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The following commit(s) were added to refs/heads/master by this push:
new ad2b6e939d fix: ensure discard_max_bytes is set to 0 only for existing
block devices (#4745)
ad2b6e939d is described below
commit ad2b6e939d0548e88ae6209ec57628814e8c6ee1
Author: Zixuan Liu <[email protected]>
AuthorDate: Tue Apr 21 23:51:03 2026 +0800
fix: ensure discard_max_bytes is set to 0 only for existing block devices
(#4745)
---
.github/actions/tune-runner-vm/action.yml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/.github/actions/tune-runner-vm/action.yml
b/.github/actions/tune-runner-vm/action.yml
index 32b7ed6bba..c54f700207 100644
--- a/.github/actions/tune-runner-vm/action.yml
+++ b/.github/actions/tune-runner-vm/action.yml
@@ -57,8 +57,10 @@ runs:
sudo mount -o remount,nodiscard,commit=999999,barrier=0 /mnt ||
true
# disable discard/trim at device level since remount with
nodiscard doesn't seem to be effective
# https://www.spinics.net/lists/linux-ide/msg52562.html
- for i in /sys/block/sd*/queue/discard_max_bytes; do
- echo 0 | sudo tee $i
+ for i in /sys/block/*/queue/discard_max_bytes; do
+ if [ -f "$i" ]; then
+ echo 0 | sudo tee "$i"
+ fi
done
# disable any background jobs that run SSD discard/trim
sudo systemctl disable fstrim.timer || true
