X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fnfs_page.h;h=91c7b18c47d8daad732b62e999f09b0fe65b82f4;hb=bcb71bba7e64f0442d0ca339d7d3117a7060589f;hp=2e555d49c9b732fa4379b8b1c17a98cb430ce857;hpb=40b20c257a13c5a526ac540bc5e43d0fdf29792a;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 2e555d49c9b7..91c7b18c47d8 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -31,7 +31,6 @@
 #define PG_NEED_COMMIT		1
 #define PG_NEED_RESCHED		2
 #define PG_NEED_FLUSH		3
-#define PG_FLUSHING		4
 
 struct nfs_inode;
 struct nfs_page {
@@ -49,9 +48,20 @@ struct nfs_page {
 	struct nfs_writeverf	wb_verf;	/* Commit cookie */
 };
 
+struct nfs_pageio_descriptor {
+	struct list_head	pg_list;
+	unsigned long		pg_bytes_written;
+	size_t			pg_count;
+	size_t			pg_bsize;
+	unsigned int		pg_base;
+
+	struct inode		*pg_inode;
+	int			(*pg_doio)(struct inode *, struct list_head *, size_t, int);
+	int 			pg_ioflags;
+	int			pg_error;
+};
+
 #define NFS_WBACK_BUSY(req)	(test_bit(PG_BUSY,&(req)->wb_flags))
-#define NFS_NEED_COMMIT(req)	(test_bit(PG_NEED_COMMIT,&(req)->wb_flags))
-#define NFS_NEED_RESCHED(req)	(test_bit(PG_NEED_RESCHED,&(req)->wb_flags))
 
 extern	struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
 					    struct inode *inode,
@@ -67,8 +77,14 @@ extern	long nfs_scan_dirty(struct address_space *mapping,
 				struct list_head *dst);
 extern	int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
 			  unsigned long idx_start, unsigned int npages);
-extern	int nfs_coalesce_requests(struct list_head *, struct list_head *,
-				  unsigned int);
+extern	void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
+			     struct inode *inode,
+			     int (*doio)(struct inode *, struct list_head *, size_t, int),
+			     size_t bsize,
+			     int how);
+extern	void nfs_pageio_add_list(struct nfs_pageio_descriptor *,
+				 struct list_head *);
+extern	void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
 extern  int nfs_wait_on_request(struct nfs_page *);
 extern	void nfs_unlock_request(struct nfs_page *req);
 extern  int nfs_set_page_writeback_locked(struct nfs_page *req);
@@ -122,34 +138,6 @@ nfs_list_remove_request(struct nfs_page *req)
 	req->wb_list_head = NULL;
 }
 
-static inline int
-nfs_defer_commit(struct nfs_page *req)
-{
-	return !test_and_set_bit(PG_NEED_COMMIT, &req->wb_flags);
-}
-
-static inline void
-nfs_clear_commit(struct nfs_page *req)
-{
-	smp_mb__before_clear_bit();
-	clear_bit(PG_NEED_COMMIT, &req->wb_flags);
-	smp_mb__after_clear_bit();
-}
-
-static inline int
-nfs_defer_reschedule(struct nfs_page *req)
-{
-	return !test_and_set_bit(PG_NEED_RESCHED, &req->wb_flags);
-}
-
-static inline void
-nfs_clear_reschedule(struct nfs_page *req)
-{
-	smp_mb__before_clear_bit();
-	clear_bit(PG_NEED_RESCHED, &req->wb_flags);
-	smp_mb__after_clear_bit();
-}
-
 static inline struct nfs_page *
 nfs_list_entry(struct list_head *head)
 {