Re: [f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-27 Thread Chao Yu
On 2018/2/28 12:49, Jaegeuk Kim wrote: > On 02/13, Chao Yu wrote: >> Hi Jaegeuk, >> >> On 2018/2/12 8:07, Jaegeuk Kim wrote: >>> On 02/11, Junling Zheng wrote: Hi, Jaegeuk On 2018/2/10 8:44, Jaegeuk Kim wrote: > On 02/02, Junling Zheng wrote: >> Commit "0a007b97aad6"(f2fs: re

Re: [f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-27 Thread Jaegeuk Kim
On 02/13, Chao Yu wrote: > Hi Jaegeuk, > > On 2018/2/12 8:07, Jaegeuk Kim wrote: > > On 02/11, Junling Zheng wrote: > >> Hi, Jaegeuk > >> > >> On 2018/2/10 8:44, Jaegeuk Kim wrote: > >>> On 02/02, Junling Zheng wrote: > Commit "0a007b97aad6"(f2fs: recover directory operations by fsync) >

Re: [f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-13 Thread Chao Yu
Hi Jaegeuk, On 2018/2/12 8:07, Jaegeuk Kim wrote: > On 02/11, Junling Zheng wrote: >> Hi, Jaegeuk >> >> On 2018/2/10 8:44, Jaegeuk Kim wrote: >>> On 02/02, Junling Zheng wrote: Commit "0a007b97aad6"(f2fs: recover directory operations by fsync) fixed xfstest generic/342 case, but it also

Re: [f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-11 Thread Jaegeuk Kim
On 02/11, Junling Zheng wrote: > Hi, Jaegeuk > > On 2018/2/10 8:44, Jaegeuk Kim wrote: > > On 02/02, Junling Zheng wrote: > >> Commit "0a007b97aad6"(f2fs: recover directory operations by fsync) > >> fixed xfstest generic/342 case, but it also increased the written > >> data and caused the performa

Re: [f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-10 Thread Junling Zheng
Hi, Jaegeuk On 2018/2/10 8:44, Jaegeuk Kim wrote: > On 02/02, Junling Zheng wrote: >> Commit "0a007b97aad6"(f2fs: recover directory operations by fsync) >> fixed xfstest generic/342 case, but it also increased the written >> data and caused the performance degradation. In most cases, there's >> no

Re: [f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-09 Thread Jaegeuk Kim
On 02/02, Junling Zheng wrote: > Commit "0a007b97aad6"(f2fs: recover directory operations by fsync) > fixed xfstest generic/342 case, but it also increased the written > data and caused the performance degradation. In most cases, there's > no need to do so heavily fsync actually. > > So we introdu

[f2fs-dev] [PATCH v2] f2fs: introduce "strict_fsync" for posix standard fsync

2018-02-02 Thread Junling Zheng
Commit "0a007b97aad6"(f2fs: recover directory operations by fsync) fixed xfstest generic/342 case, but it also increased the written data and caused the performance degradation. In most cases, there's no need to do so heavily fsync actually. So we introduce a new mount option "strict_fsync" to con