Re: [PATCH v3] f2fs: add bio cache for IPU

2018-12-26 Thread Jaegeuk Kim
On 12/24, Chao Yu wrote: > Jaegeuk, > > Will kernel still hang with this v3? I'll consider this later, since it blocked local tests before. > > Thanks, > > On 2018/12/19 17:29, Chao Yu wrote: > > SQLite in Wal mode may trigger sequential IPU write in db-wal file, after > > commit d1b3e72d5490

Re: [PATCH v3] f2fs: add bio cache for IPU

2018-12-23 Thread Chao Yu
Jaegeuk, Will kernel still hang with this v3? Thanks, On 2018/12/19 17:29, Chao Yu wrote: > SQLite in Wal mode may trigger sequential IPU write in db-wal file, after > commit d1b3e72d5490 ("f2fs: submit bio of in-place-update pages"), we > lost the chance of merging page in inner managed bio

[PATCH v3] f2fs: add bio cache for IPU

2018-12-19 Thread Chao Yu
SQLite in Wal mode may trigger sequential IPU write in db-wal file, after commit d1b3e72d5490 ("f2fs: submit bio of in-place-update pages"), we lost the chance of merging page in inner managed bio cache, result in submitting more small-sized IO. So let's add temporary bio in writepages() to cache