blktrace: don't centralize grabbing q->debugfs_mutex in blk_trace_ioctl

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Call each handler directly and the handler do grab q->debugfs_mutex,
prepare for killing dependency between ->debug_mutex and ->mmap_lock.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241128125029.4152292-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Ming Lei 2024-11-28 20:50:26 +08:00 • committed by Jens Axboe

parent b56426bcf8

commit fd9b0244f5

1 changed files with 5 additions and 7 deletions

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kernel/trace/blktrace.c

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