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Message-id: <005001d041e5$e87089b0$b9519d10$@samsung.com> Date: Fri, 06 Feb 2015 16:20:37 +0800 From: Chao Yu <chao2.yu@...sung.com> To: 'Jaegeuk Kim' <jaegeuk@...nel.org> Cc: 'Changman Lee' <cm224.lee@...sung.com>, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net Subject: RE: [f2fs-dev] [PATCH 5/5 v4] f2fs: introduce a batched trim Hi Jaegeuk, > -----Original Message----- > From: Jaegeuk Kim [mailto:jaegeuk@...nel.org] > Sent: Friday, February 06, 2015 2:19 PM > To: Chao Yu > Cc: 'Changman Lee'; linux-fsdevel@...r.kernel.org; linux-kernel@...r.kernel.org; > linux-f2fs-devel@...ts.sourceforge.net > Subject: Re: [f2fs-dev] [PATCH 5/5 v4] f2fs: introduce a batched trim > > Hi Chao, > > Something like this? > > Change log from v3: > o align to section size > > This patch introduces a batched trimming feature, which submits split discard > commands. > > This is to avoid long latency due to huge trim commands. > If fstrim was triggered ranging from 0 to the end of device, we should lock > all the checkpoint-related mutexes, resulting in very long latency. > > Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org> Looks good to me. Reviewed-by: Chao Yu <chao2.yu@...sung.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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