On 2014-11-01 17:48, Ben Hutchings wrote:
On Sat, 2014-11-01 at 17:18 -0600, Jens Axboe wrote:
On 2014-11-01 16:28, Ben Hutchings wrote:
3.2.64-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Keith Busch <keith.busch@xxxxxxxxx>
commit 2da78092dda13f1efd26edbbf99a567776913750 upstream.
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@xxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxx>
[bwh: Backported to 3.2:
- Adjust filename
- idr insertion API is different, and blk_alloc_devt() is preallocating
a node in a different way]
As I've noted for pretty much every stable branch so far, you have to
backport commit 46f341ffcfb5 as well, if you backport this one.
I'm not caught up on reading the stable list, so I missed that. Thanks
for pointing it out again; I'll add it.
Thanks, it keeps biting me in the ass that I didn't get a Fixes: added
to that patch...
--
Jens Axboe
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