android_kernel_samsung_sm8650/include/trace
Jeffle Xu 907d523100 block: add queue_to_disk() to get gendisk from request_queue
Sometimes we need to get the corresponding gendisk from request_queue.

It is preferred that block drivers store private data in
gendisk->private_data rather than request_queue->queuedata, e.g. see:
commit c4a59c4e5d ("dm: stop using ->queuedata").

So if only request_queue is given, we need to get its corresponding
gendisk to get the private data stored in that gendisk.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jeffle Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-04-12 06:51:57 -06:00
..
events block: add queue_to_disk() to get gendisk from request_queue 2021-04-12 06:51:57 -06:00
bpf_probe.h trace: bpf: Allow bpf to attach to bare tracepoints 2021-01-20 14:13:59 -08:00
define_trace.h tracepoint: Optimize using static_call() 2020-09-01 09:58:06 +02:00
perf.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
syscall.h tracepoints: Migrate to use SYSCALL_WORK flag 2020-11-16 21:53:15 +01:00
trace_events.h tracing: Update the stage 3 of trace event macro comment 2021-02-11 16:31:57 -05:00