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test/common: reduce waitforserial sleep

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NVMe-oF initiator in recent kernel versions takes
considerably less time than when the "sleep 4" was
introduced, as described in:
https://github.com/spdk/spdk/issues/2467

This effectively reverts:
dacd8ec827

Change-Id: Ib678d99c330c739788a5d6aaeabd23cb2c9017ef
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15989
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Michal Berger <michal.berger@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Karol Latecki 2022-12-16 12:24:59 +01:00 committed by Tomasz Zawadzki
parent 9e96e331c3
commit 5fb5e91e68
1 changed files with 2 additions and 5 deletions
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7
test/common/autotest_common.sh
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@ -1136,11 +1136,8 @@ function waitforserial() {
nvme_device_counter=$2
fi
# Wait initially for min 4s to make sure all devices are ready for use. It seems
# that we may be racing with a kernel where in some cases immediate disconnect may
# leave dangling subsystem with no-op block devices which can't be used nor removed
# (unless kernel is rebooted) and which start to negatively affect all the tests.
sleep 4
# Wait initially for min 2s to make sure all devices are ready for use.
sleep 2
while ((i++ <= 15)); do
nvme_devices=$(lsblk -l -o NAME,SERIAL | grep -c "$1")
((nvme_devices == nvme_device_counter)) && return 0