mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
common: split Btrfs functions from common/rc
Similar to common/xfs, for the same reasons. Signed-Off-By: Dave Chinner <dchinner@redhat.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Dave Chinner
Eryu Guan
+330
@@ -0,0 +1,330 @@
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#
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# Common btrfs specific functions
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#
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_btrfs_get_subvolid()
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{
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mnt=$1
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name=$2
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$BTRFS_UTIL_PROG sub list $mnt | grep $name | awk '{ print $2 }'
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}
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# We check for btrfs and (optionally) features of the btrfs command
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_require_btrfs()
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{
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cmd=$1
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_require_command "$BTRFS_UTIL_PROG" btrfs
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if [ -z "$1" ]; then
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return 1;
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fi
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$BTRFS_UTIL_PROG $cmd --help >/dev/null 2>&1
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[ $? -eq 0 ] || _notrun "$BTRFS_UTIL_PROG too old (must support $cmd)"
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}
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_run_btrfs_util_prog()
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{
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run_check $BTRFS_UTIL_PROG $*
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}
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_require_btrfs_send_stream_version()
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{
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$BTRFS_UTIL_PROG send 2>&1 | \
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grep '^[ \t]*\-\-stream\-version <version>' > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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_notrun "Missing btrfs-progs send --stream-version command line option, skipped this test"
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fi
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# test if btrfs kernel supports send stream version 2
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if [ ! -f /sys/fs/btrfs/send/stream_version ]; then
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_notrun "Missing btrfs kernel patch for send stream version 2, skipped this test"
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fi
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}
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_require_btrfs_mkfs_feature()
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{
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if [ -z $1 ]; then
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echo "Missing feature name argument for _require_btrfs_mkfs_feature"
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exit 1
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fi
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feat=$1
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$MKFS_BTRFS_PROG -O list-all 2>&1 | \
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grep '^[ \t]*'"$feat"'\b' > /dev/null 2>&1
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[ $? -eq 0 ] || \
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_notrun "Feature $feat not supported in the available version of mkfs.btrfs"
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}
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_require_btrfs_fs_feature()
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{
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if [ -z $1 ]; then
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echo "Missing feature name argument for _require_btrfs_fs_feature"
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exit 1
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fi
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feat=$1
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modprobe btrfs > /dev/null 2>&1
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[ -e /sys/fs/btrfs/features/$feat ] || \
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_notrun "Feature $feat not supported by the available btrfs version"
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}
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_check_btrfs_filesystem()
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{
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device=$1
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# If type is set, we're mounted
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type=`_fs_type $device`
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ok=1
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if [ "$type" = "$FSTYP" ]; then
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# mounted ...
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mountpoint=`_umount_or_remount_ro $device`
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fi
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btrfsck $device >$tmp.fsck 2>&1
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if [ $? -ne 0 ]; then
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echo "_check_btrfs_filesystem: filesystem on $device is inconsistent (see $seqres.full)"
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echo "_check_btrfs_filesystem: filesystem on $device is inconsistent" >>$seqres.full
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echo "*** fsck.$FSTYP output ***" >>$seqres.full
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cat $tmp.fsck >>$seqres.full
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echo "*** end fsck.$FSTYP output" >>$seqres.full
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ok=0
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fi
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rm -f $tmp.fsck
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if [ $ok -eq 0 ]; then
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echo "*** mount output ***" >>$seqres.full
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_mount >>$seqres.full
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echo "*** end mount output" >>$seqres.full
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elif [ "$type" = "$FSTYP" ]; then
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# was mounted ...
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_mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
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ok=$?
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fi
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if [ $ok -eq 0 ]; then
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status=1
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if [ "$iam" != "check" ]; then
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exit 1
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fi
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return 1
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fi
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return 0
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}
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_require_btrfs_dev_del_by_devid()
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{
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$BTRFS_UTIL_PROG device delete --help | egrep devid > /dev/null 2>&1
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[ $? -eq 0 ] || _notrun "$BTRFS_UTIL_PROG too old "\
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"(must support 'btrfs device delete <devid> /<mnt>')"
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}
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# get btrfs profile configs being tested
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#
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# A set of pre-set profile configs are exported via _btrfs_profile_configs
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# array. Default configs can be overridden by setting BTRFS_PROFILE_CONFIGS
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# var in the format "metadata_profile:data_profile", multiple configs can be
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# seperated by space, e.g.
