struct nfs_page {
struct list_head wb_list; /* Defines state of page: */
struct page *wb_page; /* page to read in/write out */
- struct nfs_open_context *wb_context; /* File state context info */
struct nfs_lock_context *wb_lock_context; /* lock context info */
pgoff_t wb_index; /* Offset >> PAGE_SHIFT */
unsigned int wb_offset, /* Offset & ~PAGE_MASK */
struct nfs_write_verifier wb_verf; /* Commit cookie */
struct nfs_page *wb_this_page; /* list of reqs for this page */
struct nfs_page *wb_head; /* head pointer for req list */
+ unsigned short wb_nio; /* Number of I/O attempts */
};
struct nfs_pageio_descriptor;
};
struct nfs_pageio_descriptor {
- unsigned char pg_moreio : 1;
struct inode *pg_inode;
const struct nfs_pageio_ops *pg_ops;
const struct nfs_rw_ops *pg_rw_ops;
struct nfs_pgio_mirror pg_mirrors_static[1];
struct nfs_pgio_mirror *pg_mirrors_dynamic;
u32 pg_mirror_idx; /* current mirror */
+ unsigned short pg_maxretrans;
+ unsigned char pg_moreio : 1;
};
/* arbitrarily selected limit to number of mirrors */
extern struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
struct page *page,
- struct nfs_page *last,
unsigned int offset,
unsigned int count);
extern void nfs_release_request(struct nfs_page *);
return (((loff_t)req->wb_index) << PAGE_SHIFT) + req->wb_offset;
}
+static inline struct nfs_open_context *
+nfs_req_openctx(struct nfs_page *req)
+{
+ return req->wb_lock_context->open_context;
+}
+
#endif /* _LINUX_NFS_PAGE_H */