diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/nvme/host/fc.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 5f1d09640c40..3c002bdcace3 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -26,6 +26,10 @@ enum nvme_fc_queue_flags { }; #define NVME_FC_DEFAULT_DEV_LOSS_TMO 60 /* seconds */ +#define NVME_FC_DEFAULT_RECONNECT_TMO 2 /* delay between reconnects + * when connected and a + * connection failure. + */ struct nvme_fc_queue { struct nvme_fc_ctrl *ctrl; @@ -3436,7 +3440,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, { struct nvme_fc_ctrl *ctrl; unsigned long flags; - int ret, idx; + int ret, idx, ctrl_loss_tmo; if (!(rport->remoteport.port_role & (FC_PORT_ROLE_NVME_DISCOVERY | FC_PORT_ROLE_NVME_TARGET))) { @@ -3462,6 +3466,19 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, goto out_free_ctrl; } + /* + * if ctrl_loss_tmo is being enforced and the default reconnect delay + * is being used, change to a shorter reconnect delay for FC. + */ + if (opts->max_reconnects != -1 && + opts->reconnect_delay == NVMF_DEF_RECONNECT_DELAY && + opts->reconnect_delay > NVME_FC_DEFAULT_RECONNECT_TMO) { + ctrl_loss_tmo = opts->max_reconnects * opts->reconnect_delay; + opts->reconnect_delay = NVME_FC_DEFAULT_RECONNECT_TMO; + opts->max_reconnects = DIV_ROUND_UP(ctrl_loss_tmo, + opts->reconnect_delay); + } + ctrl->ctrl.opts = opts; ctrl->ctrl.nr_reconnects = 0; if (lport->dev) |