diff options
| author | Keith Busch <kbusch@kernel.org> | 2023-12-18 08:19:39 -0800 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2023-12-19 08:58:46 -0800 |
| commit | d3e8b1858734bf46cda495be4165787b9a3981a6 (patch) | |
| tree | 2134a88189d54096fa1cabecdf6991e7a8f41df1 | |
| parent | c6d3ab9e76dc01011392cf8309f7e684b94ec464 (diff) | |
| download | linux-d3e8b1858734bf46cda495be4165787b9a3981a6.tar.gz | |
Revert "nvme-fc: fix race between error recovery and creating association"
The commit was identified to might sleep in invalid context and is
blocking regression testing.
This reverts commit ee6fdc5055e916b1dd497f11260d4901c4c1e55e.
Link: https://lore.kernel.org/linux-nvme/hkhl56n665uvc6t5d6h3wtx7utkcorw4xlwi7d2t2bnonavhe6@xaan6pu43ap6/
Link: https://lists.infradead.org/pipermail/linux-nvme/2023-December/043756.html
Reported-by: Daniel Wagner <dwagner@suse.de>
Reported-by: Maurizio Lombardi <mlombard@redhat.com>
Cc: Michael Liang <mliang@purestorage.com>
Tested-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
| -rw-r--r-- | drivers/nvme/host/fc.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index fb22976a36a89..1d51925ea67fd 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2548,24 +2548,17 @@ nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg) * the controller. Abort any ios on the association and let the * create_association error path resolve things. */ - enum nvme_ctrl_state state; - unsigned long flags; - - spin_lock_irqsave(&ctrl->lock, flags); - state = ctrl->ctrl.state; - if (state == NVME_CTRL_CONNECTING) { - set_bit(ASSOC_FAILED, &ctrl->flags); - spin_unlock_irqrestore(&ctrl->lock, flags); + if (ctrl->ctrl.state == NVME_CTRL_CONNECTING) { __nvme_fc_abort_outstanding_ios(ctrl, true); + set_bit(ASSOC_FAILED, &ctrl->flags); dev_warn(ctrl->ctrl.device, "NVME-FC{%d}: transport error during (re)connect\n", ctrl->cnum); return; } - spin_unlock_irqrestore(&ctrl->lock, flags); /* Otherwise, only proceed if in LIVE state - e.g. on first error */ - if (state != NVME_CTRL_LIVE) + if (ctrl->ctrl.state != NVME_CTRL_LIVE) return; dev_warn(ctrl->ctrl.device, @@ -3180,16 +3173,12 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) else ret = nvme_fc_recreate_io_queues(ctrl); } - - spin_lock_irqsave(&ctrl->lock, flags); if (!ret && test_bit(ASSOC_FAILED, &ctrl->flags)) ret = -EIO; - if (ret) { - spin_unlock_irqrestore(&ctrl->lock, flags); + if (ret) goto out_term_aen_ops; - } + changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); - spin_unlock_irqrestore(&ctrl->lock, flags); ctrl->ctrl.nr_reconnects = 0; |