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authorSimon Rettberg2020-09-30 11:18:59 +0200
committerSimon Rettberg2020-09-30 11:18:59 +0200
commit1df72275faab0b0c948230d14480e55e0ef7dbfe (patch)
treee8a7d834e5baa31bb653b31b93bd6b311140c01a
parent[slx-dmsetup] Simplifications, comments (diff)
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[slx-dmsetup] Fix another dd call
-rwxr-xr-xmodules.d/slx-dmsetup/scripts/dmsetup-slx-device2
1 files changed, 1 insertions, 1 deletions
diff --git a/modules.d/slx-dmsetup/scripts/dmsetup-slx-device b/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
index 4085b1cf..fd9a7175 100755
--- a/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
+++ b/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
@@ -181,7 +181,7 @@ ramdisk_fallback() {
# create sparse file there
local file="$(mktemp -u -p "$cow_tmpfs" dnbd_cow.XXX)"
- if ! dd of="$file" seek="$(( read_only_device_size / 2 ))" bs=1k count=0 &> /dev/null; then
+ if ! dd if=/dev/null of="$file" seek="$(( read_only_device_size / 2 ))" bs=1k 2> /dev/null; then
emergency_shell "Failed to allocate CoW file $file."
fi
declare -rg writable_device="$(losetup --show --find "$file")"