| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2018 RedHat Inc. All Rights Reserved. |
| # |
| # FS QA Test 504 |
| # |
| # Regression test case for kernel patch: |
| # fs/lock: skip lock owner pid translation in case we are in init_pid_ns |
| # |
| # Open new fd by exec shell built-in, then require exclusive lock |
| # by flock(1) command. Checking /proc/locks for the lock info. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick locks |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| exec {test_fd}<&- |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_test |
| _require_command "$FLOCK_PROG" "flock" |
| |
| # Create test file and find its inode NO. |
| testfile=$TEST_DIR/flock_testfile_$seq |
| touch $testfile |
| tf_inode=$(stat -c %i $testfile) |
| echo inode $tf_inode >> $seqres.full |
| |
| # Create new fd by exec |
| exec {test_fd}> $testfile |
| # flock locks the fd then exits, we should see the lock info even the owner is dead |
| flock -x $test_fd |
| cat /proc/locks >> $seqres.full |
| |
| # Checking |
| grep -q ":$tf_inode " /proc/locks || echo "lock info not found" |
| |
| # success, all done |
| status=0 |
| echo "Silence is golden" |
| exit |
