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feat: Set NOCOW flag for btrfs

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Kroese 2023-12-17 11:48:35 +01:00 committed by GitHub
parent d9908b034d
commit 34821d53a9
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 8 deletions
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7
src/disk.sh
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@ -8,6 +8,7 @@ set -Eeuo pipefail
: ${DISK_CACHE:='none'} # Caching mode, can be set to 'writeback' for better performance
: ${DISK_DISCARD:='on'} # Controls whether unmap (TRIM) commands are passed to the host.
: ${DISK_ROTATION:='1'} # Rotation rate, set to 1 for SSD storage and increase for HDD
: ${DISK_FLAGS:='nocow=on'} # Specify the options for use with the qcow2 format
DISK_OPTS=""
BOOT="$STORAGE/boot.img"
@ -133,12 +134,12 @@ convertDisk() {
case "$DST_FMT" in
qcow2)
CONV_FLAGS="$CONV_FLAGS -c"
CONV_FLAGS="$CONV_FLAGS -c -o $DISK_FLAGS"
;;
esac
# shellcheck disable=SC2086
qemu-img convert $CONV_FLAGS -f "$SOURCE_FMT" -O "$DST_FMT" -- "$SOURCE_FILE" "$DST_FILE"
qemu-img convert -f "$SOURCE_FMT" $CONV_FLAGS -O "$DST_FMT" -- "$SOURCE_FILE" "$DST_FILE"
}
createDisk() {
@ -182,7 +183,7 @@ createDisk() {
fi
;;
qcow2)
if ! qemu-img create -f "$DISK_FMT" -- "$DISK_FILE" "$DISK_SPACE" ; then
if ! qemu-img create -f "$DISK_FMT" -o "$DISK_FLAGS" -- "$DISK_FILE" "$DISK_SPACE" ; then
rm -f "$DISK_FILE"
error "$FAIL" && exit 70
fi