tests/generic/605

   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 605
   6 #
   7 # Test per-inode DAX flag by mmap direct/buffered IO.
   8 #
   9 . ./common/preamble
  10 _begin_fstest auto attr quick dax
  11
  12 # Import common functions.
  13 . ./common/filter
  14
  15 _supported_fs generic
  16 _require_scratch_dax_mountopt "dax=always"
  17 _require_test_program "feature"
  18 _require_test_program "t_mmap_dio"
  19 _require_dax_iflag
  20 _require_xfs_io_command "falloc"
  21
  22 SRC_DIR=$SCRATCH_MNT/src
  23 SRC_FILE=$SRC_DIR/tf_s
  24 DST_DIR=$SCRATCH_MNT/dst
  25 DST_FILE=$DST_DIR/tf_d
  26
  27 prep_directories()
  28 {
  29         mkdir -p $SRC_DIR $DST_DIR
  30 }
  31
  32 prep_files()
  33 {
  34         rm -f $SRC_FILE $DST_FILE
  35         $XFS_IO_PROG -f -c "falloc 0 $tsize" \
  36                 $SRC_FILE $DST_FILE >> $seqres.full 2>&1
  37 }
  38
  39 t_both_dax()
  40 {
  41         $XFS_IO_PROG -c "chattr +x" $SRC_DIR $DST_DIR
  42         prep_files
  43         # with O_DIRECT first
  44         $here/src/t_mmap_dio $SRC_FILE $DST_FILE \
  45                 $1 "dio both dax"
  46
  47         prep_files
  48         # again with buffered IO
  49         $here/src/t_mmap_dio -b $SRC_FILE $DST_FILE \
  50                 $1 "buffered both dax"
  51 }
  52
  53 t_nondax_to_dax()
  54 {
  55         $XFS_IO_PROG -c "chattr -x" $SRC_DIR
  56         $XFS_IO_PROG -c "chattr +x" $DST_DIR
  57         prep_files
  58         $here/src/t_mmap_dio $SRC_FILE $DST_FILE \
  59                 $1 "dio nondax to dax"
  60
  61         prep_files
  62         $here/src/t_mmap_dio -b $SRC_FILE $DST_FILE \
  63                 $1 "buffered nondax to dax"
  64 }
  65
  66 t_dax_to_nondax()
  67 {
  68         $XFS_IO_PROG -c "chattr +x" $SRC_DIR
  69         $XFS_IO_PROG -c "chattr -x" $DST_DIR
  70         prep_files
  71         $here/src/t_mmap_dio $SRC_FILE $DST_FILE \
  72                 $1 "dio dax to nondax"
  73
  74         prep_files
  75         $here/src/t_mmap_dio -b $SRC_FILE $DST_FILE \
  76                 $1 "buffered dax to nondax"
  77 }
  78
  79 t_both_nondax()
  80 {
  81         $XFS_IO_PROG -c "chattr -x" $SRC_DIR $DST_DIR
  82         prep_files
  83         $here/src/t_mmap_dio $SRC_FILE $DST_FILE \
  84                 $1 "dio both nondax"
  85
  86         prep_files
  87         $here/src/t_mmap_dio -b $SRC_FILE $DST_FILE \
  88                 $1 "buffered both nondax"
  89 }
  90
  91 # $1 mmap read/write size
  92 t_dax_flag_mmap_dio()
  93 {
  94         t_both_dax $1
  95         t_dax_to_nondax $1
  96         t_nondax_to_dax $1
  97         t_both_nondax $1
  98 }
  99
 100 do_tests()
 101 {
 102         local mount_option=$1
 103
 104         _scratch_mount "$mount_option"
 105
 106         prep_directories
 107         # less than page size
 108         t_dax_flag_mmap_dio 1024
 109         # page size
 110         t_dax_flag_mmap_dio `$here/src/feature -s`
 111         # bigger sizes, for PMD faults
 112         t_dax_flag_mmap_dio $((16 * 1024 * 1024))
 113         t_dax_flag_mmap_dio $((64 * 1024 * 1024))
 114
 115         _scratch_unmount
 116 }
 117
 118 # make xfs aligned for PMD fault testing
 119 _scratch_mkfs_geom $(_get_hugepagesize) 1 >> $seqres.full 2>&1
 120
 121 tsize=$((128 * 1024 * 1024))
 122
 123 # mount with dax=inode option
 124 do_tests "-o dax=inode"
 125
 126 # mount without dax option
 127 export MOUNT_OPTIONS=""
 128 do_tests
 129
 130 # success, all done
 131 echo "Silence is golden"
 132 status=0
 133 exit