| commit | 2da78092dda13f1efd26edbbf99a567776913750 | [log] [tgz] |
|---|---|---|
| author | Keith Busch <keith.busch@intel.com> | Tue Aug 26 09:05:36 2014 -0600 |
| committer | Jens Axboe <axboe@fb.com> | Wed Sep 03 15:01:02 2014 -0600 |
| tree | 9f245a022542d626c948ebfb886106ce3f7e62ae | |
| parent | 5676e7b6db02b80eafc2e3ad316d5f2fee817ecb [diff] |
block: Fix dev_t minor allocation lifetime 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>