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qla2x00t-32gbit: Allow NVMe IO to resume with short cable pull

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Current driver report dev_loss_tmo to 0 for NVMe devices with short cable
pull.  This causes NVMe controller to be freed along with NVMe namespace.
The side affect is IO would stop.  By not setting dev_loss_tmo to 0, NVMe
namespace would stay until cable is plugged back in.  This allows IO to
resume afterward.

[ commit 03cc44bf682af289d6536eb911e928b415bd0e1f upstream ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8535 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-08-25 01:57:50 +00:00
parent 21dc61fb60
commit aa2356632e
1 changed files with 2 additions and 1 deletions
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3
qla2x00t-32gbit/qla_nvme.c
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@@ -664,7 +664,8 @@ void qla_nvme_unregister_remote_port(struct fc_port *fcport)
__func__, fcport, fcport->port_name);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 17, 0)
nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port, 0);
if (test_bit(PFLG_DRIVER_REMOVING, &fcport->vha->pci_flags))
nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port, 0);
#endif
init_completion(&fcport->nvme_del_done);
ret = nvme_fc_unregister_remoteport(fcport->nvme_remote_port);