Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-28 Thread Jaegeuk Kim
On 12/28, Hyunchul Lee wrote: > Hi Jaegeuk, > > On 12/28/2017 12:26 PM, Jaegeuk Kim wrote: > > On 12/23, Chao Yu wrote: > >> On 2017/12/15 10:06, Jaegeuk Kim wrote: > >>> On 12/14, Hyunchul Lee wrote: > Hi Jaegeuk, > > I need your comment about the fs_iohint mount option. > >

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-28 Thread Jaegeuk Kim
On 12/28, Hyunchul Lee wrote: > Hi Jaegeuk, > > On 12/28/2017 12:26 PM, Jaegeuk Kim wrote: > > On 12/23, Chao Yu wrote: > >> On 2017/12/15 10:06, Jaegeuk Kim wrote: > >>> On 12/14, Hyunchul Lee wrote: > Hi Jaegeuk, > > I need your comment about the fs_iohint mount option. > >

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-27 Thread Hyunchul Lee
Hi Jaegeuk, On 12/28/2017 12:26 PM, Jaegeuk Kim wrote: > On 12/23, Chao Yu wrote: >> On 2017/12/15 10:06, Jaegeuk Kim wrote: >>> On 12/14, Hyunchul Lee wrote: Hi Jaegeuk, I need your comment about the fs_iohint mount option. a) w/o fs_iohint, propagate user hints to low

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-27 Thread Hyunchul Lee
Hi Jaegeuk, On 12/28/2017 12:26 PM, Jaegeuk Kim wrote: > On 12/23, Chao Yu wrote: >> On 2017/12/15 10:06, Jaegeuk Kim wrote: >>> On 12/14, Hyunchul Lee wrote: Hi Jaegeuk, I need your comment about the fs_iohint mount option. a) w/o fs_iohint, propagate user hints to low

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-27 Thread Jaegeuk Kim
On 12/23, Chao Yu wrote: > On 2017/12/15 10:06, Jaegeuk Kim wrote: > > On 12/14, Hyunchul Lee wrote: > >> Hi Jaegeuk, > >> > >> I need your comment about the fs_iohint mount option. > >> > >> a) w/o fs_iohint, propagate user hints to low layer. > >> b) w/ fs_iohint, ignore user hints, and use

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-27 Thread Jaegeuk Kim
On 12/23, Chao Yu wrote: > On 2017/12/15 10:06, Jaegeuk Kim wrote: > > On 12/14, Hyunchul Lee wrote: > >> Hi Jaegeuk, > >> > >> I need your comment about the fs_iohint mount option. > >> > >> a) w/o fs_iohint, propagate user hints to low layer. > >> b) w/ fs_iohint, ignore user hints, and use

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-23 Thread Chao Yu
On 2017/12/15 10:06, Jaegeuk Kim wrote: > On 12/14, Hyunchul Lee wrote: >> Hi Jaegeuk, >> >> I need your comment about the fs_iohint mount option. >> >> a) w/o fs_iohint, propagate user hints to low layer. >> b) w/ fs_iohint, ignore user hints, and use hints which is generated >> with F2FS. >> >>

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-23 Thread Chao Yu
On 2017/12/15 10:06, Jaegeuk Kim wrote: > On 12/14, Hyunchul Lee wrote: >> Hi Jaegeuk, >> >> I need your comment about the fs_iohint mount option. >> >> a) w/o fs_iohint, propagate user hints to low layer. >> b) w/ fs_iohint, ignore user hints, and use hints which is generated >> with F2FS. >> >>

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-17 Thread Hyunchul Lee
Hi Jaegeuk, Agreed. If Chao agrees with this policy, I will implement it. Thanks for the comment. On 12/15/2017 11:06 AM, Jaegeuk Kim wrote: > On 12/14, Hyunchul Lee wrote: >> Hi Jaegeuk, >> >> I need your comment about the fs_iohint mount option. >> >> a) w/o fs_iohint, propagate user hints to

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-17 Thread Hyunchul Lee
Hi Jaegeuk, Agreed. If Chao agrees with this policy, I will implement it. Thanks for the comment. On 12/15/2017 11:06 AM, Jaegeuk Kim wrote: > On 12/14, Hyunchul Lee wrote: >> Hi Jaegeuk, >> >> I need your comment about the fs_iohint mount option. >> >> a) w/o fs_iohint, propagate user hints to

