RE: [PATCH 5/7] f2fs: enhance multithread dio write performance

Hi Jaegeuk, > -Original Message- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Friday, September 18, 2015 1:49 AM > To: Chao Yu > Cc: linux-f2fs-de...@lists.sourceforge.net; linux-kernel@vger.kernel.org > Subject: Re: [PATCH 5/7] f2fs: enhance multithread dio

Re: [PATCH 5/7] f2fs: enhance multithread dio write performance

@lists.sourceforge.net; linux-kernel@vger.kernel.org > > Subject: Re: [PATCH 5/7] f2fs: enhance multithread dio write performance > > > > Hi Chao, > > > > On Wed, Sep 16, 2015 at 06:15:55PM +0800, Chao Yu wrote: > > > Hi Jaegeuk, > > > > > > &g

RE: [PATCH 5/7] f2fs: enhance multithread dio write performance

Hi Jaegeuk, > -Original Message- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Thursday, September 17, 2015 2:13 AM > To: Chao Yu > Cc: linux-f2fs-de...@lists.sourceforge.net; linux-kernel@vger.kernel.org > Subject: Re: [PATCH 5/7] f2fs: enhance multithread dio

Re: [PATCH 5/7] f2fs: enhance multithread dio write performance

@lists.sourceforge.net; linux-kernel@vger.kernel.org > > Subject: Re: [PATCH 5/7] f2fs: enhance multithread dio write performance > > > > Hi Chao, > > > > On Fri, Sep 11, 2015 at 02:41:53PM +0800, Chao Yu wrote: > > > When dio writes perform concurrently, our pe

RE: [PATCH 5/7] f2fs: enhance multithread dio write performance

Hi Jaegeuk, > -Original Message- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Wednesday, September 16, 2015 5:21 AM > To: Chao Yu > Cc: linux-f2fs-de...@lists.sourceforge.net; linux-kernel@vger.kernel.org > Subject: Re: [PATCH 5/7] f2fs: enhance mul

Re: [PATCH 5/7] f2fs: enhance multithread dio write performance

Hi Chao, On Fri, Sep 11, 2015 at 02:41:53PM +0800, Chao Yu wrote: > When dio writes perform concurrently, our performace will be low because of > Thread A's allocation of multi continuous blocks will be break by Thread B, > there are two cases as below: > - In Thread B, we may change current segm