shithub: lwext4

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ext4_mkfs is able to create image with sblock and basic features

TBD:
 - block groups descriptors
 - ext3/ext4 feature handling
 - root and lost+found directories
 - journal inode

--- a/lwext4/ext4_mkfs.c

+++ b/lwext4/ext4_mkfs.c

@@ -391,12 +391,12 @@

 	info->inodes_per_group = compute_inodes_per_group(info);

-	info->feat_compat = CONFIG_SUPPORTED_FCOM;

-	info->feat_ro_compat = CONFIG_SUPPORTED_FRO_COM;

-	info->feat_incompat = CONFIG_SUPPORTED_FINCOM;

+	info->feat_compat = EXT2_SUPPORTED_FCOM;

+	info->feat_ro_compat = EXT2_SUPPORTED_FRO_COM;

+	info->feat_incompat = EXT2_SUPPORTED_FINCOM;

 	if (info->no_journal == 0)

-		info->feat_compat |= EXT4_FCOM_HAS_JOURNAL;

+		info->feat_compat |= 0;

 	info->bg_desc_reserve_blocks = compute_bg_desc_reserve_blocks(info);