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From: Wei Tang <wei@that.world>
To: linux-btrfs@vger.kernel.org
Subject: Balance loop converting from single to raid-1 (kernel 5.13.3)
Date: Fri, 23 Jul 2021 08:39:52 +0200	[thread overview]
Message-ID: <f85b8b32-0fec-056c-63ba-1ebb64f2bc09@that.world> (raw)

Today I was trying to convert a btrfs disk from single to raid-1. It 
gets stuck in this seemingly infinite loop:

Jul 23 08:30:48 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:48 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:48 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:48 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:48 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:49 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers
Jul 23 08:30:50 loopforward kernel: BTRFS info (device dm-5): found 1 
extents, stage: update data pointers

Canceling the conversion then restarting it, or rebooting, does not seem 
to do anything -- the same "1 extents" loop always reappears.

# uname -a
Linux loopforward 5.13.3 #1-NixOS SMP Mon Jul 19 08:04:55 UTC 2021 
x86_64 GNU/Linux

             reply	other threads:[~2021-07-23  6:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-23  6:39 Wei Tang [this message]
2021-07-24  6:47 ` Balance loop converting from single to raid-1 (kernel 5.13.3) Qu Wenruo

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