kernel: fix yaffs compile for >= v3.16

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44643 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/generic/patches-3.18/505-yaffs-3.16-new-fops.patch

+--- a/fs/yaffs2/yaffs_vfs.c
++++ b/fs/yaffs2/yaffs_vfs.c
+@@ -796,13 +796,13 @@
+ static const 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,
++	.read_iter = generic_file_read_iter,
++	.write_iter = generic_file_write_iter,
+ 	.mmap = generic_file_mmap,
+ 	.flush = yaffs_file_flush,
+ 	.fsync = yaffs_sync_object,
+ 	.splice_read = generic_file_splice_read,
+-	.splice_write = generic_file_splice_write,
++	.splice_write = iter_file_splice_write,
+ 	.llseek = generic_file_llseek,
+ };
+ 
+@@ -1050,7 +1050,7 @@
+ 	if (!alias)
+ 		return -ENOMEM;
+ 
+-	ret = vfs_readlink(dentry, buffer, buflen, alias);
++	ret = readlink_copy(buffer, buflen, alias);
+ 	kfree(alias);
+ 	return ret;
+ }

target/linux/generic/patches-3.19/505-yaffs-3.16-new-fops.patch

+--- a/fs/yaffs2/yaffs_vfs.c
++++ b/fs/yaffs2/yaffs_vfs.c
+@@ -796,13 +796,13 @@
+ static const 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,
++	.read_iter = generic_file_read_iter,
++	.write_iter = generic_file_write_iter,
+ 	.mmap = generic_file_mmap,
+ 	.flush = yaffs_file_flush,
+ 	.fsync = yaffs_sync_object,
+ 	.splice_read = generic_file_splice_read,
+-	.splice_write = generic_file_splice_write,
++	.splice_write = iter_file_splice_write,
+ 	.llseek = generic_file_llseek,
+ };
+ 
+@@ -1050,7 +1050,7 @@
+ 	if (!alias)
+ 		return -ENOMEM;
+ 
+-	ret = vfs_readlink(dentry, buffer, buflen, alias);
++	ret = readlink_copy(buffer, buflen, alias);
+ 	kfree(alias);
+ 	return ret;
+ }

target/linux/generic/patches-4.0/505-yaffs-3.16-new-fops.patch

+--- a/fs/yaffs2/yaffs_vfs.c
++++ b/fs/yaffs2/yaffs_vfs.c
+@@ -796,13 +796,13 @@
+ static const 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,
++	.read_iter = generic_file_read_iter,
++	.write_iter = generic_file_write_iter,
+ 	.mmap = generic_file_mmap,
+ 	.flush = yaffs_file_flush,
+ 	.fsync = yaffs_sync_object,
+ 	.splice_read = generic_file_splice_read,
+-	.splice_write = generic_file_splice_write,
++	.splice_write = iter_file_splice_write,
+ 	.llseek = generic_file_llseek,
+ };
+ 
+@@ -1050,7 +1050,7 @@
+ 	if (!alias)
+ 		return -ENOMEM;
+ 
+-	ret = vfs_readlink(dentry, buffer, buflen, alias);
++	ret = readlink_copy(buffer, buflen, alias);
+ 	kfree(alias);
+ 	return ret;
+ }