The branch main has been updated by pho:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=70cb626635fa18d654c3a1ec2e8e3f8749b64c31

commit 70cb626635fa18d654c3a1ec2e8e3f8749b64c31
Author:     Peter Holm <[email protected]>
AuthorDate: 2022-03-03 13:29:18 +0000
Commit:     Peter Holm <[email protected]>
CommitDate: 2022-03-03 13:29:18 +0000

    stress2: Reworked and cleaned up this test scenaio.
---
 tools/test/stress2/misc/gnop10.sh | 56 +++++++++++++++++----------------------
 1 file changed, 25 insertions(+), 31 deletions(-)

diff --git a/tools/test/stress2/misc/gnop10.sh 
b/tools/test/stress2/misc/gnop10.sh
index 80ddc2fe1216..012104cbf9ed 100755
--- a/tools/test/stress2/misc/gnop10.sh
+++ b/tools/test/stress2/misc/gnop10.sh
@@ -27,7 +27,7 @@
 # SUCH DAMAGE.
 #
 
-# fsck test with forced unmount of a SUJ FS.
+# fsck test with forced unmount of a SU FS.
 # Variation of gnop8.sh by Kirk McKusick <[email protected]>
 
 # Copy of gnop9.sh. Uses SU instead of SUJ.
@@ -41,9 +41,7 @@ pgrep -x mount && { pgrep -x mount | xargs ps -lp; exit 1; }
 
 fsck=/sbin/fsck_ffs
 fsck_loops=10
-exp=/sbin/fsck_ffs.exp # Experimental version
 log=/tmp/gnop10.log
-[ -f $exp ] && { echo "Using $exp"; fsck=$exp; }
 [ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
 mdconfig -a -t swap -s 5g -u $mdstart || exit 1
 md=md$mdstart
@@ -72,27 +70,27 @@ testcases/dirnprename/dirnprename
 testcases/dirrename/dirrename
 '
 
-set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
-export KBLOCKS=$(($1 / 10 * 7))
-export INODES=$(($2 / 10 * 7))
-
 start=`date +%s`
 while [ $((`date +%s` - start)) -lt 600 ]; do
        gnop create /dev/$md || exit 1
        mount /dev/$md.nop $mntpoint || exit 1
+
+       rm -rf $RUNDIR $CTRLDIR
        mkdir -p $RUNDIR $CTRLDIR
        chmod 777 $RUNDIR $CTRLDIR
+       set `df -ik $mntpoint | tail -1 | awk '{print $4,$7}'`
+       export KBLOCKS=$(($1 / 10 * 7))
+       export INODES=$(($2 / 10 * 7))
 
        # start your favorite I/O test here
-       rm -rf /tmp/stressX.control
-       (cd $RUNDIR && find . -delete)
 
-       su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' &
+       su $testuser -c 'cd ..; ./testcases/run/run $TESTPROGS' > /dev/null 
2>&1 &
 
        # after some number of seconds
-       sleep `jot -r 1 30 90`
+       sleep `jot -r 1 20 30`
        gnop destroy -f /dev/$md.nop
        ../tools/killall.sh || exit 1
+       while pgrep -qU $testuser; do pkill -U $testuser; done
        wait
 
        # Wait until forcible unmount, may be up to about 30 seconds,
@@ -102,37 +100,33 @@ while [ $((`date +%s` - start)) -lt 600 ]; do
        while mount | grep -q "on $mntpoint "; do
                [ $n -eq 0 ] && /bin/echo -n "Waiting for $mntpoint to force 
umount ..."
                n=$((n + 1))
-               sleep 2
+               sleep 5
                if [ $((`date +%s` - s)) -ge 180 ]; then
-                   echo "Giving up on waiting for umount of $mntpoint"
-                   umount $mntpoint || umount -f $mntpoint
-                   break
+                       echo "Giving up on waiting for umount of $mntpoint"
+                       umount $mntpoint
+                       while mount | grep -q "on $mntpoint "; do
+                           umount -f $mntpoint
+                       done
                fi
        done
        [ $n -ne 0 ] && echo
 
-       # first fsck will attempt journal recovery
-       $fsck -fy /dev/$md > $log 2>&1
-
-       # The second fsck will do traditional check for any errors
-       # from journal recovery
+       # The initial fsck_ffs may run for more than on hour with a 5GB MD disk
+       t=`date +%s`
+       $fsck -fy /dev/$md > /dev/null 2>&1
+       t=$((`date +%s`- t))
+       [ $t -gt 300 ] && echo "First fsck took $(((t + 30) / 60)) minutes!"
 
-       # There seems to be a gnop cache issue, which resolves by adding
-       # delays between each fsck run
        for i in `jot $fsck_loops`; do
-               sleep $((i * i))        # gnop workaround
-               [ $i -ne 1 ] &&
-                   echo "`date +%T` $fsck loop #$((i + 1))"
+               sleep 10
                $fsck -fy /dev/$md > $log 2>&1
-               grep -Eq "IS CLEAN|MARKED CLEAN" $log && break
+               # For now, do not trust fsck_ffs's "CLEAN" message
+#              grep -Eq "IS CLEAN|MARKED CLEAN" $log && break
+               grep -Eq "FILE SYSTEM WAS MODIFIED" $log || break
                [ $i -eq $fsck_loops ] &&
-                   { echo "$fsck did not mark FS as clean"; exit 1; }
-               [ $i -ne 1 ] && tail -3 $log
-               sync; sleep 5; sync; sleep 5
+                   { echo "$fsck did not mark FS as clean"; tail -12 $log; 
exit 1; }
        done
 done
-echo "Final $fsck"
-sleep 3; # gnop workaround
 $fsck -fy /dev/$md > $log || { tail -5 $log; exit 1; }
 mdconfig -d -u ${md#md}
 rm -f $log

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