tests/generic/413

   1 #! /bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (c) 2017 Red Hat Inc.  All Rights Reserved.
   4 #
   5 # FS QA Test 413
   6 #
   7 # mmap direct/buffered io between DAX and non-DAX mountpoints.
   8 #
   9 . ./common/preamble
  10 _begin_fstest auto quick dax
  11
  12 # Import common functions.
  13 . ./common/filter
  14
  15 _supported_fs generic
  16 _require_test
  17 _require_scratch_dax_mountopt "dax"
  18 _require_test_program "feature"
  19 _require_test_program "t_mmap_dio"
  20 _require_xfs_io_command "falloc"
  21
  22 prep_files()
  23 {
  24         rm -f $SCRATCH_MNT/tf_{s,d}
  25         rm -f $TEST_DIR/tf_{s,d}
  26
  27         $XFS_IO_PROG -f -c "falloc 0 $tsize" \
  28                 $SCRATCH_MNT/tf_{s,d} >> $seqres.full 2>&1
  29         $XFS_IO_PROG -f -c "falloc 0 $tsize" \
  30                 $TEST_DIR/tf_{s,d} >> $seqres.full 2>&1
  31 }
  32
  33 t_both_dax()
  34 {
  35         prep_files
  36         # with O_DIRECT first
  37         $here/src/t_mmap_dio $SCRATCH_MNT/tf_{s,d} $1 "dio both dax"
  38
  39         prep_files
  40         # again with buffered IO
  41         $here/src/t_mmap_dio -b $SCRATCH_MNT/tf_{s,d} \
  42                 $1 "buffered both dax"
  43 }
  44
  45 t_nondax_to_dax()
  46 {
  47         prep_files
  48         $here/src/t_mmap_dio $TEST_DIR/tf_s \
  49                 $SCRATCH_MNT/tf_d $1 "dio nondax to dax"
  50
  51         prep_files
  52         $here/src/t_mmap_dio -b $TEST_DIR/tf_s \
  53                 $SCRATCH_MNT/tf_d $1 "buffered nondax to dax"
  54 }
  55
  56 t_dax_to_nondax()
  57 {
  58         prep_files
  59         $here/src/t_mmap_dio $SCRATCH_MNT/tf_s \
  60                 $TEST_DIR/tf_d $1 "dio dax to nondax"
  61
  62         prep_files
  63         $here/src/t_mmap_dio -b $SCRATCH_MNT/tf_s \
  64                 $TEST_DIR/tf_d $1 "buffered dax to nondax"
  65 }
  66
  67 t_both_nondax()
  68 {
  69         prep_files
  70         $here/src/t_mmap_dio $TEST_DIR/tf_{s,d} $1 "dio both nondax"
  71
  72         prep_files
  73         $here/src/t_mmap_dio -b $TEST_DIR/tf_{s,d} \
  74                 $1 "buffered both nondax"
  75 }
  76
  77 # $1 mmap read/write size
  78 t_mmap_dio_dax()
  79 {
  80         t_both_dax $1
  81         t_dax_to_nondax $1
  82         t_nondax_to_dax $1
  83         t_both_nondax $1
  84 }
  85
  86 do_tests()
  87 {
  88         # less than page size
  89         t_mmap_dio_dax 1024
  90         # page size
  91         t_mmap_dio_dax `$here/src/feature -s`
  92         # bigger sizes, for PMD faults
  93         t_mmap_dio_dax $((16 * 1024 * 1024))
  94         t_mmap_dio_dax $((64 * 1024 * 1024))
  95 }
  96
  97 # make fs aligned for PMD fault testing
  98 _scratch_mkfs_geom $(_get_hugepagesize) 1 >> $seqres.full 2>&1
  99
 100 # mount SCRATCH_DEV with dax option, TEST_DEV not
 101 export MOUNT_OPTIONS=""
 102 export TEST_FS_MOUNT_OPTS=""
 103 _test_cycle_mount
 104 _fs_options $TEST_DEV | grep -qw "dax" && \
 105         _notrun "we need $TEST_DEV mount without dax"
 106 _scratch_mount "-o dax"
 107
 108 tsize=$((128 * 1024 * 1024))
 109
 110 do_tests
 111
 112 # success, all done
 113 echo "Silence is golden"
 114 status=0
 115 exit