/*
* Valid flags for a dirty buffer
*/
-#define PG_BUSY 0
-#define PG_NEED_COMMIT 1
-#define PG_NEED_RESCHED 2
+enum {
+ PG_BUSY = 0,
+ PG_CLEAN,
+ PG_NEED_COMMIT,
+ PG_NEED_RESCHED,
+};
struct nfs_inode;
struct nfs_page {
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);
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