On Fri, Feb 10, 2023 at 03:48:05AM +0800, Kemeng Shi wrote:
> We need to set ac_g_ex to notify the goal start used in
> ext4_mb_find_by_goal. Set ac_g_ex instead of ac_f_ex in
> ext4_mb_normalize_request.
>
> Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
> ---
> fs/ext4/mballoc.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
> index 5b2ae37a8b80..0650a1dc870e 100644
> --- a/fs/ext4/mballoc.c
> +++ b/fs/ext4/mballoc.c
> @@ -4191,15 +4191,15 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
> if (ar->pright && (ar->lright == (start + size))) {
> /* merge to the right */
> ext4_get_group_no_and_offset(ac->ac_sb, ar->pright - size,
> - &ac->ac_f_ex.fe_group,
> - &ac->ac_f_ex.fe_start);
> + &ac->ac_g_ex.fe_group,
> + &ac->ac_g_ex.fe_start);
> ac->ac_flags |= EXT4_MB_HINT_TRY_GOAL;
> }
> if (ar->pleft && (ar->lleft + 1 == start)) {
> /* merge to the left */
> ext4_get_group_no_and_offset(ac->ac_sb, ar->pleft + 1,
> - &ac->ac_f_ex.fe_group,
> - &ac->ac_f_ex.fe_start);
> + &ac->ac_g_ex.fe_group,
> + &ac->ac_g_ex.fe_start);
> ac->ac_flags |= EXT4_MB_HINT_TRY_GOAL;
> }
Hi Kemeng,
Looks good, feel free to add:
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>