Fix a few race conditions that can be triggered by removing a device: - Avoid that request_fn() can be invoked on a dead queue. - Avoid that blk_cleanup_queue() can finish while request_fn is still running. - Fix a race between starved list processing and device removal.
These patches have been tested on top of commit 2474542f - a commit between 3.6 and the upcoming 3.7-rc1.
Changes compared to v3: - Fixed a race condition by setting QUEUE_FLAG_DEAD earlier. - Added a patch for fixing a race between starved list processing and device removal to this series. Changes compared to v2: - Split second patch into two patches. - Refined patch descriptions. Changes compared to v1: - Included a patch to rename QUEUE_FLAG_DEAD. - Refined the descriptions of the __blk_run_queue_uncond() and blk_cleanup_queue() functions. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
