RE: [PATCH 1/2] f2fs: support FALLOC_FL_COLLAPSE_RANGE

2015-04-29 Thread Chao Yu
Hi Jaegeuk, > -Original Message- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Thursday, April 30, 2015 5:31 AM > To: Chao Yu > Cc: Changman Lee; linux-f2fs-de...@lists.sourceforge.net; > linux-kernel@vger.kernel.org > Subject: Re: [PAT

Re: [PATCH 1/2] f2fs: support FALLOC_FL_COLLAPSE_RANGE

2015-04-29 Thread Jaegeuk Kim
Hi Chao, On Sat, Apr 18, 2015 at 06:00:36PM +0800, Chao Yu wrote: > Now, FALLOC_FL_COLLAPSE_RANGE flag in ->fallocate is supported in ext4/xfs. > > In commit, the semantics of this flag is descripted as following: > "1) It collapses the range lying between offset and length by removing any > dat