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commit5eb3317aa5upstream. There are currently any issuer of REQ_OP_ZONE_RESET and REQ_OP_ZONE_FINISH operations that set REQ_NOWAIT. However, as we cannot handle this flag correctly due to the potential request allocation failure that may happen in blk_mq_submit_bio() after blk_zone_plug_bio() has handled the zone write plug write pointer updates for the targeted zones, modify blk_zone_wplug_handle_reset_or_finish() to warn if this flag is set and ignore it. Fixes:dd291d77cc("block: Introduce zone write plugging") Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Link: https://lore.kernel.org/r/20241209122357.47838-3-dlemoal@kernel.org Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>