Re: [PATCH v9 02/11] f2fs: describe SIT block layout dynamically

[Chao Yu]

On 9/4/26 07:56, Kelvin Zhang wrote:
> An SIT block consists of an on-disk array of struct f2fs_sit_entry elements
> whose total capacity depends on the filesystem block size. The existing
> fixed SIT_ENTRY_PER_BLOCK macro hardcodes a 4KB block size.
>
> Convert the entries array in struct f2fs_sit_block into a C flexible array
> member, and calculate sbi->sit_entries_per_block dynamically in
> init_sb_info().
>
> Parameterize SIT indexing helpers (SIT_ENTRY_PER_BLOCK, SIT_BLOCK_OFFSET,
> SIT_BLK_CNT, and f2fs_start_segno) to take struct f2fs_sb_info *sbi, and
> update all call sites across segment management, checkpointing, and mount.
>
> This is a layout-only change; valid 4KB filesystems retain identical
> runtime geometry and behavior.
>
> Signed-off-by: Kelvin Zhang <zhangxp1998@xxxxxxxxx>

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,