esac
}
+# Filter out any keys with an array index >= 10, collapse any array range
+# ("[1-195]") to the first item, and ignore padding fields.
+__filter_xfs_db_keys() {
+ sed -e '/\([a-z]*\)\[\([0-9][0-9]\+\)\].*/d' \
+ -e 's/\([a-zA-Z0-9_]*\)\[\([0-9]*\)-[0-9]*\]/\1[\2]/g' \
+ -e '/pad/d'
+}
+
# Filter the xfs_db print command's field debug information
# into field name and type.
__filter_xfs_db_print_fields() {
filter='^'
fi
grep ' = ' | while read key equals value; do
- # Filter out any keys with an array index >= 10, and
- # collapse any array range ("[1-195]") to the first item.
- fuzzkey="$(echo "${key}" | sed -e '/\([a-z]*\)\[\([0-9][0-9]\+\)\].*/d' -e 's/\([a-zA-Z0-9_]*\)\[\([0-9]*\)-[0-9]*\]/\1[\2]/g')"
+ fuzzkey="$(echo "${key}" | __filter_xfs_db_keys)"
if [ -z "${fuzzkey}" ]; then
continue
elif [[ "${value}" == "["* ]]; then
echo "${value}" | sed -e 's/^.//g' -e 's/.$//g' -e 's/,/\n/g' | while read subfield; do
echo "${fuzzkey}.${subfield}"
- done
+ done | __filter_xfs_db_keys
else
echo "${fuzzkey}"
fi
_scratch_xfs_db "${cmds[@]}" -c print | __filter_xfs_db_print_fields "${filter}"
}
-# Get a metadata field
-# The first arg is the field name
-# The rest of the arguments are xfs_db commands to find the metadata.
-_scratch_xfs_get_metadata_field() {
- key="$1"
- shift
-
- grep_key="$(echo "${key}" | tr '[]()' '....')"
- local cmds=()
- for arg in "$@"; do
- cmds+=("-c" "${arg}")
- done
- _scratch_xfs_db "${cmds[@]}" -c "print ${key}" | grep "^${grep_key}" | \
- sed -e 's/^.* = //g'
-}
-
-# Set a metadata field
-# The first arg is the field name
-# The second arg is the new value
-# The rest of the arguments are xfs_db commands to find the metadata.
-_scratch_xfs_set_metadata_field() {
- key="$1"
- value="$2"
- shift; shift
-
- local cmds=()
- for arg in "$@"; do
- cmds+=("-c" "${arg}")
- done
- _scratch_xfs_db -x "${cmds[@]}" -c "write -d ${key} ${value}"
- echo
-}
-
# Fuzz a metadata field
# The first arg is the field name
# The second arg is the xfs_db fuzz verb
for arg in "$@"; do
cmds+=("-c" "${arg}")
done
- _scratch_xfs_db -x "${cmds[@]}" -c "fuzz ${fuzz_arg} ${key} ${value}"
- echo
- newval="$(_scratch_xfs_get_metadata_field "${key}" "$@" 2> /dev/null)"
+ while true; do
+ _scratch_xfs_db -x "${cmds[@]}" -c "fuzz ${fuzz_arg} ${key} ${value}"
+ echo
+ newval="$(_scratch_xfs_get_metadata_field "${key}" "$@" 2> /dev/null)"
+ if [ "${key}" != "random" ] || [ "${oldval}" != "${newval}" ]; then
+ break;
+ fi
+ done
if [ "${oldval}" = "${newval}" ]; then
echo "Field ${key} already set to ${newval}, skipping test."
return 1