diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c
index 3a77a03aa..e572301f5 100644
--- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c
+++ b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_fs.c
@@ -32,7 +32,7 @@
  */
 
 const char *yaffs_fs_c_version =
-    "$Id: yaffs_fs.c,v 1.60 2007-05-15 20:07:40 charles Exp $";
+    "$Id: yaffs_fs.c,v 1.63 2007-09-19 20:35:40 imcd Exp $";
 extern const char *yaffs_guts_c_version;
 
 #include <linux/version.h>
@@ -213,24 +213,45 @@ static struct address_space_operations yaffs_file_address_operations = {
 	.commit_write = yaffs_commit_write,
 };
 
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,22))
 static struct file_operations yaffs_file_operations = {
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
 	.read = do_sync_read,
 	.write = do_sync_write,
 	.aio_read = generic_file_aio_read,
 	.aio_write = generic_file_aio_write,
+	.mmap = generic_file_mmap,
+	.flush = yaffs_file_flush,
+	.fsync = yaffs_sync_object,
+	.splice_read = generic_file_splice_read,
+	.splice_write = generic_file_splice_write,
+};
+
+#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,18))
+
+static struct file_operations yaffs_file_operations = {
+	.read = do_sync_read,
+	.write = do_sync_write,
+	.aio_read = generic_file_aio_read,
+	.aio_write = generic_file_aio_write,
+	.mmap = generic_file_mmap,
+	.flush = yaffs_file_flush,
+	.fsync = yaffs_sync_object,
+	.sendfile = generic_file_sendfile,
+};
+
 #else
+
+static struct file_operations yaffs_file_operations = {
 	.read = generic_file_read,
 	.write = generic_file_write,
-#endif
 	.mmap = generic_file_mmap,
 	.flush = yaffs_file_flush,
 	.fsync = yaffs_sync_object,
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
 	.sendfile = generic_file_sendfile,
 #endif
-
 };
+#endif
 
 static struct inode_operations yaffs_file_inode_operations = {
 	.setattr = yaffs_setattr,
@@ -1430,6 +1451,7 @@ static void yaffs_read_inode(struct inode *inode)
 
 static LIST_HEAD(yaffs_dev_list);
 
+#if 0 // not used
 static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
 {
 	yaffs_Device    *dev = yaffs_SuperToDevice(sb);
@@ -1458,6 +1480,7 @@ static int yaffs_remount_fs(struct super_block *sb, int *flags, char *data)
  
 	return 0;
 }
+#endif
 
 static void yaffs_put_super(struct super_block *sb)
 {
@@ -2095,7 +2118,7 @@ static int yaffs_proc_write(struct file *file, const char *buf,
 	unsigned rg = 0, mask_bitfield;
 	char *end;
 	char *mask_name;
-	char *x; 
+	const char *x; 
 	char substring[MAX_MASK_NAME_LENGTH+1];
 	int i;
 	int done = 0;
@@ -2128,6 +2151,7 @@ static int yaffs_proc_write(struct file *file, const char *buf,
 		if (end > buf + pos) {
 			mask_name = "numeral";
 			len = end - (buf + pos);
+			pos += len;
 			done = 0;
 		} else {
 			for(x = buf + pos, i = 0; 
@@ -2137,8 +2161,6 @@ static int yaffs_proc_write(struct file *file, const char *buf,
 			substring[i] = '\0';
 			
 			for (i = 0; mask_flags[i].mask_name != NULL; i++) {
-				//len = strlen(mask_flags[i].mask_name);
-				//if (strncmp(buf + pos, mask_flags[i].mask_name, len) == 0) {
 				if(strcmp(substring,mask_flags[i].mask_name) == 0){
 					mask_name = mask_flags[i].mask_name;
 					mask_bitfield = mask_flags[i].mask_bitfield;
@@ -2149,7 +2171,6 @@ static int yaffs_proc_write(struct file *file, const char *buf,
 		}
 
 		if (mask_name != NULL) {
-			// pos += len;
 			done = 0;
 			switch(add) {
 			case '-':
diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h b/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h
index e5e3dbe8e..8b80c6d68 100644
--- a/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h
+++ b/target/linux/generic-2.6/files/fs/yaffs2/yportenv.h
@@ -32,6 +32,7 @@
 #endif
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/sched.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>