@@ -200,6 +200,20 @@ struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
return inode;
}
+static int ocfs2_dinode_has_extents(struct ocfs2_dinode *di)
+{
+ /* inodes flagged with other stuff in id2 */
+ if (di->i_flags & (OCFS2_SUPER_BLOCK_FL | OCFS2_LOCAL_ALLOC_FL |
+ OCFS2_CHAIN_FL | OCFS2_DEALLOC_FL))
+ return 0;
+ /* i_flags doesn't indicate when id2 is a fast symlink */
+ if (S_ISLNK(di->i_mode) && di->i_size && di->i_clusters == 0)
+ return 0;
+ if (di->i_dyn_features & OCFS2_INLINE_DATA_FL)
+ return 0;
+
+ return 1;
+}
/*
* here's how inodes get read from disk:
@@ -1547,6 +1561,16 @@ static int ocfs2_filecheck_repair_inode_block(struct super_block *sb,
le32_to_cpu(di->i_fs_generation));
}
+ if (ocfs2_dinode_has_extents(di) &&
+ le16_to_cpu(di->id2.i_list.l_next_free_rec) > le16_to_cpu(di->id2.i_list.l_count)) {
+ di->id2.i_list.l_next_free_rec = di->id2.i_list.l_count;
+ changed = 1;
+ mlog(ML_ERROR,
+ "Filecheck: reset dinode #%llu: l_next_free_rec to %u\n",
+ (unsigned long long)bh->b_blocknr,
+ le16_to_cpu(di->id2.i_list.l_next_free_rec));
+ }
+
if (changed || ocfs2_validate_meta_ecc(sb, bh->b_data, &di->i_check)) {
ocfs2_compute_meta_ecc(sb, bh->b_data, &di->i_check);
mark_buffer_dirty(bh);