3 # Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
5 # This program is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU General Public License as
7 # published by the Free Software Foundation.
9 # This program is distributed in the hope that it would be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write the Free Software Foundation,
16 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 # common functions for excersizing hole punches with extent size hints etc.
21 # source dmap_scratch_mount etc.
25 echo "# spawning test file with $*"
27 local file_size=`expr $2 \* $blksize`
28 local extent_size_hint=`expr $3 \* $blksize`
30 local reserve_space=$5
32 if [ $extent_size_hint -ne 0 ]; then
33 echo "+ setting extent size hint to $extent_size_hint"
35 -c "extsize $extent_size_hint" \
38 # print extent size hint for $test_file
43 if [ "$reserve_space" == "noresv" ]; then
44 echo "+ not using resvsp at file creation"
46 -c "truncate $file_size" \
50 -c "truncate $file_size" \
51 -c "resvsp 0 $file_size" \
57 echo "# punching with $*"
58 # punch or bite the ear off $test_file to create a hole
60 local punch_offset=`expr $2 \* $blksize`
61 local punch_size=`expr $3 \* $blksize`
62 local punch_type=$4 # u for unresvsp, d for dm_punch
65 if [ "$punch_type" == "u" ]; then
66 echo "+ hole punch using unresvsp"
68 -c "unresvsp $punch_offset $punch_size" \
71 if [ "$punch_type" == "d" ]; then
72 echo "+ hole punch using dmapi punch_hole"
73 ${DMAPI_QASUITE1_DIR}cmd/punch_hole -o $punch_offset -l $punch_size \
74 ${SCRATCH_MNT}/$test_file
79 echo "# writing with $*"
81 local write_offset=`expr $2 \* $blksize`
82 local write_size=`expr $3 \* $blksize`
86 -c "pwrite $write_offset $write_size" \
91 echo "# showing file state $*"
100 echo "# testing $* ..."
102 # all points and sizes below are in terms of filesystem blocks
103 local extsize_hint_blks=$2 # extent size hint in FS blocks, 0=do not set
104 local file_size_blks=$3 # the file size in blocks
105 local punch_points_blks=( $4 ) # array of places to punch holes in the file
106 local punch_sizes_blks=( $5 ) # array of size of each punch in blocks
107 local punch_types=( $6 ) # array of u=unresvsp or d=dm_punch
108 local write_points_blks=( $7 ) # array of places to pwrite in the file
109 local write_sizes_blks=( $8 ) # array of size of each write
111 local punch_write_order=( $9 ) # array of punch/write operation order
112 # e.g. "w p w w p" means: do 1st write...
113 # then 1st punch, 2nd & 3rd write, 2nd punch
114 local resvsp=${10} # if "noresv" then don't resvsp on file create
115 local filename=punch_test_file
118 umount $SCRATCH_MNT >/dev/null 2>&1
120 _scratch_mkfs_xfs -bsize=$blksize >/dev/null 2>&1 \
121 || _fail "mkfs failed"
123 local this_punch_type=""
124 local dmap_punch_used=0
125 for this_punch_type in "${punch_types[@]}"; do
126 [ "$this_punch_type" == "d" ] && dmap_punch_used=1
128 if [ $dmap_punch_used -ne 0 ]; then
129 # a punch type of dm_punch has been specified, do a dmapi mount
130 echo "+ mounting with dmapi enabled"
133 # only unresvsp punch type is used, just do a normal mount
134 _scratch_mount || _fail "mount failed"
139 # check a size is specified for each punch
140 [ ${#punch_points_blks[*]} -eq ${#punch_sizes_blks[*]} ] \
141 || _fail "num punch points given does not equal num punch sizes"
143 # check a type is specified for each punch
144 [ ${#punch_points_blks[*]} -eq ${#punch_types[*]} ] \
145 || _fail "num punch points given does not equal num punch types"
147 # check a size is specified for each write
148 [ ${#write_points_blks[*]} -eq ${#write_sizes_blks[*]} ] \
149 || _fail "num write points given does not equal num write sizes"
151 # check punch_write_order operations match number of punches + writes
152 local total_pw_operations=`expr ${#punch_points_blks[*]} + ${#write_points_blks[*]}`
153 [ $total_pw_operations -eq ${#punch_write_order[*]} ] \
154 || _fail "punch_write_order ops doesn't match number of punches + writes"
156 # create the file and setup extent size hint
157 _spawn_test_file $blksize $file_size_blks $extsize_hint_blks $filename $resvsp
159 # do the writes and punches
163 for operation in "${punch_write_order[@]}"; do
164 if [ "$operation" == "p" ]; then
165 _do_punch $blksize ${punch_points_blks[$punch_index]} \
166 ${punch_sizes_blks[$punch_index]} ${punch_types[$punch_index]} \
168 punch_index=`expr $punch_index + 1`
170 if [ "$operation" == "w" ]; then
171 _do_write $blksize ${write_points_blks[$write_index]} \
172 ${write_sizes_blks[$write_index]} $filename
173 write_index=`expr $write_index + 1`
176 _do_bmap $filename # print out the state of the file