Re: Post ext3 conversion problems

2016-09-19 Thread Sean Greenslade
On Mon, Sep 19, 2016 at 02:30:28PM +0800, Qu Wenruo wrote: > All chunks are completed convert to DUP, no small chunk, all to its maximum > chunk size. > So from chunk level, nothing related to convert yet. > > But for extent tree, I found several extents are heavily referred to. > Like extent

Re: Post ext3 conversion problems

2016-09-18 Thread Sean Greenslade
On Mon, Sep 19, 2016 at 10:20:37AM +0800, Qu Wenruo wrote: > > -95 is -EOPNOTSUPP. > > Not a common errno in btrfs. > > Most EOPNOTSUPP are related to discard and crapped fallcate/drop extents. > > Then are you using discard mount option? I did indeed have the discard mount option enabled. I

Re: Post ext3 conversion problems

2016-09-18 Thread Qu Wenruo
At 09/17/2016 04:23 AM, Chris Murphy wrote: On Fri, Sep 16, 2016 at 1:25 PM, Sean Greenslade wrote: Hi, all. I've been playing around with an old laptop of mine, and I figured I'd use it as a learning / bugfinding opportunity. Its /home partition was originally ext3.

Re: Post ext3 conversion problems

2016-09-16 Thread Sean Greenslade
On Fri, Sep 16, 2016 at 07:27:58PM -0700, Liu Bo wrote: > Interesting, seems that we get errors from > > btrfs_finish_ordered_io > insert_reserved_file_extent > __btrfs_drop_extents > > And splitting an inline extent throws -95. Heh, you beat me to the draw. I was just coming to the same

Re: Post ext3 conversion problems

2016-09-16 Thread Liu Bo
On Fri, Sep 16, 2016 at 03:25:00PM -0400, Sean Greenslade wrote: > Hi, all. I've been playing around with an old laptop of mine, and I > figured I'd use it as a learning / bugfinding opportunity. Its /home > partition was originally ext3. I have a full partition image of this > drive as a backup,

Re: Post ext3 conversion problems

2016-09-16 Thread Sean Greenslade
On Fri, Sep 16, 2016 at 05:45:59PM -0600, Chris Murphy wrote: > On Fri, Sep 16, 2016 at 5:25 PM, Sean Greenslade > wrote: > > > In the mean time, is there any way to make the kernel more verbose about > > btrfs errors? It would be nice to see, for example, what was in

Re: Post ext3 conversion problems

2016-09-16 Thread Chris Murphy
On Fri, Sep 16, 2016 at 5:25 PM, Sean Greenslade wrote: > In the mean time, is there any way to make the kernel more verbose about > btrfs errors? It would be nice to see, for example, what was in the > transaction that failed, or at least what files / metadata it was >

Re: Post ext3 conversion problems

2016-09-16 Thread Sean Greenslade
On Fri, Sep 16, 2016 at 02:23:44PM -0600, Chris Murphy wrote: > Not a mess, I think it's a good bug report. I think Qu and David know > more about the latest iteration of the convert code. If you can wait > until next week at least to see if they have questions that'd be best. > If you need to get

Re: Post ext3 conversion problems

2016-09-16 Thread Chris Murphy
On Fri, Sep 16, 2016 at 1:25 PM, Sean Greenslade wrote: > Hi, all. I've been playing around with an old laptop of mine, and I > figured I'd use it as a learning / bugfinding opportunity. Its /home > partition was originally ext3. I have a full partition image of this >