return err;
}
-#define UDF_MAP_CREATE 0x01 /* Mapping can allocate new blocks */
+#define UDF_MAP_CREATE 0x01 /* Mapping can allocate new blocks */
+#define UDF_MAP_NOPREALLOC 0x02 /* Do not preallocate blocks */
#define UDF_BLK_MAPPED 0x01 /* Block was successfully mapped */
#define UDF_BLK_NEW 0x02 /* Block was freshly allocated */
.iflags = create ? UDF_MAP_CREATE : 0,
};
+ /*
+ * We preallocate blocks only for regular files. It also makes sense
+ * for directories but there's a problem when to drop the
+ * preallocation. We might use some delayed work for that but I feel
+ * it's overengineering for a filesystem like UDF.
+ */
+ if (!S_ISREG(inode->i_mode))
+ map.iflags |= UDF_MAP_NOPREALLOC;
err = udf_map_block(inode, &map);
if (err < 0)
return err;
* block */
udf_split_extents(inode, &c, offset, newblocknum, laarr, &endnum);
- /* We preallocate blocks only for regular files. It also makes sense
- * for directories but there's a problem when to drop the
- * preallocation. We might use some delayed work for that but I feel
- * it's overengineering for a filesystem like UDF. */
- if (S_ISREG(inode->i_mode))
+ if (!(map->iflags & UDF_MAP_NOPREALLOC))
udf_prealloc_extents(inode, c, lastblock, laarr, &endnum);
/* merge any continuous blocks in laarr */