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2da78092dd
Releases the dev_t minor when all references are closed to prevent another device from acquiring the same major/minor. Since the partition's release may be invoked from call_rcu's soft-irq context, the ext_dev_idr's mutex had to be replaced with a spinlock so as not so sleep. Signed-off-by: Keith Busch <keith.busch@intel.com> Cc: stable@kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
571 lines
14 KiB
571 lines
14 KiB