e2fsprogs: remove checker infrastructure

[tools/e2fsprogs.git] / lib / ext2fs / ext2_fs.h

diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h
index fb3f7cc..d9e14d7 100644 (file)
--- a/lib/ext2fs/ext2_fs.h
+++ b/lib/ext2fs/ext2_fs.h
@@ -159,7 +159,7 @@ struct ext2_group_desc
        __u16   bg_block_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */
        __u16   bg_inode_bitmap_csum_lo;/* crc32c(s_uuid+grp_num+bitmap) LSB */
        __u16   bg_itable_unused;       /* Unused inodes count */
-       __u16   bg_checksum;            /* crc16(s_uuid+grouo_num+group_desc)*/
+       __u16   bg_checksum;            /* crc16(s_uuid+group_num+group_desc)*/
 };
 
 /*
@@ -645,7 +645,8 @@ struct ext2_super_block {
        __u32   s_usr_quota_inum;       /* inode number of user quota file */
        __u32   s_grp_quota_inum;       /* inode number of group quota file */
        __u32   s_overhead_blocks;      /* overhead blocks/clusters in fs */
-       __u32   s_reserved[108];        /* Padding to the end of the block */
+       __u32   s_backup_bgs[2];        /* If sparse_super2 enabled */
+       __u32   s_reserved[106];        /* Padding to the end of the block */
        __u32   s_checksum;             /* crc32c(superblock) */
 };
 
@@ -696,6 +697,7 @@ struct ext2_super_block {
 #define EXT2_FEATURE_COMPAT_LAZY_BG            0x0040
 /* #define EXT2_FEATURE_COMPAT_EXCLUDE_INODE   0x0080 not used, legacy */
 #define EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP     0x0100
+#define EXT4_FEATURE_COMPAT_SPARSE_SUPER2      0x0200
 
 
 #define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER    0x0001