> -Original Message-
> From: linux-scsi-ow...@vger.kernel.org [mailto:linux-scsi-
> ow...@vger.kernel.org] On Behalf Of Tony Battersby
> Sent: Wednesday, 04 February, 2015 12:39 PM
> To: linux-scsi; Jens Axboe; Christoph Hellwig
> Cc: Sreekanth Reddy
> Subject: Devic
Summary:
When removing a SCSI device with scsi-mq, blk_mq_update_tag_set_depth()
ends up waiting for commands to *other* SCSI devices to complete. If
those other SCSI devices are in the SDEV_BLOCK state, then the removal
deadlocks.
Setup:
kernel 3.19-rc7 with the following additional commits:
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