Re: [PATCH 3/8] ext4: fix wrong unit use in ext4_mb_new_inode_pa

From: Kemeng Shi
Date: Wed Apr 05 2023 - 21:36:26 EST




on 4/6/2023 3:26 AM, Ojaswin Mujoo wrote:
> On Wed, Mar 22, 2023 at 12:12:15AM +0800, Kemeng Shi wrote:
>> fe_logical and win are both in block unit. Remove wrong convertion for
>> win from block unit to cluster unit.
>>
>> Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
>> ---
>> fs/ext4/mballoc.c | 3 +--
>> 1 file changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
>> index 7f695830621a..86d978e1f7dc 100644
>> --- a/fs/ext4/mballoc.c
>> +++ b/fs/ext4/mballoc.c
>> @@ -4640,8 +4640,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
>> if (offs && offs < win)
>> win = offs;
>>
>> - ac->ac_b_ex.fe_logical = ac->ac_o_ex.fe_logical -
>> - EXT4_NUM_B2C(sbi, win);
>> + ac->ac_b_ex.fe_logical = ac->ac_o_ex.fe_logical - win;
>> BUG_ON(ac->ac_o_ex.fe_logical < ac->ac_b_ex.fe_logical);
>> BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len);
>
> So this bit of code is removed in the patchset I sent here [1]. My patchset
> is mostly ready to be merged and Ted did mention that he was going to
> pick that up soon. So would it be okay with you if we drop this particular patch?
Sure, I will drop this in next version.
>> }
>> --
>> 2.30.0
>>
>

--
Best wishes
Kemeng Shi