write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/s390/scsi/zfcp_fc.h
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@@ -121,9 +121,24 @@
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 /**
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  * struct zfcp_fc_req - Container for FC ELS and CT requests sent from zfcp
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  * @ct_els: data required for issuing fsf command
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- * @sg_req: scatterlist entry for request data
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- * @sg_rsp: scatterlist entry for response data
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- * @u: request specific data
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+ * @sg_req: scatterlist entry for request data, refers to embedded @u submember
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+ * @sg_rsp: scatterlist entry for response data, refers to embedded @u submember
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+ * @u: request and response specific data
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+ * @u.adisc: ADISC specific data
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+ * @u.adisc.req: ADISC request
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+ * @u.adisc.rsp: ADISC response
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+ * @u.gid_pn: GID_PN specific data
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+ * @u.gid_pn.req: GID_PN request
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+ * @u.gid_pn.rsp: GID_PN response
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+ * @u.gpn_ft: GPN_FT specific data
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+ * @u.gpn_ft.sg_rsp2: GPN_FT response, not embedded here, allocated elsewhere
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+ * @u.gpn_ft.req: GPN_FT request
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+ * @u.gspn: GSPN specific data
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+ * @u.gspn.req: GSPN request
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+ * @u.gspn.rsp: GSPN response
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+ * @u.rspn: RSPN specific data
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+ * @u.rspn.req: RSPN request
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+ * @u.rspn.rsp: RSPN response
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  */
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 struct zfcp_fc_req {
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 	struct zfcp_fsf_ct_els				ct_els;
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@@ -170,7 +185,8 @@
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 /**
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  * struct zfcp_fc_wka_port - representation of well-known-address (WKA) FC port
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  * @adapter: Pointer to adapter structure this WKA port belongs to
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- * @completion_wq: Wait for completion of open/close command
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+ * @opened: Wait for completion of open command
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+ * @closed: Wait for completion of close command
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  * @status: Current status of WKA port
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  * @refcount: Reference count to keep port open as long as it is in use
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  * @d_id: FC destination id or well-known-address
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@@ -180,7 +196,8 @@
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  */
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 struct zfcp_fc_wka_port {
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 	struct zfcp_adapter	*adapter;
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-	wait_queue_head_t	completion_wq;
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+	wait_queue_head_t	opened;
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+	wait_queue_head_t	closed;
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 	enum zfcp_fc_wka_status	status;
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 	atomic_t		refcount;
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 	u32			d_id;