Hi Jaegeuk, > -----Original Message----- > From: Chao Yu [mailto:chao2.yu@xxxxxxxxxxx] > Sent: Wednesday, December 23, 2015 5:47 PM > To: 'Jaegeuk Kim' > Cc: linux-fsdevel@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance_fs only when node was changed > > Hi Jaegeuk, > > > -----Original Message----- > > From: Jaegeuk Kim [mailto:jaegeuk@xxxxxxxxxx] > > Sent: Wednesday, December 23, 2015 9:00 AM > > To: linux-kernel@xxxxxxxxxxxxxxx; linux-fsdevel@xxxxxxxxxxxxxxx; > > linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > > Cc: Jaegeuk Kim > > Subject: [f2fs-dev] [PATCH 4/4] f2fs: call f2fs_balance_fs only when node was changed > > > > If user tries to update or read data, we don't need to call f2fs_balance_fs > > which triggers f2fs_gc, which increases unnecessary long latency. > > One missing case is get_data_block_dio, how about also covering it based on > following patch? > > > >From 7175efac7473e7a04285055c69edfb7432f8ca4e Mon Sep 17 00:00:00 2001 > From: Chao Yu <chao2.yu@xxxxxxxxxxx> > Date: Wed, 23 Dec 2015 17:11:43 +0800 > Subject: [PATCH] f2fs: reduce covered region of sbi->cp_rwsem in > f2fs_map_blocks Title of this commit log was not merged into dev-test branch correctly, could you please reedit it? :) Thanks, -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html