On Mon, 17 Mar 2014, tytso@xxxxxxx wrote: > Date: Mon, 17 Mar 2014 17:00:30 -0400 > From: tytso@xxxxxxx > To: =?utf-8?B?THVrw6HFoSBDemVybmVyIDxsY3plcm5lckByZWRoYXQuY29tPg==?=@thunk.org > Cc: linux-ext4@xxxxxxxxxxxxxxx > Subject: Re: [PATCH 0/6 v2] Introduce FALLOC_FL_ZERO_RANGE flag for fallocate > > On Mon, Mar 17, 2014 at 01:59:35PM +0100, Lukáš Czerner wrote: > > > The "dev2" branch in the ext4 git tree has all the patches in this > > > series (1, 2, and 5) --- 3 was included earlier applied on top of the > > > "dev" branch. The "test" branch is the dev2 branch with the > > > xfs-collapse-range branch pulled in, which actually enables the > > > ZERO_RANGE flags (as well as the collapse range patches). > > > > > > When I tried testing with the "test" branch, things failed pretty > > > quickly. I've attached two of these in this patch set. I'm guessing > > > it's some kind of memory corruption problem. These failures are > > > pretty repeatable, and it fails fast. > > Can you let me know when you've had a chance to take a look at this > failure? Once we put back the EOFBLOCK_FL code, I suspect we should > be fine with the first two patches in this patch series, but patch #5 > plus the xfs-collapse-range branch appears to still have issues. > > Thanks!! > > - Ted Yes, I am looking into this since yesterday, but unfortunately I have not found a problem yet. I am still trying to figure it out. -Lukas