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Reduce size of zvol and enforce 4k blocksize in zvol tests

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32-bit builders in the buildbot are having trouble completing
their ENOSPC testing in less than the timeout. Reduce the
zvol size and use a 4k block size to reduce read-modify-writes
which are particularly expensive on 32-bit systems due to the
reduced maximum ARC size.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Kash Pande <kash@tripleback.net>
Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Closes #5845
This commit is contained in:
Giuseppe Di Natale 2017-03-01 12:58:12 -08:00 committed by Brian Behlendorf
parent d25534f875
commit ebd9aa8c17
3 changed files with 15 additions and 7 deletions
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3
tests/zfs-tests/tests/functional/zvol/zvol.cfg
View File

@ -33,6 +33,7 @@ export DISK=${DISKS%% *}
export TESTVOL=testvol
export TESTFILE=testfile
export TESTSNAP=testsnap
export VOLSIZE=1g
export VOLSIZE=256m
export BLOCKSIZE=4K
export DATA=0
export ENOSPC=28

2
tests/zfs-tests/tests/functional/zvol/zvol_ENOSPC/setup.ksh
View File

@ -40,7 +40,7 @@ if is_mpath_device $DISK; then
delete_partitions
fi
default_zvol_setup $DISK $VOLSIZE
default_zvol_setup $DISK $VOLSIZE $BLOCKSIZE
$ECHO "y" | $NEWFS -v ${ZVOL_RDEVDIR}/$TESTPOOL/$TESTVOL >/dev/null 2>&1
(( $? != 0 )) && log_fail "Unable to newfs(1M) $TESTPOOL/$TESTVOL"

17
tests/zfs-tests/tests/functional/zvol/zvol_common.shlib
View File

@ -36,17 +36,24 @@
#
# Where disk_device: is the name of the disk to be used
# volume_size: is the size of the volume, e.g. 2G
# block_size: is the block size of the volume
#
function default_zvol_setup # disk_device volume_size
function default_zvol_setup # disk_device volume_size block_size
{
typeset disk=$1
typeset size=$2
typeset disk=$1
typeset size=$2
typeset blocksize=$3
typeset savedumpdev
typeset -i output
typeset create_args
create_pool $TESTPOOL "$disk"
create_pool $TESTPOOL "$disk"
log_must $ZFS create -V $size $TESTPOOL/$TESTVOL
if [ -n "$blocksize" ]; then
create_args="-b $blocksize"
fi
log_must $ZFS create $create_args -V $size $TESTPOOL/$TESTVOL
block_device_wait
}