Re: [f2fs-dev] [PATCH v3 09/12] f2fs: cache: use compress cache

[Chao Yu <chao@kernel.org>]

On 8/27/26 04:04, Daeho Jeong wrote:
> On Tue, Aug 25, 2026 at 6:03 AM Chao Yu via Linux-f2fs-devel
>> +               f2fs_lock_cache(entry);
>>
>> -                       if (ino != folio_get_f2fs_data(folio)) {
>> -                               folio_unlock(folio);
>> -                               continue;
>> -                       }
>> -
>> -                       generic_error_remove_folio(mapping, folio);
>> -                       folio_unlock(folio);
>> +               if (!f2fs_is_compress_cache(entry)) {
> 
> How is this possible?
> or if (!entry->cache)?

I suffer a panic from f2fs_bug_on(sbi, !f2fs_is_compress_cache(entry)) here,
it may suffer race condition w/ shrinker.

Thanks,