From 2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 14 Nov 2016 17:29:48 +0100 Subject: locking/atomic, kref: Add kref_read() Since we need to change the implementation, stop exposing internals. Provide kref_read() to read the current reference count; typically used for debug messages. Kills two anti-patterns: atomic_read(&kref->refcount) kref->refcount.counter Signed-off-by: Peter Zijlstra (Intel) Cc: Andrew Morton Cc: Greg Kroah-Hartman Cc: Linus Torvalds Cc: Paul E. McKenney Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar --- drivers/scsi/lpfc/lpfc_els.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/scsi/lpfc/lpfc_els.c') diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 236e4e51d161..7a8829546068 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3688,7 +3688,7 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_NODE, "0006 rpi%x DID:%x flg:%x %d map:%x %p\n", ndlp->nlp_rpi, ndlp->nlp_DID, ndlp->nlp_flag, - atomic_read(&ndlp->kref.refcount), + kref_read(&ndlp->kref), ndlp->nlp_usg_map, ndlp); if (NLP_CHK_NODE_ACT(ndlp)) { lpfc_nlp_put(ndlp); -- cgit