From 50b5551d1719c8bce60c6d4027b814cfc72c2307 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 3 Apr 2014 14:13:46 -0400
Subject: [PATCH] afs: switch to ->write_iter()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/afs/file.c     |  4 ++--
 fs/afs/internal.h |  3 +--
 fs/afs/write.c    | 11 +++++------
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/fs/afs/file.c b/fs/afs/file.c
index 26fd19bfccc3..932ce07948b3 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -32,9 +32,9 @@ const struct file_operations afs_file_operations = {
 	.release	= afs_release,
 	.llseek		= generic_file_llseek,
 	.read		= new_sync_read,
-	.write		= do_sync_write,
+	.write		= new_sync_write,
 	.read_iter	= generic_file_read_iter,
-	.aio_write	= afs_file_write,
+	.write_iter	= afs_file_write,
 	.mmap		= generic_file_readonly_mmap,
 	.splice_read	= generic_file_splice_read,
 	.fsync		= afs_fsync,
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index be75b500005d..d2f91bd615a9 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -747,8 +747,7 @@ extern int afs_write_end(struct file *file, struct address_space *mapping,
 extern int afs_writepage(struct page *, struct writeback_control *);
 extern int afs_writepages(struct address_space *, struct writeback_control *);
 extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
-extern ssize_t afs_file_write(struct kiocb *, const struct iovec *,
-			      unsigned long, loff_t);
+extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *);
 extern int afs_writeback_all(struct afs_vnode *);
 extern int afs_fsync(struct file *, loff_t, loff_t, int);
 
diff --git a/fs/afs/write.c b/fs/afs/write.c
index a890db4b9898..ab6adfd52516 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -625,15 +625,14 @@ void afs_pages_written_back(struct afs_vnode *vnode, struct afs_call *call)
 /*
  * write to an AFS file
  */
-ssize_t afs_file_write(struct kiocb *iocb, const struct iovec *iov,
-		       unsigned long nr_segs, loff_t pos)
+ssize_t afs_file_write(struct kiocb *iocb, struct iov_iter *from)
 {
 	struct afs_vnode *vnode = AFS_FS_I(file_inode(iocb->ki_filp));
 	ssize_t result;
-	size_t count = iov_length(iov, nr_segs);
+	size_t count = iov_iter_count(from);
 
-	_enter("{%x.%u},{%zu},%lu,",
-	       vnode->fid.vid, vnode->fid.vnode, count, nr_segs);
+	_enter("{%x.%u},{%zu},",
+	       vnode->fid.vid, vnode->fid.vnode, count);
 
 	if (IS_SWAPFILE(&vnode->vfs_inode)) {
 		printk(KERN_INFO
@@ -644,7 +643,7 @@ ssize_t afs_file_write(struct kiocb *iocb, const struct iovec *iov,
 	if (!count)
 		return 0;
 
-	result = generic_file_aio_write(iocb, iov, nr_segs, pos);
+	result = generic_file_write_iter(iocb, from);
 	if (IS_ERR_VALUE(result)) {
 		_leave(" = %zd", result);
 		return result;