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padata: allocate workqueue internally

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Move workqueue allocation inside of padata to prepare for further
changes to how padata uses workqueues.

Guarantees the workqueue is created with max_active=1, which padata
relies on to work correctly.  No functional change.

Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: linux-crypto@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Daniel Jordan
2019-09-05 21:40:21 -04:00
committed by Herbert Xu
parent 007b3cf0af
commit b128a30409
4 changed files with 24 additions and 28 deletions
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3
include/linux/padata.h
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@@ -151,8 +151,7 @@ struct padata_instance {
#define PADATA_INVALID 4
};
extern struct padata_instance *padata_alloc_possible(
struct workqueue_struct *wq);
extern struct padata_instance *padata_alloc_possible(const char *name);
extern void padata_free(struct padata_instance *pinst);
extern int padata_do_parallel(struct padata_instance *pinst,
struct padata_priv *padata, int cb_cpu);