tests/fsck-tests/025-file-extents/test.sh

   1 #!/bin/bash
   2 # Confirm btrfs check can check file extents without causing false alert
   3
   4 source $TOP/tests/common
   5
   6 check_prereq btrfs
   7 check_prereq mkfs.btrfs
   8 check_global_prereq xfs_io
   9 check_global_prereq fallocate
  10
  11 setup_root_helper
  12 prepare_test_dev 128M
  13
  14 # Do some write into a large prealloc range
  15 # Lowmem mode can report missing csum due to wrong csum range
  16 test_paritical_write_into_prealloc()
  17 {
  18         run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV"
  19         run_check_mount_test_dev
  20
  21         run_check fallocate -l 128K "$TEST_MNT/file"
  22         sync
  23         run_check xfs_io -c "pwrite 0 64K" "$TEST_MNT/file"
  24         run_check_umount_test_dev
  25         run_check "$TOP/btrfs" check "$TEST_DEV"
  26 }
  27
  28 # Inline compressed file extent
  29 # Lowmem mode can cause silent error without any error message
  30 # due to too restrict check on inline extent size
  31 test_compressed_inline_extent()
  32 {
  33         run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV"
  34         run_check_mount_test_dev -o compress=lzo,max_inline=2048
  35
  36         run_check xfs_io -f -c "pwrite 0 1K" "$TEST_MNT/file"
  37         run_check_umount_test_dev
  38         run_check "$TOP/btrfs" check "$TEST_DEV"
  39 }
  40
  41 test_paritical_write_into_prealloc
  42 test_compressed_inline_extent