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btrfs/232: fix umount failure due to fsstress still running

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We start a process that runs fsstress, then kill the process, wait for it
to die and then end the test, where we attempt to unmount the fs which
often fails because the fsstress subcommand started by the process is
still running and using the mount point. This results in a test failure:

  btrfs/232 1s ... umount: /home/fdmanana/btrfs-tests/scratch_1: target is busy.
  _check_btrfs_filesystem: filesystem on /dev/sdc is inconsistent
  (see /home/fdmanana/git/hub/xfstests/results//btrfs/232.full for details)

Fix that by adding a trap to the writer() function.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Filipe Manana
2021-03-18 11:48:15 +00:00
committed by Eryu Guan
parent 3d15d3fe85
commit 7c476f1890
1 changed files with 4 additions and 0 deletions
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tests/btrfs/232
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@@ -32,6 +32,10 @@ _cleanup()
writer()
{
# Wait for running fsstress subcommand before exitting so that
# mountpoint is not busy when we try to unmount it.
trap "wait; exit" SIGTERM
while true; do
args=`_scale_fsstress_args -p 20 -n 1000 $FSSTRESS_AVOID -d $SCRATCH_MNT/stressdir`
$FSSTRESS_PROG $args >/dev/null 2>&1