direct IO + fixes

1 files changed, 14 insertions, 1 deletions

diff --git a/kernel/fuse_i.h b/kernel/fuse_i.h
index f83ac6a..59bc0bc 100644
--- a/kernel/fuse_i.h
+++ b/kernel/fuse_i.h
@@ -62,6 +62,9 @@ permission checking is done in the kernel */
     than for small. */
 #define FUSE_LARGE_READ          (1 << 3)
 
+/** Bypass the page cache for read and write operations  */
+#define FUSE_DIRECT_IO           (1 << 4)
+
 /** One input argument of a request */
 struct fuse_in_arg {
 	unsigned int size;
@@ -136,7 +139,11 @@ struct fuse_req {
 
 	/** Data for asynchronous requests */
 	union {
-		struct fuse_write_in write_in;
+		struct {
+			struct fuse_write_in in;
+			struct fuse_write_out out;
+			
+		} write;
 		struct fuse_open_in open_in;
 		struct fuse_forget_in forget_in;
 	} misc;
@@ -162,6 +169,12 @@ struct fuse_conn {
 	/** The fuse mount flags for this mount */
 	unsigned int flags;
 
+	/** Maximum read size */
+	unsigned int max_read;
+
+	/** Maximum write size */
+	unsigned int max_write;
+
 	/** Readers of the connection are waiting on this */
 	wait_queue_head_t waitq;