Re: Btrfs remounted read-only due to ENOSPC in btrfs_run_delayed_refs

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On  9.03.2018 21:03, Martin Svec wrote:
> Being curious, how do you know that my global rsv is almost unused? During backups, I see that
> the usage is sometimes very close to the 512 MiB limit. I tried to increase the limit to 1 GiB but it
> didn't help.

Well according to your output:
 Global reserve:              512.00MiB      (used: 0.00B)

In the end it might turn out that you are indeed hitting enospc because
you can't free enough in the critical section of the transaction.
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