This update fixes the following bugs:

• block mq hang of a blk_mq_freeze_queue_wait(), which waits for a zero of a q_usage_counter, which never happens (BZ#1824546)
• update qla2xxx driver with critical bug fixes (BZ#1832221)
• Emulex lpfc seems to get hung up failing IOCB'S continuously on kernel 3.10.0-957.21.3.el7.x86_64 leading to Oracle evictions (BZ#1835675)
• Possible race between scsi_remove_device() and scsi_probe_and_add_lun() code paths. (BZ#1836890)
• [Hyper-V] hv_netvsc performance issue in HyperV 2019 (BZ#1838600)
• revert the kernel patch "xfs: catch bad stripe alignment configurations" (BZ#1839697)

https://access.redhat.com/errata/RHBA-2020:2355