/*
* Valid flags for the radix tree
*/
+#define NFS_PAGE_TAG_DIRTY 0
#define NFS_PAGE_TAG_WRITEBACK 1
/*
#define PG_NEED_COMMIT 1
#define PG_NEED_RESCHED 2
+struct nfs_inode;
struct nfs_page {
struct list_head wb_list, /* Defines state of page: */
*wb_list_head; /* read/write/commit */
extern void nfs_release_request(struct nfs_page *req);
-extern void nfs_list_add_request(struct nfs_page *, struct list_head *);
-
+extern int nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst,
+ unsigned long idx_start, unsigned int npages);
extern int nfs_scan_list(struct list_head *, struct list_head *,
unsigned long, unsigned int);
extern int nfs_coalesce_requests(struct list_head *, struct list_head *,
static inline int
nfs_lock_request_dontget(struct nfs_page *req)
{
- if (test_and_set_bit(PG_BUSY, &req->wb_flags))
- return 0;
- return 1;
+ return !test_and_set_bit(PG_BUSY, &req->wb_flags);
}
/*
return 1;
}
+/**
+ * nfs_list_add_request - Insert a request into a list
+ * @req: request
+ * @head: head of list into which to insert the request.
+ */
+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;
+}
+
/**
* nfs_list_remove_request - Remove a request from its wb_list
static inline int
nfs_defer_commit(struct nfs_page *req)
{
- if (test_and_set_bit(PG_NEED_COMMIT, &req->wb_flags))
- return 0;
- return 1;
+ return !test_and_set_bit(PG_NEED_COMMIT, &req->wb_flags);
}
static inline void
static inline int
nfs_defer_reschedule(struct nfs_page *req)
{
- if (test_and_set_bit(PG_NEED_RESCHED, &req->wb_flags))
- return 0;
- return 1;
+ return !test_and_set_bit(PG_NEED_RESCHED, &req->wb_flags);
}
static inline void