On 2017年06月17日 16:30, Adam Borowski wrote:
On Sat, Jun 17, 2017 at 03:43:18PM +0800, Qu Wenruo wrote:
On 2017年06月16日 20:33, David Sterba wrote:
I see a lot of warnings from btrfs/094
[13458.628334] BTRFS warning (device sdb6): unhandled fiemap cache detected:
offset=581632 phys=13078528 len=4096 flags=0x800
Strangely, I can't reproduce it either on my original branch (v4.12 with
this patch), or torvalds/master (this patch is already merged with your
renaming)
I for one get this a lot even in regular use. Somehow, it always has Comm:
dpkg, despite the vast majority of activity on the system obviously not
being dpkg.
Is that with 0x800 flag? Or some other flag?
I'm trying fallocated file with my original branch, but still no chance
to reproduce it though.
However I tried all btrfs/09*, nothing happened.
Is some other out-of-tree patch causing the problem?
If so, which branch are you testing? I think I could help to fix it.
For me, linus/master with a handful of not possibly relevant patches
(in fs/btrfs/ I have dedupe and defrag on files opened ro, raid5/6 warning,
raid5/6 incompat flag clearing).
linus/master without any extra patch is still the same?
And which commit?
I'm using 1439ccf73d9c07654fdd5b4969fd53c2feb8684d, at least it doesn't
cause any warning the related test case, and I tried several combination
with preallocated and written and hole, still no chance.
I also ran btrfs/* with my patch applied on v4.11-rc2 (sorry, that's the
correct original patch base), and except some known bug, it doesn't
cause anything special.
Thanks,
Qu
Meow!
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