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KEYS: Make the key reaper non-reentrant 

Make the key reaper non-reentrant by sticking it on the appropriate system work
queue when we queue it.  This will allow it to have global state and drop
locks.  It should probably be non-reentrant already as it may spend a long time
holding the key serial spinlock, and so multiple entrants can spend long
periods of time just sitting there spinning, waiting to get the lock.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells 2011-08-22 14:09:20 +01:00 committed by James Morris
parent 8bc16deabc
commit b072e9bc2f
1 changed files with 1 additions and 1 deletions
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2
security/keys/key.c
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@ -602,7 +602,7 @@ void key_put(struct key *key)
key_check(key);
if (atomic_dec_and_test(&key->usage))
schedule_work(&key_gc_unused_work);
queue_work(system_nrt_wq, &key_gc_unused_work);
}
}
EXPORT_SYMBOL(key_put);