| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2018 CTERA Networks. All Rights Reserved. |
| # |
| # FS QA Test No. 491 |
| # |
| # Test first read with freeze right after mount. |
| # |
| # With ext4, this leads to freeze proection bypass WARN_ON in |
| # ext4_journal_check_start. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick freeze mount |
| |
| # Override the default cleanup function. |
| _cleanup() |
| { |
| cd / |
| # Make sure $SCRATCH_MNT is unfreezed |
| xfs_freeze -u $SCRATCH_MNT 2>/dev/null |
| rm -f $tmp.* |
| } |
| |
| # Import common functions. |
| . ./common/filter |
| |
| _require_scratch |
| _require_freeze |
| _require_command "$TIMEOUT_PROG" "timeout" |
| |
| testfile=$SCRATCH_MNT/foo |
| |
| # Create a filesystem with a file |
| _scratch_mkfs >>$seqres.full 2>&1 |
| _scratch_mount |
| echo "frozen" > $testfile |
| |
| # Mount filesystem "noatime" and freeze right after mount - |
| # reads should not block |
| _scratch_cycle_mount "noatime" |
| xfs_freeze -f $SCRATCH_MNT |
| |
| # Read file while filesystem is frozen should succeed |
| # without blocking |
| $TIMEOUT_PROG -s KILL 5s cat $testfile |
| |
| xfs_freeze -u $SCRATCH_MNT |
| |
| status=0 |
| exit |
