[PATCH 0/3] null_blk fixes for 5.9 stable

Greg,

Here are three backported patches from this cycle for 5.9 stable. The upstream patches are: 1) 35bc10b2eafbb701064b94f283b77c54d3304842 2) f9c9104288da543cd64f186f9e2fba389f415630 3) aa1c09cb65e2ed17cb8e652bc7ec84e0af1229eb

Thanks.

Damien Le Moal (2): null_blk: Fix zone reset all tracing null_blk: Fix locking in zoned mode

Kanchan Joshi (1): null_blk: synchronization fix for zoned device

drivers/block/null_blk.h | 1 + drivers/block/null_blk_zoned.c | 157 ++++++++++++++++++++++++--------- 2 files changed, 118 insertions(+), 40 deletions(-)