Hello, The 1st patch fixes deadlock caused by atomic limits update. The 2nd patch removes queue_limits_cancel_update() which becomes nop now. Ming Lei (2): block: avoid to hold q->limits_lock across APIs for atomic update queue limits block: remove queue_limits_cancel_update() block/blk-settings.c | 2 +- drivers/md/md.c | 1 - drivers/md/raid0.c | 4 +--- drivers/md/raid1.c | 4 +--- drivers/md/raid10.c | 4 +--- drivers/scsi/scsi_scan.c | 1 - include/linux/blkdev.h | 20 ++++++-------------- 7 files changed, 10 insertions(+), 26 deletions(-) -- 2.47.0