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# export BTRFS_PROFILE_CONFIGS="raid0:raid0 raid1:raid1 dup:single"
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_btrfs_get_profile_configs()
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{
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if [ "$FSTYP" != "btrfs" ]; then
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return
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fi
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if [ -z "$BTRFS_PROFILE_CONFIGS" ]; then
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# Default configurations to test.
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local configs=(
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"single:single"
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"dup:single"
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"raid0:raid0"
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"raid1:raid0"
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"raid1:raid1"
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"raid10:raid10"
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"raid5:raid5"
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"raid6:raid6"
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)
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else
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# User-provided configurations.
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local configs=(${BTRFS_PROFILE_CONFIGS[@]})
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fi
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_btrfs_profile_configs=()
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for cfg in "${configs[@]}"; do
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local supported=true
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local profiles=(${cfg/:/ })
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if [ "$1" == "replace" ]; then
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# We can't do replace with these profiles because they
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# imply only one device ($SCRATCH_DEV), and we need to
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# keep $SCRATCH_DEV around for _scratch_mount
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# and _check_scratch_fs.
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local unsupported=(
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"dup"
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)
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elif [ "$1" == "replace-missing" ]; then
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# We can't replace missing devices with these profiles
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# because there isn't enough redundancy.
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local unsupported=(
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"single"
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"dup"
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"raid0"
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)
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else
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local unsupported=()
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fi
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for unsupp in "${unsupported[@]}"; do
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if [ "${profiles[0]}" == "$unsupp" -o "${profiles[1]}" == "$unsupp" ]; then
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if [ -z "$BTRFS_PROFILE_CONFIGS" ]; then
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# For the default config, just omit it.
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supported=false
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else
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# For user-provided config, don't run the test.
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_notrun "Profile $unsupp not supported for $1"
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fi
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fi
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done
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if "$supported"; then
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_btrfs_profile_configs+=("-m ${profiles[0]} -d ${profiles[1]}")
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fi
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done
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export _btrfs_profile_configs
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}
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# stress btrfs by running balance operation in a loop
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_btrfs_stress_balance()
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{
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local options=$@
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while true; do
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$BTRFS_UTIL_PROG balance start $options
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done
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}
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# stress btrfs by creating/mounting/umounting/deleting subvolume in a loop
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_btrfs_stress_subvolume()
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{
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local btrfs_dev=$1
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local btrfs_mnt=$2
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local subvol_name=$3
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local subvol_mnt=$4
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local stop_file=$5
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mkdir -p $subvol_mnt
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while [ ! -e $stop_file ]; do
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$BTRFS_UTIL_PROG subvolume create $btrfs_mnt/$subvol_name
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$MOUNT_PROG -o subvol=$subvol_name $btrfs_dev $subvol_mnt
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$UMOUNT_PROG $subvol_mnt
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$BTRFS_UTIL_PROG subvolume delete $btrfs_mnt/$subvol_name
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done
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}
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# stress btrfs by running scrub in a loop
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_btrfs_stress_scrub()
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{
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local btrfs_mnt=$1
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while true; do
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$BTRFS_UTIL_PROG scrub start -B $btrfs_mnt
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done
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}
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# stress btrfs by defragmenting every file/dir in a loop and compress file
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# contents while defragmenting if second argument is not "nocompress"
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_btrfs_stress_defrag()
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{
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local btrfs_mnt=$1
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local compress=$2
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while true; do
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if [ "$compress" == "nocompress" ]; then
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find $btrfs_mnt \( -type f -o -type d \) -exec \
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$BTRFS_UTIL_PROG filesystem defrag {} \;
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else
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find $btrfs_mnt \( -type f -o -type d \) -exec \
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$BTRFS_UTIL_PROG filesystem defrag -clzo {} \;
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find $btrfs_mnt \( -type f -o -type d \) -exec \
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$BTRFS_UTIL_PROG filesystem defrag -czlib {} \;
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fi
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done
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}
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# stress btrfs by remounting it with different compression algorithms in a loop
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# run this with fsstress running at background could exercise the compression
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# code path and ensure no race when switching compression algorithm with constant
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# I/O activity.
