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common/rc: factor out _scratch_xfs_[get|set]_sb_field

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It's common to get and set the values of fields in XFS super block,
so factor them out as scratch_xfs_[get|set]_sb_field, reimplement
them based on _scratch_xfs_[get|set]_metadata_field, and update the
related test cases accordingly.

Also move _scratch_xfs_[get|set]_metadata_field from common/fuzzy to
common/xfs.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Hou Tao
2018-01-11 14:49:33 +08:00
committed by Eryu Guan
parent b237e01b12
commit 20cb5f1199
10 changed files with 64 additions and 72 deletions
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common/fuzzy
-33
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@@ -126,39 +126,6 @@ _scratch_xfs_list_metadata_fields() {
_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