fio->new_blkaddr, sum, type, fio);
-       if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO) {
-               invalidate_mapping_pages(META_MAPPING(fio->sbi),
-                                       fio->old_blkaddr, fio->old_blkaddr);
-               f2fs_invalidate_compress_page(fio->sbi, fio->old_blkaddr);
-       }
+       if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
+               f2fs_invalidate_internal_cache(fio->sbi, fio->old_blkaddr);
 
        /* writeout dirty page into bdev */
        f2fs_submit_page_write(fio);
                update_sit_entry(sbi, new_blkaddr, 1);
        }
        if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO) {
-               invalidate_mapping_pages(META_MAPPING(sbi),
-                                       old_blkaddr, old_blkaddr);
-               f2fs_invalidate_compress_page(sbi, old_blkaddr);
+               f2fs_invalidate_internal_cache(sbi, old_blkaddr);
                if (!from_gc)
                        update_segment_mtime(sbi, old_blkaddr, 0);
                update_sit_entry(sbi, old_blkaddr, -1);