Re: [PATCH] btrfs: zoned: propagate do_zone_finish() error in btrfs_zone_finish_endio()

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

在 2026/8/19 08:11, Qu Wenruo 写道:
> 
> 
> 在 2026/8/18 19:30, Johannes Thumshirn 写道:
>> btrfs_zone_finish_endio() ignored the return value of do_zone_finish()
>> and always returned 0, silently dropping a failed zone finish.
>>
>> Instead propagate any error from do_zone_finish() as the caller
>> btrfs_finish_ordered_io() already handles it.
>>
>> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> 
> Reviewed-by: Qu Wenruo <wqu@suse.com>

BTW, you may still want to check the sashiko review, which exposed an 
pre-existing bug in the error handling path:

https://sashiko.dev/#/patchset/20260818100037.1366563-1-johannes.thumshirn%40wdc.com

> 
> Thanks,
> Qu
> 
>> ---
>>   fs/btrfs/zoned.c | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
>> index a016cb471beb..82c2394dd43c 100644
>> --- a/fs/btrfs/zoned.c
>> +++ b/fs/btrfs/zoned.c
>> @@ -2713,6 +2713,7 @@ int btrfs_zone_finish_endio(struct btrfs_fs_info 
>> *fs_info, u64 logical, u64 leng
>>   {
>>       struct btrfs_block_group *block_group;
>>       u64 min_alloc_bytes;
>> +    int ret = 0;
>>       if (!btrfs_is_zoned(fs_info))
>>           return 0;
>> @@ -2732,11 +2733,11 @@ int btrfs_zone_finish_endio(struct 
>> btrfs_fs_info *fs_info, u64 logical, u64 leng
>>           block_group->start + block_group->zone_capacity)
>>           goto out;
>> -    do_zone_finish(block_group, true);
>> +    ret = do_zone_finish(block_group, true);
>>   out:
>>       btrfs_put_block_group(block_group);
>> -    return 0;
>> +    return ret;
>>   }
>>   static void btrfs_zone_finish_endio_workfn(struct work_struct *work)
> 
>