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[SCSI] zfcp: Replace local reference counting with common kref

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Replace the local reference counting by already available mechanisms
offered by kref. Where possible existing device structures were used,
including the same functionality.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Swen Schillig
2009-11-24 16:53:59 +01:00
committed by James Bottomley
parent ecf0c7721b
commit f3450c7b91
11 changed files with 197 additions and 259 deletions
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6
drivers/s390/scsi/zfcp_ext.h
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@@ -15,15 +15,15 @@
extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64);
extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
extern int zfcp_adapter_enqueue(struct ccw_device *);
extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
u32);
extern void zfcp_port_dequeue(struct zfcp_port *);
extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64);
extern void zfcp_unit_dequeue(struct zfcp_unit *);
extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
extern void zfcp_sg_free_table(struct scatterlist *, int);
extern int zfcp_sg_setup_table(struct scatterlist *, int);
extern void zfcp_device_unregister(struct device *,
const struct attribute_group *);
extern void zfcp_adapter_release(struct kref *);
/* zfcp_ccw.c */
extern int zfcp_ccw_register(void);