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-14 Thread Jaegeuk Kim
On 12/14, Hyunchul Lee wrote: > Hi Jaegeuk, > > I need your comment about the fs_iohint mount option. > > a) w/o fs_iohint, propagate user hints to low layer. > b) w/ fs_iohint, ignore user hints, and use hints which is generated > with F2FS. > > Chao suggests this option. because user hints

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-14 Thread Jaegeuk Kim
On 12/14, Hyunchul Lee wrote: > Hi Jaegeuk, > > I need your comment about the fs_iohint mount option. > > a) w/o fs_iohint, propagate user hints to low layer. > b) w/ fs_iohint, ignore user hints, and use hints which is generated > with F2FS. > > Chao suggests this option. because user hints

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-13 Thread Hyunchul Lee
Hi Jaegeuk, I need your comment about the fs_iohint mount option. a) w/o fs_iohint, propagate user hints to low layer. b) w/ fs_iohint, ignore user hints, and use hints which is generated with F2FS. Chao suggests this option. because user hints are more accurate than file system. This is

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-13 Thread Hyunchul Lee
Hi Jaegeuk, I need your comment about the fs_iohint mount option. a) w/o fs_iohint, propagate user hints to low layer. b) w/ fs_iohint, ignore user hints, and use hints which is generated with F2FS. Chao suggests this option. because user hints are more accurate than file system. This is

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-11 Thread Chao Yu
Hi Hyunchul, On 2017/12/12 10:15, Hyunchul Lee wrote: > Hi Chao, > > On 12/11/2017 10:15 PM, Chao Yu wrote: >> Hi Hyunchul, >> >> On 2017/12/1 16:28, Hyunchul Lee wrote: >>> Hi Chao, >>> >>> On 11/30/2017 04:06 PM, Chao Yu wrote: Hi Hyunchul, On 2017/11/28 8:23, Hyunchul Lee

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-11 Thread Chao Yu
Hi Hyunchul, On 2017/12/12 10:15, Hyunchul Lee wrote: > Hi Chao, > > On 12/11/2017 10:15 PM, Chao Yu wrote: >> Hi Hyunchul, >> >> On 2017/12/1 16:28, Hyunchul Lee wrote: >>> Hi Chao, >>> >>> On 11/30/2017 04:06 PM, Chao Yu wrote: Hi Hyunchul, On 2017/11/28 8:23, Hyunchul Lee

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-11 Thread Hyunchul Lee
Hi Chao, On 12/11/2017 10:15 PM, Chao Yu wrote: > Hi Hyunchul, > > On 2017/12/1 16:28, Hyunchul Lee wrote: >> Hi Chao, >> >> On 11/30/2017 04:06 PM, Chao Yu wrote: >>> Hi Hyunchul, >>> >>> On 2017/11/28 8:23, Hyunchul Lee wrote: From: Hyunchul Lee This

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-11 Thread Hyunchul Lee
Hi Chao, On 12/11/2017 10:15 PM, Chao Yu wrote: > Hi Hyunchul, > > On 2017/12/1 16:28, Hyunchul Lee wrote: >> Hi Chao, >> >> On 11/30/2017 04:06 PM, Chao Yu wrote: >>> Hi Hyunchul, >>> >>> On 2017/11/28 8:23, Hyunchul Lee wrote: From: Hyunchul Lee This implements which hint is

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-11 Thread Chao Yu
Hi Hyunchul, On 2017/12/1 16:28, Hyunchul Lee wrote: > Hi Chao, > > On 11/30/2017 04:06 PM, Chao Yu wrote: >> Hi Hyunchul, >> >> On 2017/11/28 8:23, Hyunchul Lee wrote: >>> From: Hyunchul Lee >>> >>> This implements which hint is passed down to block layer >>> for datas from

Re: [f2fs-dev] [PATCH 1/2] f2fs: pass down write hints to block layer for bufferd write

2017-12-11 Thread Chao Yu
Hi Hyunchul, On 2017/12/1 16:28, Hyunchul Lee wrote: > Hi Chao, > > On 11/30/2017 04:06 PM, Chao Yu wrote: >> Hi Hyunchul, >> >> On 2017/11/28 8:23, Hyunchul Lee wrote: >>> From: Hyunchul Lee >>> >>> This implements which hint is passed down to block layer >>> for datas from the specific