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_btrfs_stress_remount_compress()
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{
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local btrfs_mnt=$1
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while true; do
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for algo in no zlib lzo; do
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$MOUNT_PROG -o remount,compress=$algo $btrfs_mnt
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done
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done
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}
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# stress btrfs by replacing devices in a loop
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# Note that at least 3 devices are needed in SCRATCH_DEV_POOL and the last
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# device should be free(not used by btrfs)
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_btrfs_stress_replace()
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{
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local btrfs_mnt=$1
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# The device number in SCRATCH_DEV_POOL should be at least 3,
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# one is SCRATCH_DEV, one is to be replaced, one is free device
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# we won't replace SCRATCH_DEV, see below for reason
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if [ "`echo $SCRATCH_DEV_POOL | wc -w`" -lt 3 ]; then
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echo "_btrfs_stress_replace requires at least 3 devices in SCRATCH_DEV_POOL"
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return
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fi
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# take the last device as the first free_dev
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local free_dev="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $NF}'`"
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# free_dev should be really free
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if $BTRFS_UTIL_PROG filesystem show $btrfs_mnt | grep -q "$free_dev"; then
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echo "_btrfs_stress_replace: $free_dev is used by btrfs"
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return
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fi
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# dev_pool is device list being currently used by btrfs (excluding SCRATCH_DEV)
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# and can be replaced. We don't replace SCRATCH_DEV because it will be used in
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# _scratch_mount and _check_scratch_fs etc.
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local dev_pool=`echo $SCRATCH_DEV_POOL | sed -e "s# *$SCRATCH_DEV *##" \
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-e "s# *$free_dev *##"`
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# set the first device in dev_pool as the first src_dev to be replaced
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local src_dev=`echo $dev_pool | $AWK_PROG '{print $1}'`
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echo "dev_pool=$dev_pool"
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echo "free_dev=$free_dev, src_dev=$src_dev"
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while true; do
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echo "Replacing $src_dev with $free_dev"
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$BTRFS_UTIL_PROG replace start -fB $src_dev $free_dev $btrfs_mnt
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if [ $? -ne 0 ]; then
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# don't update src_dev and free_dev if replace failed
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continue
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fi
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dev_pool="$dev_pool $free_dev"
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dev_pool=`echo $dev_pool | sed -e "s# *$src_dev *##"`
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free_dev=$src_dev
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src_dev=`echo $dev_pool | $AWK_PROG '{print $1}'`
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done
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}
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# find the right option to force output in bytes, older versions of btrfs-progs
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# print that by default, newer print human readable numbers with unit suffix
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_btrfs_qgroup_units()
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{
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$BTRFS_UTIL_PROG qgroup show --help 2>&1 | grep -q -- --raw && echo "--raw"
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}
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_require_btrfs_loadable()
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{
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modprobe -r btrfs || _notrun "btrfs unloadable"
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modprobe btrfs || _notrun "Can't load btrfs"
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}
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_reload_btrfs_ko()
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{
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modprobe -r btrfs || _fail "btrfs unload failed"
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modprobe btrfs || _fail "btrfs load failed"
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}
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@@ -68,14 +68,6 @@ dd()
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fi
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}
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_btrfs_get_subvolid()
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{
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mnt=$1
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name=$2
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$BTRFS_UTIL_PROG sub list $mnt | grep $name | awk '{ print $2 }'
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}
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# Prints the md5 checksum of a given file
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_md5_checksum()
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{
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@@ -126,7 +118,7 @@ fi
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# make sure we have a standard umask
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umask 022
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# check for correct setup
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# check for correct setup and source the $FSTYP specific functions now
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case "$FSTYP" in
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xfs)
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[ "$XFS_LOGPRINT_PROG" = "" ] && _fatal "xfs_logprint not found"
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@@ -134,7 +126,6 @@ case "$FSTYP" in
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[ "$XFS_DB_PROG" = "" ] && _fatal "xfs_db not found"
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[ "$MKFS_XFS_PROG" = "" ] && _fatal "mkfs_xfs not found"
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#source the XFS specific functions now.
