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generic/299: limit max file size

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For some filesystem, such as vfat, the max support file size is 4G.
We limit the max size and let the test go on running.

Fix it by moving the function get_max_file_size() of generci/485 to
common/rc, and add the max filesize limit to generic/299.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Yufen Yu
2019-02-26 22:11:53 +08:00
committed by Eryu Guan
parent 0680ff2ea5
commit d34e87ea0f
3 changed files with 30 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/rc
+23
View File
@@ -3810,6 +3810,29 @@ _require_scratch_feature()
esac
}
# Get the maximum size of a file in $TEST_DIR (s_maxbytes). On ext4 this will
# be UINT32_MAX * block_size, but other filesystems may allow up to LLONG_MAX.
_get_max_file_size()
{
local testfile=$TEST_DIR/maxfilesize.$seq
local l=0
local r=9223372036854775807 # LLONG_MAX
rm -f $testfile
while (( l < r )); do
# Use _math() to avoid signed integer overflow.
local m=$(_math "($l + $r + 1) / 2")
if $XFS_IO_PROG -f -c "truncate $m" $testfile \
|& grep -q 'File too large'
then
r=$(( m - 1 ))
else
l=$m
fi
done
echo $l
}
# The maximum filesystem label length, /not/ including terminating NULL
_label_get_max()
{
tests/generic/299
+6
View File
@@ -25,6 +25,7 @@ trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
# real QA test starts here
_supported_fs generic
_supported_os Linux
_require_test
_require_scratch
_require_odirect
_require_block_device $SCRATCH_DEV
@@ -33,6 +34,11 @@ NUM_JOBS=$((4*LOAD_FACTOR))
BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
FILE_SIZE=$((BLK_DEV_SIZE * 512))
max_file_size=$(_get_max_file_size)
if [ $max_file_size -lt $FILE_SIZE ]; then
FILE_SIZE=$max_file_size
fi
cat >$fio_config <<EOF
###########
# $seq test fio activity
tests/generic/485
+1 -24
View File
@@ -37,31 +37,8 @@ _require_xfs_io_command "falloc" "-k"
_require_xfs_io_command "finsert"
_require_xfs_io_command "truncate"
# Get the maximum size of a file in $TEST_DIR (s_maxbytes). On ext4 this will
# be UINT32_MAX * block_size, but other filesystems may allow up to LLONG_MAX.
get_max_file_size()
{
local testfile=$TEST_DIR/maxfilesize.$seq
local l=0
local r=9223372036854775807 # LLONG_MAX
rm -f $testfile
while (( l < r )); do
# Use _math() to avoid signed integer overflow.
local m=$(_math "($l + $r + 1) / 2")
if $XFS_IO_PROG -f -c "truncate $m" $testfile \
|& grep -q 'File too large'
then
r=$(( m - 1 ))
else
l=$m
fi
done
echo $l
}
block_size=$(_get_file_block_size $TEST_DIR)
max_file_size=$(get_max_file_size)
max_file_size=$(_get_max_file_size)
max_blocks=$((max_file_size / block_size))
testfile=$TEST_DIR/testfile.$seq