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-rw-r--r--include/linux/fadvise.h6
-rw-r--r--include/linux/fs.h5
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/fadvise.h b/include/linux/fadvise.h
index e8e747139b9..b2913bba35d 100644
--- a/include/linux/fadvise.h
+++ b/include/linux/fadvise.h
@@ -18,4 +18,10 @@
#define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
#endif
+/*
+ * Linux-specific fadvise() extensions:
+ */
+#define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range */
+#define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to range */
+
#endif /* FADVISE_H_INCLUDED */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 65e6df247ea..0ad70c1e5e5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1473,6 +1473,11 @@ extern int filemap_fdatawait(struct address_space *);
extern int filemap_write_and_wait(struct address_space *mapping);
extern int filemap_write_and_wait_range(struct address_space *mapping,
loff_t lstart, loff_t lend);
+extern int wait_on_page_writeback_range(struct address_space *mapping,
+ pgoff_t start, pgoff_t end);
+extern int __filemap_fdatawrite_range(struct address_space *mapping,
+ loff_t start, loff_t end, int sync_mode);
+
extern void sync_supers(void);
extern void sync_filesystems(int wait);
extern void emergency_sync(void);