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. ./common/xfs
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;;
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udf)
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@@ -142,6 +133,8 @@ case "$FSTYP" in
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;;
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btrfs)
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[ "$MKFS_BTRFS_PROG" = "" ] && _fatal "mkfs.btrfs not found"
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. ./common/btrfs
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;;
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ext4)
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[ "$MKFS_EXT4_PROG" = "" ] && _fatal "mkfs.ext4 not found"
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@@ -1276,18 +1269,6 @@ _supported_os()
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_notrun "not suitable for this OS: $HOSTOS"
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}
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_require_btrfs_loadable()
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{
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modprobe -r btrfs || _notrun "btrfs unloadable"
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modprobe btrfs || _notrun "Can't load btrfs"
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}
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_reload_btrfs_ko()
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{
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modprobe -r btrfs || _fail "btrfs unload failed"
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modprobe btrfs || _fail "btrfs load failed"
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}
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# this test needs a scratch partition - check we're ok & unmount it
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# No post-test check of the device is required. e.g. the test intentionally
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# finishes the test with the filesystem in a corrupt state
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@@ -2132,57 +2113,6 @@ _check_udf_filesystem()
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return 0
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}
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_check_btrfs_filesystem()
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{
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device=$1
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# If type is set, we're mounted
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type=`_fs_type $device`
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ok=1
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if [ "$type" = "$FSTYP" ]
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then
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# mounted ...
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mountpoint=`_umount_or_remount_ro $device`
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fi
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btrfsck $device >$tmp.fsck 2>&1
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if [ $? -ne 0 ]
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then
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echo "_check_btrfs_filesystem: filesystem on $device is inconsistent (see $seqres.full)"
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echo "_check_btrfs_filesystem: filesystem on $device is inconsistent" >>$seqres.full
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echo "*** fsck.$FSTYP output ***" >>$seqres.full
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cat $tmp.fsck >>$seqres.full
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echo "*** end fsck.$FSTYP output" >>$seqres.full
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ok=0
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fi
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rm -f $tmp.fsck
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if [ $ok -eq 0 ]
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then
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echo "*** mount output ***" >>$seqres.full
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_mount >>$seqres.full
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echo "*** end mount output" >>$seqres.full
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elif [ "$type" = "$FSTYP" ]
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then
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# was mounted ...
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_mount_or_remount_rw "$MOUNT_OPTIONS" $device $mountpoint
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ok=$?
