Re: [PATCH RFC] f2fs: combine nat_bits and free_nid_bitmap cache

2017-03-06 Thread Chao Yu
Hi Jaegeuk, On 2017/3/3 3:10, Jaegeuk Kim wrote: > Hi Chao, > > On 03/01, Chao Yu wrote: >> Both nat_bits cache and free_nid_bitmap cache provide same functionality >> as a intermediate cache between free nid cache and disk, but with >> different granularity of indicating free nid range, and diff

Re: [PATCH RFC] f2fs: combine nat_bits and free_nid_bitmap cache

2017-03-02 Thread Jaegeuk Kim
Hi Chao, On 03/01, Chao Yu wrote: > Both nat_bits cache and free_nid_bitmap cache provide same functionality > as a intermediate cache between free nid cache and disk, but with > different granularity of indicating free nid range, and different > persistence policy. nat_bits cache provides better

Re: [f2fs-dev] [PATCH RFC] f2fs: combine nat_bits and free_nid_bitmap cache

2017-03-01 Thread Kinglong Mee
On 3/2/2017 09:35, Chao Yu wrote: > On 2017/3/1 21:09, Kinglong Mee wrote: >> On 3/1/2017 17:10, Chao Yu wrote: >>> Both nat_bits cache and free_nid_bitmap cache provide same functionality >>> as a intermediate cache between free nid cache and disk, but with >>> different granularity of indicating

Re: [f2fs-dev] [PATCH RFC] f2fs: combine nat_bits and free_nid_bitmap cache

2017-03-01 Thread Chao Yu
On 2017/3/1 21:09, Kinglong Mee wrote: > On 3/1/2017 17:10, Chao Yu wrote: >> Both nat_bits cache and free_nid_bitmap cache provide same functionality >> as a intermediate cache between free nid cache and disk, but with >> different granularity of indicating free nid range, and different >> persist

Re: [f2fs-dev] [PATCH RFC] f2fs: combine nat_bits and free_nid_bitmap cache

2017-03-01 Thread Kinglong Mee
On 3/1/2017 17:10, Chao Yu wrote: > Both nat_bits cache and free_nid_bitmap cache provide same functionality > as a intermediate cache between free nid cache and disk, but with > different granularity of indicating free nid range, and different > persistence policy. nat_bits cache provides better p

[PATCH RFC] f2fs: combine nat_bits and free_nid_bitmap cache

2017-03-01 Thread Chao Yu
Both nat_bits cache and free_nid_bitmap cache provide same functionality as a intermediate cache between free nid cache and disk, but with different granularity of indicating free nid range, and different persistence policy. nat_bits cache provides better persistence ability, and free_nid_bitmap pr