file-systems: Prefer low-memory mode of ‘btrfs check’.

* gnu/build/file-systems.scm (check-btrfs-file-system):
Add ‘--mode lowmem’ arguments when supported.

Reported by Noisytoot on #guix.
This commit is contained in:
Tobias Geerinckx-Rice 2021-09-28 21:50:16 +02:00
parent 50d2421419
commit e91c9ce32e
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@ -336,7 +336,10 @@ (define (check-btrfs-file-system device force? repair)
;; Upstream considers ALL repairs dangerous
;; and will warn the user at run time.
(#t '("--repair"))
(_ '("--readonly"))) ; a no-op for clarity
(_ '("--readonly" ; a no-op for clarity
;; A 466G file system with 180G used is
;; enough to kill btrfs with 6G of RAM.
"--mode" "lowmem")))
,device)))
(0 'pass)
(_ 'fatal-error))