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fi
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if [ $ok -eq 0 ]; then
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status=1
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if [ "$iam" != "check" ]; then
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exit 1
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fi
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return 1
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fi
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return 0
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}
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_check_test_fs()
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{
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case $FSTYP in
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@@ -2540,18 +2470,6 @@ _require_deletable_scratch_dev_pool()
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||||
done
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||||
}
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||||
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||||
# We check for btrfs and (optionally) features of the btrfs command
|
||||
_require_btrfs()
|
||||
{
|
||||
cmd=$1
|
||||
_require_command "$BTRFS_UTIL_PROG" btrfs
|
||||
if [ -z "$1" ]; then
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||||
return 1;
|
||||
fi
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||||
$BTRFS_UTIL_PROG $cmd --help >/dev/null 2>&1
|
||||
[ $? -eq 0 ] || _notrun "$BTRFS_UTIL_PROG too old (must support $cmd)"
|
||||
}
|
||||
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||||
# Check that fio is present, and it is able to execute given jobfile
|
||||
_require_fio()
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||||
{
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@@ -2837,50 +2755,6 @@ run_check()
|
||||
"$@" >> $seqres.full 2>&1 || _fail "failed: '$@'"
|
||||
}
|
||||
|
||||
_run_btrfs_util_prog()
|
||||
{
|
||||
run_check $BTRFS_UTIL_PROG $*
|
||||
}
|
||||
|
||||
_require_btrfs_send_stream_version()
|
||||
{
|
||||
$BTRFS_UTIL_PROG send 2>&1 | \
|
||||
grep '^[ \t]*\-\-stream\-version <version>' > /dev/null 2>&1
|
||||
if [ $? -ne 0 ]; then
|
||||
_notrun "Missing btrfs-progs send --stream-version command line option, skipped this test"
|
||||
fi
|
||||
|
||||
# test if btrfs kernel supports send stream version 2
|
||||
if [ ! -f /sys/fs/btrfs/send/stream_version ]; then
|
||||
_notrun "Missing btrfs kernel patch for send stream version 2, skipped this test"
|
||||
fi
|
||||
}
|
||||
|
||||
_require_btrfs_mkfs_feature()
|
||||
{
|
||||
if [ -z $1 ]; then
|
||||
echo "Missing feature name argument for _require_btrfs_mkfs_feature"
|
||||
exit 1
|
||||
fi
|
||||
feat=$1
|
||||
$MKFS_BTRFS_PROG -O list-all 2>&1 | \
|
||||
grep '^[ \t]*'"$feat"'\b' > /dev/null 2>&1
|
||||
[ $? -eq 0 ] || \
|
||||
_notrun "Feature $feat not supported in the available version of mkfs.btrfs"
|
||||
}
|
||||
|
||||
_require_btrfs_fs_feature()
|
||||
{
|
||||
if [ -z $1 ]; then
|
||||
echo "Missing feature name argument for _require_btrfs_fs_feature"
|
||||
exit 1
|
||||
fi
|
||||
feat=$1
|
||||
modprobe btrfs > /dev/null 2>&1
|
||||
[ -e /sys/fs/btrfs/features/$feat ] || \
|
||||
_notrun "Feature $feat not supported by the available btrfs version"
|
||||
}
|
||||
|
||||
_require_test_symlinks()
|
||||
{
|
||||
# IRIX UDF does not support symlinks
|
||||
@@ -2904,13 +2778,6 @@ _require_test_fcntl_advisory_locks()
|
||||
_notrun "Require fcntl advisory locks support"
|
||||
}
|
||||
|
||||
_require_btrfs_dev_del_by_devid()
|
||||
{
|
||||
$BTRFS_UTIL_PROG device delete --help | egrep devid > /dev/null 2>&1
|
||||
[ $? -eq 0 ] || _notrun "$BTRFS_UTIL_PROG too old "\
|
||||
"(must support 'btrfs device delete <devid> /<mnt>')"
|
||||
}
|
||||
|
||||
_require_test_lsattr()
|
||||
{
|
||||
testio=$(lsattr -d $TEST_DIR 2>&1)
|
||||
@@ -2994,203 +2861,6 @@ _get_available_space()
|
||||
echo $((avail_kb * 1024))
|
||||
}
|
||||
|
||||
# get btrfs profile configs being tested
|
||||
#
|
||||
# A set of pre-set profile configs are exported via _btrfs_profile_configs
|
||||
# array. Default configs can be overridden by setting BTRFS_PROFILE_CONFIGS
|
||||
# var in the format "metadata_profile:data_profile", multiple configs can be
|
||||
# seperated by space, e.g.
|
||||
# export BTRFS_PROFILE_CONFIGS="raid0:raid0 raid1:raid1 dup:single"
|
||||
_btrfs_get_profile_configs()
|
||||
{
|
||||
if [ "$FSTYP" != "btrfs" ]; then
|
||||
return
|
||||
fi
|
||||
|
||||
if [ -z "$BTRFS_PROFILE_CONFIGS" ]; then
|
||||
# Default configurations to test.
|
||||
local configs=(
|
||||
"single:single"
|
||||
"dup:single"
|
||||
"raid0:raid0"
|
||||
"raid1:raid0"
|
||||
"raid1:raid1"
|
||||
"raid10:raid10"
|
||||
"raid5:raid5"
|
||||
"raid6:raid6"
|
||||
)
