patch-2.1.79 linux/include/linux/nfs_fs.h

• Lines: 73
• Date: Mon Jan 12 16:43:34 1998
• Orig file: v2.1.78/linux/include/linux/nfs_fs.h
• Orig date: Tue Jan 6 09:37:38 1998

diff -u --recursive --new-file v2.1.78/linux/include/linux/nfs_fs.h linux/include/linux/nfs_fs.h
@@ -13,7 +13,7 @@
 #include <linux/sched.h>
 #include <linux/in.h>
 
-#include <linux/sunrpc/debug.h>
+#include <linux/sunrpc/sched.h>
 #include <linux/nfs.h>
 #include <linux/nfs_mount.h>
 
@@ -78,8 +78,6 @@
 
 #define NFS_FLAGS(inode)		((inode)->u.nfs_i.flags)
 #define NFS_REVALIDATING(inode)		(NFS_FLAGS(inode) & NFS_INO_REVALIDATE)
-
-#define NFS_RENAMED_DIR(inode)		((inode)->u.nfs_i.silly_inode)
 #define NFS_WRITEBACK(inode)		((inode)->u.nfs_i.writeback)
 
 /*
@@ -90,6 +88,46 @@
 #ifdef __KERNEL__
 
 /*
+ * This struct describes a file region to be written.
+ * It's kind of a pity we have to keep all these lists ourselves, rather
+ * than sticking an extra pointer into struct page.
+ */
+struct nfs_wreq {
+	struct rpc_listitem	wb_list;	/* linked list of req's */
+	struct rpc_task		wb_task;	/* RPC task */
+	struct dentry *		wb_dentry;	/* dentry referenced */
+	struct inode *		wb_inode;	/* inode referenced */
+	struct page *		wb_page;	/* page to be written */
+	unsigned int		wb_offset;	/* offset within page */
+	unsigned int		wb_bytes;	/* dirty range */
+	pid_t			wb_pid;		/* owner process */
+	unsigned short		wb_flags;	/* status flags */
+
+	struct nfs_writeargs *	wb_args;	/* NFS RPC stuff */
+	struct nfs_fattr *	wb_fattr;	/* file attributes */
+};
+#define wb_status		wb_task.tk_status
+
+#define WB_NEXT(req)		((struct nfs_wreq *) ((req)->wb_list.next))
+
+/*
+ * Various flags for wb_flags
+ */
+#define NFS_WRITE_WANTLOCK	0x0001	/* needs to lock page */
+#define NFS_WRITE_LOCKED	0x0002	/* holds lock on page */
+#define NFS_WRITE_CANCELLED	0x0004	/* has been cancelled */
+#define NFS_WRITE_UNCOMMITTED	0x0008	/* written but uncommitted (NFSv3) */
+#define NFS_WRITE_INVALIDATE	0x0010	/* invalidate after write */
+#define NFS_WRITE_INPROGRESS	0x0020	/* RPC call in progress */
+
+#define WB_WANTLOCK(req)	((req)->wb_flags & NFS_WRITE_WANTLOCK)
+#define WB_HAVELOCK(req)	((req)->wb_flags & NFS_WRITE_LOCKED)
+#define WB_CANCELLED(req)	((req)->wb_flags & NFS_WRITE_CANCELLED)
+#define WB_UNCOMMITTED(req)	((req)->wb_flags & NFS_WRITE_UNCOMMITTED)
+#define WB_INVALIDATE(req)	((req)->wb_flags & NFS_WRITE_INVALIDATE)
+#define WB_INPROGRESS(req)	((req)->wb_flags & NFS_WRITE_INPROGRESS)
+
+/*
  * linux/fs/nfs/proc.c
  */
 extern int nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
@@ -171,6 +209,7 @@
  * linux/fs/nfs/write.c
  */
 extern int  nfs_writepage(struct dentry *, struct page *);
+extern int  nfs_find_dentry_request(struct inode *, struct dentry *);
 extern int  nfs_check_failed_request(struct inode *);
 extern int  nfs_check_error(struct inode *);
 extern int  nfs_flush_dirty_pages(struct inode *, pid_t, off_t, off_t);