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Commit 02e0d2d7 authored by Mike Christie's avatar Mike Christie Committed by Yang Yingliang
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scsi: iscsi: Unblock session then wake up error handler

stable inclusion
from linux-4.19.220
commit 8368b993f3155c07a0c4a9d24953961b71e84264

--------------------------------

[ Upstream commit a0c2f8b6709a9a4af175497ca65f93804f57b248 ]

We can race where iscsi_session_recovery_timedout() has woken up the error
handler thread and it's now setting the devices to offline, and
session_recovery_timedout()'s call to scsi_target_unblock() is also trying
to set the device's state to transport-offline. We can then get a mix of
states.

For the case where we can't relogin we want the devices to be in
transport-offline so when we have repaired the connection
__iscsi_unblock_session() can set the state back to running.

Set the device state then call into libiscsi to wake up the error handler.

Link: https://lore.kernel.org/r/20211105221048.6541-2-michael.christie@oracle.com


Reviewed-by: default avatarLee Duncan <lduncan@suse.com>
Signed-off-by: default avatarMike Christie <michael.christie@oracle.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parent 06f66958
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