]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
blktrace: don't centralize grabbing q->debugfs_mutex in blk_trace_ioctl
authorMing Lei <ming.lei@redhat.com>
Thu, 28 Nov 2024 12:50:26 +0000 (20:50 +0800)
committerJens Axboe <axboe@kernel.dk>
Mon, 23 Dec 2024 15:17:22 +0000 (08:17 -0700)
commitfd9b0244f5c5f63461ca9752eebd2423ae02bb59
tree3d1404548c3f9c2a55ccb490e3f442e6f6b115db
parentb56426bcf880d0f14a482c302ab7e37f3e6c3583
blktrace: don't centralize grabbing q->debugfs_mutex in blk_trace_ioctl

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>
kernel/trace/blktrace.c