Changeset e2f20b9e in mainline for uspace/lib/ext4/src/superblock.c

Timestamp:

2018-12-13T13:29:38Z (7 years ago)

Author:

Maurizio Lombardi <mlombard@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6ea5e7a

Parents:

91fcbabc

Message:

libext4: fixes to flex support in ext4_balloc_get_first_data_block_in_group()

The "first data block in group" was not calculated correctly.
As a consequence, the ext4 filesystem was not able to fully utilize
the available disk space

File:

• uspace/lib/ext4/src/superblock.c (modified) (1 diff)

uspace/lib/ext4/src/superblock.c

@@ -1394 +1394 @@
 {
         sb->reserved_gdt_blocks = host2uint32_t_le(n);
+}
+
+/** Get the size of the flex groups
+ *
+ * @param sb    Pointer to the superblock
+ *
+ * @return      Size of the flex groups
+ */
+uint32_t ext4_superblock_get_flex_group_size(ext4_superblock_t *sb)
+{
+        return 2 << sb->log_groups_per_flex;
 }