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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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17
src/disk.sh
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@ -3,11 +3,12 @@ set -Eeuo pipefail
# Docker environment variables # Docker environment variables
: ${DISK_IO:='native'} # I/O Mode, can be set to 'native', 'threads' or 'io_turing' : ${DISK_IO:='native'} # I/O Mode, can be set to 'native', 'threads' or 'io_turing'
: ${DISK_FMT:=''} # Disk file format, can be set to "raw" or "qcow2" (default) : ${DISK_FMT:=''} # Disk file format, can be set to "raw" or "qcow2" (default)
: ${DISK_CACHE:='none'} # Caching mode, can be set to 'writeback' for better performance : ${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_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_ROTATION:='1'} # Rotation rate, set to 1 for SSD storage and increase for HDD
: ${DISK_FLAGS:='nocow=on'} # Specify the options for use with the qcow2 format
DISK_OPTS="" DISK_OPTS=""
BOOT="$STORAGE/boot.img" BOOT="$STORAGE/boot.img"
@ -133,12 +134,12 @@ convertDisk() {
case "$DST_FMT" in case "$DST_FMT" in
qcow2) qcow2)
CONV_FLAGS="$CONV_FLAGS -c" CONV_FLAGS="$CONV_FLAGS -c -o $DISK_FLAGS"
;; ;;
esac esac
# shellcheck disable=SC2086 # 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() { createDisk() {
@ -182,7 +183,7 @@ createDisk() {
fi fi
;; ;;
qcow2) 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" rm -f "$DISK_FILE"
error "$FAIL" && exit 70 error "$FAIL" && exit 70
fi fi