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@xxxxxxxxxxxxxxx> > --- > 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@xxxxxxxxxxxxx>