nfs: switch to ->write_iter()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 10 insertions, 12 deletions

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 200bdb0779f0..20a18e426bdf 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -634,23 +634,21 @@ static int nfs_need_sync_write(struct file *filp, struct inode *inode)
         return 0;
 }
 
-ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
-                       unsigned long nr_segs, loff_t pos)
+ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from)
 {
         struct file *file = iocb->ki_filp;
         struct inode *inode = file_inode(file);
         unsigned long written = 0;
         ssize_t result;
-        size_t count = iov_length(iov, nr_segs);
-        struct iov_iter from;
-        iov_iter_init(&from, WRITE, iov, nr_segs, count);
+        size_t count = iov_iter_count(from);
+        loff_t pos = iocb->ki_pos;
 
         result = nfs_key_timeout_notify(file, inode);
         if (result)
                 return result;
 
         if (file->f_flags & O_DIRECT)
-                return nfs_file_direct_write(iocb, &from, pos, true);
+                return nfs_file_direct_write(iocb, from, pos, true);
 
         dprintk("NFS: write(%pD2, %zu@%Ld)\n",
                 file, count, (long long) pos);
@@ -671,7 +669,7 @@ ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
         if (!count)
                 goto out;
 
-        result = generic_file_aio_write(iocb, iov, nr_segs, pos);
+        result = generic_file_write_iter(iocb, from);
         if (result > 0)
                 written = result;
 
@@ -941,9 +939,9 @@ EXPORT_SYMBOL_GPL(nfs_setlease);
 const struct file_operations nfs_file_operations = {
         .llseek         = nfs_file_llseek,
         .read           = new_sync_read,
-        .write          = do_sync_write,
+        .write          = new_sync_write,
         .read_iter      = nfs_file_read,
-        .aio_write      = nfs_file_write,
+        .write_iter     = nfs_file_write,
         .mmap           = nfs_file_mmap,
         .open           = nfs_file_open,
         .flush          = nfs_file_flush,
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index e598e4a852ad..a5b36fc6b795 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -324,7 +324,7 @@ ssize_t nfs_file_read(struct kiocb *, struct iov_iter *);
 ssize_t nfs_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *,
                              size_t, unsigned int);
 int nfs_file_mmap(struct file *, struct vm_area_struct *);
-ssize_t nfs_file_write(struct kiocb *, const struct iovec *, unsigned long, loff_t);
+ssize_t nfs_file_write(struct kiocb *, struct iov_iter *);
 int nfs_file_release(struct inode *, struct file *);
 int nfs_lock(struct file *, int, struct file_lock *);
 int nfs_flock(struct file *, int, struct file_lock *);
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 37a998cae963..549dd49638b2 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -119,9 +119,9 @@ nfs4_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 const struct file_operations nfs4_file_operations = {
         .llseek         = nfs_file_llseek,
         .read           = new_sync_read,
-        .write          = do_sync_write,
+        .write          = new_sync_write,
         .read_iter      = nfs_file_read,
-        .aio_write      = nfs_file_write,
+        .write_iter     = nfs_file_write,
         .mmap           = nfs_file_mmap,
         .open           = nfs4_file_open,
         .flush          = nfs_file_flush,