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ZTS: Fix zvol_misc_volmode test

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Changing volmode may need to remove minors, which could be open, so
call udev_wait() before we "zfs set volmode=<value>".  This ensures
no udev process has the zvol open (i.e. blkid) and the kernel
zvol_remove_minor_impl() function won't skip removing the in use
device.

Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13075
This commit is contained in:
Brian Behlendorf 2022-02-09 17:00:03 -08:00 committed by Tony Hutter
parent bc99c809d5
commit f03cf651ec
1 changed files with 31 additions and 18 deletions
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49
tests/zfs-tests/tests/functional/zvol/zvol_misc/zvol_misc_volmode.ksh
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@ -43,8 +43,6 @@
# 7. Verify "volmode" behaves correctly at import time
# 8. Verify "volmode" behaves accordingly to zvol_inhibit_dev (Linux only)
#
# NOTE: changing volmode may need to remove minors, which could be open, so call
# block_device_wait() before we "zfs set volmode=<value>".
verify_runnable "global"
@ -93,6 +91,21 @@ function test_io # dev
log_must dd if=/dev/zero of=$dev count=1
}
#
# Changing volmode may need to remove minors, which could be open, so call
# udev_wait() before we "zfs set volmode=<value>". This ensures no udev
# process has the zvol open (i.e. blkid) and the zvol_remove_minor_impl()
# function won't skip removing the in use device.
#
function set_volmode # value ds
{
typeset value="$1"
typeset ds="$2"
is_linux && udev_wait
log_must zfs set volmode="$value" "$ds"
}
log_assert "Verify that ZFS volume property 'volmode' works as intended"
log_onexit cleanup
@ -119,7 +132,7 @@ do
done
# 2. Verify "volmode=none" hides ZVOL device nodes
log_must zfs set volmode=none $ZVOL
set_volmode none $ZVOL
blockdev_missing $ZDEV
log_must_busy zfs destroy $ZVOL
blockdev_missing $ZDEV
@ -127,12 +140,12 @@ blockdev_missing $ZDEV
# 3. Verify "volmode=full" exposes a fully functional device
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_exists $ZDEV
log_must zfs set volmode=full $ZVOL
set_volmode full $ZVOL
blockdev_exists $ZDEV
test_io $ZDEV
log_must verify_partition $ZDEV
# 3.1 Verify "volmode=geom" is an alias for "volmode=full"
log_must zfs set volmode=geom $ZVOL
set_volmode geom $ZVOL
blockdev_exists $ZDEV
if [[ "$(get_prop 'volmode' $ZVOL)" != "full" ]]; then
log_fail " Volmode value 'geom' is not an alias for 'full'"
@ -143,7 +156,7 @@ blockdev_missing $ZDEV
# 4. Verify "volmode=dev" hides partition info on the device
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_exists $ZDEV
log_must zfs set volmode=dev $ZVOL
set_volmode dev $ZVOL
blockdev_exists $ZDEV
test_io $ZDEV
log_mustnot verify_partition $ZDEV
@ -155,7 +168,7 @@ blockdev_missing $ZDEV
sysctl_volmode 1
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_exists $ZDEV
log_must zfs set volmode=default $ZVOL
set_volmode default $ZVOL
blockdev_exists $ZDEV
log_must verify_partition $ZDEV
log_must_busy zfs destroy $ZVOL
@ -164,7 +177,7 @@ blockdev_missing $ZDEV
sysctl_volmode 2
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_exists $ZDEV
log_must zfs set volmode=default $ZVOL
set_volmode default $ZVOL
blockdev_exists $ZDEV
log_mustnot verify_partition $ZDEV
log_must_busy zfs destroy $ZVOL
@ -173,33 +186,33 @@ blockdev_missing $ZDEV
sysctl_volmode 3
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_missing $ZDEV
log_must zfs set volmode=default $ZVOL
set_volmode default $ZVOL
blockdev_missing $ZDEV
# 6. Verify "volmode" property is inherited correctly
log_must zfs inherit volmode $ZVOL
blockdev_missing $ZDEV
# 6.1 Check volmode=full case
log_must zfs set volmode=full $TESTPOOL
set_volmode full $TESTPOOL
verify_inherited 'volmode' 'full' $ZVOL $TESTPOOL
blockdev_exists $ZDEV
# 6.2 Check volmode=none case
log_must zfs set volmode=none $TESTPOOL
set_volmode none $TESTPOOL
verify_inherited 'volmode' 'none' $ZVOL $TESTPOOL
blockdev_missing $ZDEV
# 6.3 Check volmode=dev case
log_must zfs set volmode=dev $TESTPOOL
set_volmode dev $TESTPOOL
verify_inherited 'volmode' 'dev' $ZVOL $TESTPOOL
blockdev_exists $ZDEV
# 6.4 Check volmode=default case
sysctl_volmode 1
log_must zfs set volmode=default $TESTPOOL
set_volmode default $TESTPOOL
verify_inherited 'volmode' 'default' $ZVOL $TESTPOOL
blockdev_exists $ZDEV
# 6.5 Check inheritance on multiple levels
log_must zfs inherit volmode $SUBZVOL
log_must zfs set volmode=none $VOLFS
log_must zfs set volmode=full $TESTPOOL
set_volmode none $VOLFS
set_volmode full $TESTPOOL
verify_inherited 'volmode' 'none' $SUBZVOL $VOLFS
blockdev_missing $SUBZDEV
blockdev_exists $ZDEV
@ -223,7 +236,7 @@ if is_linux; then
sysctl_volmode 1
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_missing $ZDEV
log_must zfs set volmode=full $ZVOL
set_volmode full $ZVOL
blockdev_missing $ZDEV
log_must_busy zfs destroy $ZVOL
blockdev_missing $ZDEV
@ -231,7 +244,7 @@ if is_linux; then
sysctl_volmode 2
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_missing $ZDEV
log_must zfs set volmode=dev $ZVOL
set_volmode dev $ZVOL
blockdev_missing $ZDEV
log_must_busy zfs destroy $ZVOL
blockdev_missing $ZDEV
@ -239,7 +252,7 @@ if is_linux; then
sysctl_volmode 3
log_must zfs create -V $VOLSIZE -s $ZVOL
blockdev_missing $ZDEV
log_must zfs set volmode=none $ZVOL
set_volmode none $ZVOL
blockdev_missing $ZDEV
fi