|
||||
else
|
||||
# User-provided configurations.
|
||||
local configs=(${BTRFS_PROFILE_CONFIGS[@]})
|
||||
fi
|
||||
|
||||
_btrfs_profile_configs=()
|
||||
for cfg in "${configs[@]}"; do
|
||||
local supported=true
|
||||
local profiles=(${cfg/:/ })
|
||||
if [ "$1" == "replace" ]; then
|
||||
# We can't do replace with these profiles because they
|
||||
# imply only one device ($SCRATCH_DEV), and we need to
|
||||
# keep $SCRATCH_DEV around for _scratch_mount
|
||||
# and _check_scratch_fs.
|
||||
local unsupported=(
|
||||
"dup"
|
||||
)
|
||||
elif [ "$1" == "replace-missing" ]; then
|
||||
# We can't replace missing devices with these profiles
|
||||
# because there isn't enough redundancy.
|
||||
local unsupported=(
|
||||
"single"
|
||||
"dup"
|
||||
"raid0"
|
||||
)
|
||||
else
|
||||
local unsupported=()
|
||||
fi
|
||||
for unsupp in "${unsupported[@]}"; do
|
||||
if [ "${profiles[0]}" == "$unsupp" -o "${profiles[1]}" == "$unsupp" ]; then
|
||||
if [ -z "$BTRFS_PROFILE_CONFIGS" ]; then
|
||||
# For the default config, just omit it.
|
||||
supported=false
|
||||
else
|
||||
# For user-provided config, don't run the test.
|
||||
_notrun "Profile $unsupp not supported for $1"
|
||||
fi
|
||||
fi
|
||||
done
|
||||
if "$supported"; then
|
||||
_btrfs_profile_configs+=("-m ${profiles[0]} -d ${profiles[1]}")
|
||||
fi
|
||||
done
|
||||
export _btrfs_profile_configs
|
||||
}
|
||||
|
||||
# stress btrfs by running balance operation in a loop
|
||||
_btrfs_stress_balance()
|
||||
{
|
||||
local options=$@
|
||||
while true; do
|
||||
$BTRFS_UTIL_PROG balance start $options
|
||||
done
|
||||
}
|
||||
|
||||
# stress btrfs by creating/mounting/umounting/deleting subvolume in a loop
|
||||
_btrfs_stress_subvolume()
|
||||
{
|
||||
local btrfs_dev=$1
|
||||
local btrfs_mnt=$2
|
||||
local subvol_name=$3
|
||||
local subvol_mnt=$4
|
||||
local stop_file=$5
|
||||
|
||||
mkdir -p $subvol_mnt
|
||||
while [ ! -e $stop_file ]; do
|
||||
$BTRFS_UTIL_PROG subvolume create $btrfs_mnt/$subvol_name
|
||||
$MOUNT_PROG -o subvol=$subvol_name $btrfs_dev $subvol_mnt
|
||||
$UMOUNT_PROG $subvol_mnt
|
||||
$BTRFS_UTIL_PROG subvolume delete $btrfs_mnt/$subvol_name
|
||||
done
|
||||
}
|
||||
|
||||
# stress btrfs by running scrub in a loop
|
||||
_btrfs_stress_scrub()
|
||||
{
|
||||
local btrfs_mnt=$1
|
||||
while true; do
|
||||
$BTRFS_UTIL_PROG scrub start -B $btrfs_mnt
|
||||
done
|
||||
}
|
||||
|
||||
# stress btrfs by defragmenting every file/dir in a loop and compress file
|
||||
# contents while defragmenting if second argument is not "nocompress"
|
||||
_btrfs_stress_defrag()
|
||||
{
|
||||
local btrfs_mnt=$1
|
||||
local compress=$2
|
||||
|
||||
while true; do
|
||||
if [ "$compress" == "nocompress" ]; then
|
||||
find $btrfs_mnt \( -type f -o -type d \) -exec \
|
||||
$BTRFS_UTIL_PROG filesystem defrag {} \;
|
||||
else
|
||||
find $btrfs_mnt \( -type f -o -type d \) -exec \
|
||||
$BTRFS_UTIL_PROG filesystem defrag -clzo {} \;
|
||||
find $btrfs_mnt \( -type f -o -type d \) -exec \
|
||||
$BTRFS_UTIL_PROG filesystem defrag -czlib {} \;
