X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fllite%2Fvvp_internal.h;h=363a0f358e89045c1f1aed49c620843be86dea94;hb=d8bc3df60f21c40885be465f3a636374ffab95df;hp=11839b215a54666f605b7cec24135615783826f3;hpb=ccabce23bd9e366c345c852f565766a799f61238;p=fs%2Flustre-release.git

diff --git a/lustre/llite/vvp_internal.h b/lustre/llite/vvp_internal.h
index 11839b2..363a0f3 100644
--- a/lustre/llite/vvp_internal.h
+++ b/lustre/llite/vvp_internal.h
@@ -60,16 +60,17 @@ struct vvp_io {
 	/** super class */
 	struct cl_io_slice     vui_cl;
 	struct cl_io_lock_link vui_link;
-	/** Total size for the left IO. */
+	/**
+	 * I/O vector information to or from which read/write is going.
+	 */
+	struct iov_iter *vui_iter;
+	/**
+	 * Total size for the left IO.
+	 */
 	size_t vui_tot_count;
 
 	union {
 		struct vvp_fault_io {
-			/**
-			 * Inode modification time that is checked across DLM
-			 * lock request.
-			 */
-			time64_t		 ft_mtime;
 			struct vm_area_struct	*ft_vma;
 			/**
 			 *  locked page returned from vvp_io
@@ -87,6 +88,7 @@ struct vvp_io {
 			 * check that flags are from filemap_fault
 			 */
 			bool			 ft_flags_valid;
+			struct cl_page_list	 ft_queue;
 		} fault;
 		struct {
 			struct pipe_inode_info	*vui_pipe;
@@ -95,9 +97,10 @@ struct vvp_io {
 		struct {
 			struct cl_page_list vui_queue;
 			unsigned long vui_written;
+			unsigned long vui_read;
 			int vui_from;
 			int vui_to;
-		} write;
+		} readwrite; /* normal io */
 	} u;
 
 	enum vvp_io_subtype	vui_io_subtype;
@@ -110,12 +113,13 @@ struct vvp_io {
 	* File descriptor against which IO is done.
 	*/
 	struct ll_file_data	*vui_fd;
+	struct kiocb		*vui_iocb;
 
 	/* Readahead state. */
-	pgoff_t	vui_ra_start;
-	pgoff_t	vui_ra_count;
+	pgoff_t			vui_ra_start_idx;
+	pgoff_t			vui_ra_pages;
 	/* Set when vui_ra_{start,count} have been initialized. */
-	bool		vui_ra_valid;
+	bool			vui_ra_valid;
 };
 
 extern struct lu_device_type vvp_device_type;
@@ -242,7 +246,7 @@ static inline struct vvp_page *cl2vvp_page(const struct cl_page_slice *slice)
 
 static inline pgoff_t vvp_index(struct vvp_page *vpg)
 {
-	return vpg->vpg_cl.cpl_index;
+	return vpg->vpg_page->index;
 }
 
 struct vvp_device {
@@ -257,22 +261,22 @@ static inline struct lu_device *vvp2lu_dev(struct vvp_device *vdv)
 
 static inline struct vvp_device *lu2vvp_dev(const struct lu_device *d)
 {
-	return container_of0(d, struct vvp_device, vdv_cl.cd_lu_dev);
+	return container_of_safe(d, struct vvp_device, vdv_cl.cd_lu_dev);
 }
 
 static inline struct vvp_device *cl2vvp_dev(const struct cl_device *d)
 {
-	return container_of0(d, struct vvp_device, vdv_cl);
+	return container_of_safe(d, struct vvp_device, vdv_cl);
 }
 
 static inline struct vvp_object *cl2vvp(const struct cl_object *obj)
 {
-	return container_of0(obj, struct vvp_object, vob_cl);
+	return container_of_safe(obj, struct vvp_object, vob_cl);
 }
 
 static inline struct vvp_object *lu2vvp(const struct lu_object *obj)
 {
-	return container_of0(obj, struct vvp_object, vob_cl.co_lu);
+	return container_of_safe(obj, struct vvp_object, vob_cl.co_lu);
 }
 
 static inline struct inode *vvp_object_inode(const struct cl_object *obj)
@@ -316,6 +320,11 @@ struct lu_object *vvp_object_alloc(const struct lu_env *env,
 int vvp_global_init(void);
 void vvp_global_fini(void);
 
+#ifndef HAVE_ACCOUNT_PAGE_DIRTIED_EXPORT
+extern unsigned int (*vvp_account_page_dirtied)(struct page *page,
+						struct address_space *mapping);
+#endif
+
 extern const struct file_operations vvp_dump_pgcache_file_ops;
 
 #endif /* VVP_INTERNAL_H */