add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/nfs_page.h
..
..
@@ -42,7 +42,6 @@
42
42
 struct nfs_page {
43
43
 	struct list_head	wb_list;	/* Defines state of page: */
44
44
 	struct page		*wb_page;	/* page to read in/write out */
45
-	struct nfs_open_context	*wb_context;	/* File state context info */
46
45
 	struct nfs_lock_context	*wb_lock_context;	/* lock context info */
47
46
 	pgoff_t			wb_index;	/* Offset >> PAGE_SHIFT */
48
47
 	unsigned int		wb_offset,	/* Offset & ~PAGE_MASK */
..
..
@@ -53,8 +52,10 @@
53
52
 	struct nfs_write_verifier	wb_verf;	/* Commit cookie */
54
53
 	struct nfs_page		*wb_this_page;  /* list of reqs for this page */
55
54
 	struct nfs_page		*wb_head;       /* head pointer for req list */
55
+	unsigned short		wb_nio;		/* Number of I/O attempts */
56
56
 };
57
57
 
58
+struct nfs_pgio_mirror;
58
59
 struct nfs_pageio_descriptor;
59
60
 struct nfs_pageio_ops {
60
61
 	void	(*pg_init)(struct nfs_pageio_descriptor *, struct nfs_page *);
..
..
@@ -64,6 +65,9 @@
64
65
 	unsigned int	(*pg_get_mirror_count)(struct nfs_pageio_descriptor *,
65
66
 				       struct nfs_page *);
66
67
 	void	(*pg_cleanup)(struct nfs_pageio_descriptor *);
68
+	struct nfs_pgio_mirror *
69
+		(*pg_get_mirror)(struct nfs_pageio_descriptor *, u32);
70
+	u32	(*pg_set_mirror)(struct nfs_pageio_descriptor *, u32);
67
71
 };
68
72
 
69
73
 struct nfs_rw_ops {
..
..
@@ -87,7 +91,6 @@
87
91
 };
88
92
 
89
93
 struct nfs_pageio_descriptor {
90
-	unsigned char		pg_moreio : 1;
91
94
 	struct inode		*pg_inode;
92
95
 	const struct nfs_pageio_ops *pg_ops;
93
96
 	const struct nfs_rw_ops *pg_rw_ops;
..
..
@@ -105,6 +108,8 @@
105
108
 	struct nfs_pgio_mirror	pg_mirrors_static[1];
106
109
 	struct nfs_pgio_mirror	*pg_mirrors_dynamic;
107
110
 	u32			pg_mirror_idx;	/* current mirror */
111
+	unsigned short		pg_maxretrans;
112
+	unsigned char		pg_moreio : 1;
108
113
 };
109
114
 
110
115
 /* arbitrarily selected limit to number of mirrors */
..
..
@@ -114,7 +119,6 @@
114
119
 
115
120
 extern	struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
116
121
 					    struct page *page,
117
-					    struct nfs_page *last,
118
122
 					    unsigned int offset,
119
123
 					    unsigned int count);
120
124
 extern	void nfs_release_request(struct nfs_page *);
..
..
@@ -139,6 +143,9 @@
139
143
 extern  int nfs_wait_on_request(struct nfs_page *);
140
144
 extern	void nfs_unlock_request(struct nfs_page *req);
141
145
 extern	void nfs_unlock_and_release_request(struct nfs_page *);
146
+extern	struct nfs_page *nfs_page_group_lock_head(struct nfs_page *req);
147
+extern	int nfs_page_group_lock_subrequests(struct nfs_page *head);
148
+extern	void nfs_join_page_group(struct nfs_page *head, struct inode *inode);
142
149
 extern int nfs_page_group_lock(struct nfs_page *);
143
150
 extern void nfs_page_group_unlock(struct nfs_page *);
144
151
 extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int);
..
..
@@ -201,4 +208,10 @@
201
208
 	return (((loff_t)req->wb_index) << PAGE_SHIFT) + req->wb_offset;
202
209
 }
203
210
 
211
+static inline struct nfs_open_context *
212
+nfs_req_openctx(struct nfs_page *req)
213
+{
214
+	return req->wb_lock_context->open_context;
215
+}
216
+
204
217
 #endif /* _LINUX_NFS_PAGE_H */