Re: [f2fs-dev] [PATCH v4] f2fs: compress: add compress_inode to cache compressed blockst

[Chao Yu <yuchao0@huawei.com>]

On 2021/3/5 4:20, Jaegeuk Kim wrote:
> On 02/27, Jaegeuk Kim wrote:
>> On 02/04, Chao Yu wrote:
>>> Jaegeuk,
>>>
>>> On 2021/2/2 16:00, Chao Yu wrote:
>>>> -	for (i = 0; i < dic->nr_cpages; i++) {
>>>> +	for (i = 0; i < cc->nr_cpages; i++) {
>>>>    		struct page *page = dic->cpages[i];
>>>
>>> por_fsstress still hang in this line?
>>
>> I'm stuck on testing the patches, since the latest kernel is panicking somehow.
>> Let me update later, once I can test a bit. :(
> 
> It seems this works without error.
> https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=4e6e1364dccba80ed44925870b97fbcf989b96c9

Ah, good news.

Thanks for helping to test the patch. :)

Thanks,

> 
>>
>>>
>>> Thanks,
>>>
>>>>    		block_t blkaddr;
>>>>    		struct bio_post_read_ctx *ctx;
>>>> @@ -2201,6 +2207,14 @@ int f2fs_read_multi_pages(struct compress_ctx *cc, struct bio **bio_ret,
>>>>    		blkaddr = data_blkaddr(dn.inode, dn.node_page,
>>>>    						dn.ofs_in_node + i + 1);
>>>> +		f2fs_wait_on_block_writeback(inode, blkaddr);
>>>> +
>>>> +		if (f2fs_load_compressed_page(sbi, page, blkaddr)) {
>>>> +			if (atomic_dec_and_test(&dic->remaining_pages))
>>>> +				f2fs_decompress_cluster(dic);
>>>> +			continue;
>>>> +		}
>>>> +
>>
>>
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> .
>