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
# stress btrfs by remounting it with different compression algorithms in a loop
|
||||
# run this with fsstress running at background could exercise the compression
|
||||
# code path and ensure no race when switching compression algorithm with constant
|
||||
# I/O activity.
|
||||
_btrfs_stress_remount_compress()
|
||||
{
|
||||
local btrfs_mnt=$1
|
||||
while true; do
|
||||
for algo in no zlib lzo; do
|
||||
$MOUNT_PROG -o remount,compress=$algo $btrfs_mnt
|
||||
done
|
||||
done
|
||||
}
|
||||
|
||||
# stress btrfs by replacing devices in a loop
|
||||
# Note that at least 3 devices are needed in SCRATCH_DEV_POOL and the last
|
||||
# device should be free(not used by btrfs)
|
||||
_btrfs_stress_replace()
|
||||
{
|
||||
local btrfs_mnt=$1
|
||||
|
||||
# The device number in SCRATCH_DEV_POOL should be at least 3,
|
||||
# one is SCRATCH_DEV, one is to be replaced, one is free device
|
||||
# we won't replace SCRATCH_DEV, see below for reason
|
||||
if [ "`echo $SCRATCH_DEV_POOL | wc -w`" -lt 3 ]; then
|
||||
echo "_btrfs_stress_replace requires at least 3 devices in SCRATCH_DEV_POOL"
|
||||
return
|
||||
fi
|
||||
|
||||
# take the last device as the first free_dev
|
||||
local free_dev="`echo $SCRATCH_DEV_POOL | $AWK_PROG '{print $NF}'`"
|
||||
|
||||
# free_dev should be really free
|
||||
if $BTRFS_UTIL_PROG filesystem show $btrfs_mnt | grep -q "$free_dev"; then
|
||||
echo "_btrfs_stress_replace: $free_dev is used by btrfs"
|
||||
return
|
||||
fi
|
||||
|
||||
# dev_pool is device list being currently used by btrfs (excluding SCRATCH_DEV)
|
||||
# and can be replaced. We don't replace SCRATCH_DEV because it will be used in
|
||||
# _scratch_mount and _check_scratch_fs etc.
|
||||
local dev_pool=`echo $SCRATCH_DEV_POOL | sed -e "s# *$SCRATCH_DEV *##" \
|
||||
-e "s# *$free_dev *##"`
|
||||
|
||||
# set the first device in dev_pool as the first src_dev to be replaced
|
||||
local src_dev=`echo $dev_pool | $AWK_PROG '{print $1}'`
|
||||
|
||||
echo "dev_pool=$dev_pool"
|
||||
echo "free_dev=$free_dev, src_dev=$src_dev"
|
||||
while true; do
|
||||
echo "Replacing $src_dev with $free_dev"
|
||||
$BTRFS_UTIL_PROG replace start -fB $src_dev $free_dev $btrfs_mnt
|
||||
if [ $? -ne 0 ]; then
|
||||
# don't update src_dev and free_dev if replace failed
|
||||
continue
|
||||
fi
|
||||
dev_pool="$dev_pool $free_dev"
|
||||
dev_pool=`echo $dev_pool | sed -e "s# *$src_dev *##"`
|
||||
free_dev=$src_dev
|
||||
src_dev=`echo $dev_pool | $AWK_PROG '{print $1}'`
|
||||
done
|
||||
}
|
||||
|
||||
# find the right option to force output in bytes, older versions of btrfs-progs
|
||||
# print that by default, newer print human readable numbers with unit suffix
|
||||
_btrfs_qgroup_units()
|
||||
{
|
||||
$BTRFS_UTIL_PROG qgroup show --help 2>&1 | grep -q -- --raw && echo "--raw"
|
||||
}
|
||||
|
||||
# return device size in kb
|
||||
_get_device_size()
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user