On Thu, Sep 28, 2006 at 10:55:15AM +0200, Alexandre Ratchov wrote:
> struct ext4_super_block
> {
> /* at offset 0xfe */
> __le32 s_desc_size; /* Group descriptor size */
> /* at offset 0x150 */
> __le32 s_blocks_count_hi; /* Blocks count */
> __le32 s_r_blocks_count_hi; /* Reserved blocks count */
> __le32 s_free_blocks_count_hi; /* Free blocks count */
> __le32 s_jnl_blocks_hi[17]; /* Backup of the journal inode */
> };
Why do we need to have the high blocks # of the journal inode.
s_jnl_blocks was just a backup of the i_blocks[] array. But if we are
assuming that we will only support 64-bits using extents, we shouldn't
need s_jnl_blocks_hi[]. How specifically is this array being used in
the patches?
- Ted
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