ober 31, 2017 10:32 PM
>>>> To: Fan Li; 'Jaegeuk Kim'
>>>> Cc: linux-kernel@vger.kernel.org;
>>>> linux-f2fs-de...@lists.sourceforge.net
>>>> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedure of scan
>>>> free nid
>>>>
ober 31, 2017 10:32 PM
>>>> To: Fan Li; 'Jaegeuk Kim'
>>>> Cc: linux-kernel@vger.kernel.org;
>>>> linux-f2fs-de...@lists.sourceforge.net
>>>> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedure of scan
>>>> free nid
>>>>
> -Original Message-
> From: Chao Yu [mailto:c...@kernel.org]
> Sent: Wednesday, November 01, 2017 8:47 PM
> To: Fan Li; 'Jaegeuk Kim'
> Cc: linux-kernel@vger.kernel.org; linux-f2fs-de...@lists.sourceforge.net
> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedur
> -Original Message-
> From: Chao Yu [mailto:c...@kernel.org]
> Sent: Wednesday, November 01, 2017 8:47 PM
> To: Fan Li; 'Jaegeuk Kim'
> Cc: linux-kernel@vger.kernel.org; linux-f2fs-de...@lists.sourceforge.net
> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedur
et
>> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedure of scan free nid
>>
>> On 2017/10/31 21:37, Fan Li wrote:
>>> In current version, we preserve 8 pages of nat blocks as free nids,
>>> build bitmaps for it and use them to allocate nids until its
et
>> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedure of scan free nid
>>
>> On 2017/10/31 21:37, Fan Li wrote:
>>> In current version, we preserve 8 pages of nat blocks as free nids,
>>> build bitmaps for it and use them to allocate nids until its
> -Original Message-
> From: Chao Yu [mailto:c...@kernel.org]
> Sent: Tuesday, October 31, 2017 10:32 PM
> To: Fan Li; 'Jaegeuk Kim'
> Cc: linux-kernel@vger.kernel.org; linux-f2fs-de...@lists.sourceforge.net
> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedur
> -Original Message-
> From: Chao Yu [mailto:c...@kernel.org]
> Sent: Tuesday, October 31, 2017 10:32 PM
> To: Fan Li; 'Jaegeuk Kim'
> Cc: linux-kernel@vger.kernel.org; linux-f2fs-de...@lists.sourceforge.net
> Subject: Re: [f2fs-dev] [PATCH] f2fs: modify the procedur
On 2017/10/31 21:37, Fan Li wrote:
> In current version, we preserve 8 pages of nat blocks as free nids,
> build bitmaps for it and use them to allocate nids until its number
> drops below NAT_ENTRY_PER_BLOCK.
>
> After that, we have a problem, scan_free_nid_bits will scan the same
> 8 pages
On 2017/10/31 21:37, Fan Li wrote:
> In current version, we preserve 8 pages of nat blocks as free nids,
> build bitmaps for it and use them to allocate nids until its number
> drops below NAT_ENTRY_PER_BLOCK.
>
> After that, we have a problem, scan_free_nid_bits will scan the same
> 8 pages
In current version, we preserve 8 pages of nat blocks as free nids,
build bitmaps for it and use them to allocate nids until its number
drops below NAT_ENTRY_PER_BLOCK.
After that, we have a problem, scan_free_nid_bits will scan the same
8 pages trying to find more free nids, but in most cases
In current version, we preserve 8 pages of nat blocks as free nids,
build bitmaps for it and use them to allocate nids until its number
drops below NAT_ENTRY_PER_BLOCK.
After that, we have a problem, scan_free_nid_bits will scan the same
8 pages trying to find more free nids, but in most cases
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