Jens, Here is a couple of fixes for nullblk for this cycle. The first patch fixes tracing of zone condition in the case of a REQ_OP_ZONE_RESET_ALL operation. The second patch fixes a more serious problem introduced with the recent modification for protecting zone information using a spinlock. A spinlock cannot be used when memory backing is turned on as that results in potential memory allocations with the lock held and IRQ disabled. The fix changes the locking method to using a bit, with the spinlock retained only for function local protection. This new locking was extensively tested with xfstests/btrfs and zonefs tests runs. Damien Le Moal (2): null_blk: Fix zone reset all tracing null_blk: Fix locking in zoned mode drivers/block/null_blk.h | 3 +- drivers/block/null_blk_zoned.c | 113 +++++++++++++++++++++++++-------- 2 files changed, 89 insertions(+), 27 deletions(-) -- 2.26.2
