xfs: functional testing of V5-relevant options

[xfstests-dev.git] / common / xfs

diff --git a/common/xfs b/common/xfs
index 69f76d6e81a22031fb3e99b386bc7060cc09fcf1..8cb3662f36d448d471268595c60e49b0dc2cd9b3 100644 (file)
--- a/common/xfs
+++ b/common/xfs
@@ -269,9 +269,21 @@ _test_xfs_db()
 _scratch_xfs_admin()
 {
        local options=("$SCRATCH_DEV")
+       local rt_opts=()
        [ "$USE_EXTERNAL" = yes -a ! -z "$SCRATCH_LOGDEV" ] && \
                options+=("$SCRATCH_LOGDEV")
-       $XFS_ADMIN_PROG "$@" "${options[@]}"
+       if [ "$USE_EXTERNAL" = yes ] && [ -n "$SCRATCH_RTDEV" ]; then
+               $XFS_ADMIN_PROG --help 2>&1 | grep -q 'rtdev' || \
+                       _notrun 'xfs_admin does not support rt devices'
+               rt_opts+=(-r "$SCRATCH_RTDEV")
+       fi
+
+       # xfs_admin in xfsprogs 5.11 has a bug where an external log device
+       # forces xfs_db to be invoked, potentially with zero command arguments.
+       # When this happens, xfs_db will wait for input on stdin, which causes
+       # fstests to hang.  Since xfs_admin is not an interactive tool, we
+       # can redirect stdin from /dev/null to prevent this issue.
+       $XFS_ADMIN_PROG "${rt_opts[@]}" "$@" "${options[@]}" < /dev/null
 }
 
 _scratch_xfs_logprint()
@@ -300,6 +312,14 @@ _scratch_xfs_check()
        _xfs_check $SCRATCH_OPTIONS $* $SCRATCH_DEV
 }
 
+# Check for secret debugging hooks in xfs_repair
+_require_libxfs_debug_flag() {
+       local hook="$1"
+
+       grep -q "$hook" "$(type -P xfs_repair)" || \
+               _notrun "libxfs debug hook $hook not detected?"
+}
+
 _scratch_xfs_repair()
 {
        SCRATCH_OPTIONS=""
@@ -1079,3 +1099,57 @@ _require_xfs_copy()
        [ "$USE_EXTERNAL" = yes ] && \
                _notrun "Cannot xfs_copy with external devices"
 }
+
+__xfs_cowgc_interval_knob1="/proc/sys/fs/xfs/speculative_cow_prealloc_lifetime"
+__xfs_cowgc_interval_knob2="/proc/sys/fs/xfs/speculative_prealloc_lifetime"
+
+_xfs_set_cowgc_interval() {
+       if [ -w $__xfs_cowgc_interval_knob1 ]; then
+               echo "$@" > $__xfs_cowgc_interval_knob1
+       elif [ -w $__xfs_cowgc_interval_knob2 ]; then
+               echo "$@" > $__xfs_cowgc_interval_knob2
+       else
+               _fail "Can't find cowgc interval procfs knob?"
+       fi
+}
+
+_xfs_get_cowgc_interval() {
+       if [ -w $__xfs_cowgc_interval_knob1 ]; then
+               cat $__xfs_cowgc_interval_knob1
+       elif [ -w $__xfs_cowgc_interval_knob2 ]; then
+               cat $__xfs_cowgc_interval_knob2
+       else
+               _fail "Can't find cowgc interval procfs knob?"
+       fi
+}
+
+# Print the status of the given features on the scratch filesystem.
+# Returns 0 if all features are found, 1 otherwise.
+_check_scratch_xfs_features()
+{
+       local features="$(_scratch_xfs_db -c 'version')"
+       local output=("FEATURES:")
+       local found=0
+
+       for feature in "$@"; do
+               local status="NO"
+               if echo "${features}" | grep -q -w "${feature}"; then
+                       status="YES"
+                       found=$((found + 1))
+               fi
+               output+=("${feature}:${status}")
+       done
+
+       echo "${output[@]}"
+       test "${found}" -eq "$#"
+}
+
+# Decide if xfs_repair knows how to set (or clear) a filesystem feature.
+_require_xfs_repair_upgrade()
+{
+       local type="$1"
+
+       $XFS_REPAIR_PROG -c "$type=garbagevalue" 2>&1 | \
+               grep -q 'unknown option' && \
+               _notrun "xfs_repair does not support upgrading fs with $type"
+}