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ZTS: Waiting for zvols to be available
This is a follow up patch for PR #12515 which addresses some additional ZTS tests which are unreliable are should explicitly wait for the required zvols to be available. Reviewed-by: John Kennedy <john.kennedy@delphix.com> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Reviewed-by: @Theo13111 Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #12553
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@ -83,25 +83,24 @@ function do_vol_test
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vol=$TESTPOOL/$TESTVOL1
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vol_b_path=$ZVOL_DEVDIR/$TESTPOOL/$TESTVOL1
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vol_r_path=$ZVOL_RDEVDIR/$TESTPOOL/$TESTVOL1
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log_must zfs create -V $VOLSIZE -o copies=$copies $vol
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log_must zfs set refreservation=none $vol
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block_device_wait $vol_r_path
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block_device_wait $vol_b_path
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case "$type" in
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"ext2")
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if is_freebsd; then
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log_unsupported "ext2 test not implemented for freebsd"
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fi
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log_must eval "new_fs $vol_r_path >/dev/null 2>&1"
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log_must eval "new_fs $vol_b_path >/dev/null 2>&1"
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log_must mount -o rw $vol_b_path $mntp
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;;
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"ufs")
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if is_linux; then
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log_unsupported "ufs test not implemented for linux"
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fi
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log_must eval "new_fs $vol_r_path >/dev/null 2>&1"
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log_must eval "new_fs $vol_b_path >/dev/null 2>&1"
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log_must mount $vol_b_path $mntp
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;;
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"zfs")
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@ -69,7 +69,7 @@ rename_dataset ${vol}-new $vol
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clone=$TESTPOOL/${snap}_clone
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create_clone $vol@$snap $clone
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block_device_wait
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block_device_wait $VOLDATA
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#verify data integrity
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for input in $VOL_R_PATH $ZVOL_RDEVDIR/$clone; do
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@ -72,7 +72,7 @@ log_must zfs mount -o ro $POOL_NAME/testfs
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old_mntpnt=$(get_prop mountpoint $POOL_NAME/testfs)
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log_must eval "ls $old_mntpnt | grep -q testfile"
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block_device_wait
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block_device_wait /dev/zvol/$POOL_NAME/testvol
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log_mustnot dd if=/dev/zero of=/dev/zvol/$POOL_NAME/testvol bs=512 count=1
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log_must dd if=/dev/zvol/$POOL_NAME/testvol of=/dev/null bs=512 count=1
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@ -90,7 +90,7 @@ log_must eval "zfs send $POOL_NAME/testfs@snap1 | \
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zfs recv $POOL_NAME/encroot/testfs"
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log_must eval "zfs send $POOL_NAME/testvol@snap1 | \
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zfs recv $POOL_NAME/encroot/testvol"
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block_device_wait
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block_device_wait /dev/zvol/$POOL_NAME/encroot/testvol
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log_must dd if=/dev/zero of=/dev/zvol/$POOL_NAME/encroot/testvol bs=512 count=1
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new_mntpnt=$(get_prop mountpoint $POOL_NAME/encroot/testfs)
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log_must eval "ls $new_mntpnt | grep -q testfile"
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@ -107,6 +107,8 @@ log_must zfs create -o mountpoint=none $VOLFS
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log_must zfs create -V $VOLSIZE -s $SUBZVOL
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log_must zfs create -V $VOLSIZE -s $ZVOL
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udev_wait
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blockdev_exists $ZDEV
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blockdev_exists $SUBZDEV
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test_io $ZDEV
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test_io $SUBZDEV
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