X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fnfs_page.h;h=a1676e19e49170dc41607ae824b5c911c83886c1;hb=299cfe38081bea6dcd8b882375f6f65a980bccf9;hp=042434c39b7e90f9bc8cd9eb04b25be0b6e547d3;hpb=9fd367f0f376ccfb2592eed9be0eece70429894f;p=linux-2.6

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 042434c39b..a1676e19e4 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -22,6 +22,7 @@
  * Valid flags for the radix tree
  */
 #define NFS_PAGE_TAG_LOCKED	0
+#define NFS_PAGE_TAG_COMMIT	1
 
 /*
  * Valid flags for a dirty buffer
@@ -29,12 +30,10 @@
 #define PG_BUSY			0
 #define PG_NEED_COMMIT		1
 #define PG_NEED_RESCHED		2
-#define PG_NEED_FLUSH		3
 
 struct nfs_inode;
 struct nfs_page {
-	struct list_head	wb_list,	/* Defines state of page: */
-				*wb_list_head;	/*      read/write/commit */
+	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 */
 	atomic_t		wb_complete;	/* i/os we're waiting for */
@@ -71,8 +70,8 @@ extern	void nfs_clear_request(struct nfs_page *req);
 extern	void nfs_release_request(struct nfs_page *req);
 
 
-extern	int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
-			  pgoff_t idx_start, unsigned int npages);
+extern	int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *dst,
+			  pgoff_t idx_start, unsigned int npages, int tag);
 extern	void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
 			     struct inode *inode,
 			     int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int),
@@ -84,6 +83,7 @@ extern	void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
 extern	void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t);
 extern  int nfs_wait_on_request(struct nfs_page *);
 extern	void nfs_unlock_request(struct nfs_page *req);
+extern	int nfs_set_page_tag_locked(struct nfs_page *req);
 extern  void nfs_clear_page_tag_locked(struct nfs_page *req);
 
 
@@ -96,18 +96,6 @@ nfs_lock_request_dontget(struct nfs_page *req)
 	return !test_and_set_bit(PG_BUSY, &req->wb_flags);
 }
 
-/*
- * Lock the page of an asynchronous request and take a reference
- */
-static inline int
-nfs_lock_request(struct nfs_page *req)
-{
-	if (test_and_set_bit(PG_BUSY, &req->wb_flags))
-		return 0;
-	kref_get(&req->wb_kref);
-	return 1;
-}
-
 /**
  * nfs_list_add_request - Insert a request into a list
  * @req: request
@@ -117,7 +105,6 @@ static inline void
 nfs_list_add_request(struct nfs_page *req, struct list_head *head)
 {
 	list_add_tail(&req->wb_list, head);
-	req->wb_list_head = head;
 }
 
 
@@ -131,7 +118,6 @@ nfs_list_remove_request(struct nfs_page *req)
 	if (list_empty(&req->wb_list))
 		return;
 	list_del_init(&req->wb_list);
-	req->wb_list_head = NULL;
 }
 
 static inline struct nfs_page *