On Mon, Aug 25, 2014 at 02:52:55PM -0600, Keith Busch wrote:
> 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.
> @@ -420,9 +420,9 @@ int blk_alloc_devt(struct hd_struct *part, dev_t
On Mon, Aug 25, 2014 at 02:52:55PM -0600, Keith Busch wrote:
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.
@@ -420,9 +420,9 @@ int blk_alloc_devt(struct hd_struct *part, dev_t
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:
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:
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