kill the 5th argument of generic_file_buffered_write()

same story - it's &iocb->ki_pos in all cases
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

fs/ceph/file.c

@@ -978,8 +978,7 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
 		 * can not run at the same time
 		 */
 		written = generic_file_buffered_write(iocb, iov, nr_segs,
-						      pos, &iocb->ki_pos,
-						      count, 0);
+						      pos, count, 0);
 		mutex_unlock(&inode->i_mutex);
 	}
 

fs/ocfs2/file.c

@@ -2383,7 +2383,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
 	} else {
 		current->backing_dev_info = file->f_mapping->backing_dev_info;
 		written = generic_file_buffered_write(iocb, iov, nr_segs, *ppos,
-						      ppos, count, 0);
+						      count, 0);
 		current->backing_dev_info = NULL;
 	}
 

fs/xfs/xfs_file.c

@@ -738,7 +738,7 @@ xfs_file_buffered_aio_write(
 write_retry:
 	trace_xfs_file_buffered_write(ip, count, iocb->ki_pos, 0);
 	ret = generic_file_buffered_write(iocb, iovp, nr_segs,
-			pos, &iocb->ki_pos, count, 0);
+			pos, count, 0);
 
 	/*
 	 * If we just got an ENOSPC, try to write back all dirty inodes to

include/linux/fs.h

@@ -2397,7 +2397,7 @@ extern ssize_t generic_file_aio_write(struct kiocb *, const struct iovec *, unsi
 extern ssize_t generic_file_direct_write(struct kiocb *, const struct iovec *,
 		unsigned long *, loff_t, loff_t *, size_t, size_t);
 extern ssize_t generic_file_buffered_write(struct kiocb *, const struct iovec *,
-		unsigned long, loff_t, loff_t *, size_t, ssize_t);
+		unsigned long, loff_t, size_t, ssize_t);
 extern ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos);
 extern ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos);
 extern int generic_segment_checks(const struct iovec *iov,

mm/filemap.c

@@ -2183,7 +2183,7 @@ static ssize_t generic_perform_write(struct file *file,
 
 ssize_t
 generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
-		unsigned long nr_segs, loff_t pos, loff_t *ppos,
+		unsigned long nr_segs, loff_t pos,
 		size_t count, ssize_t written)
 {
 	struct file *file = iocb->ki_filp;
@@ -2195,7 +2195,7 @@ generic_file_buffered_write(struct kiocb *iocb, const struct iovec *iov,
 
 	if (likely(status >= 0)) {
 		written += status;
-		*ppos = pos + status;
+		iocb->ki_pos = pos + status;
   	}
 	
 	return written ? written : status;
@@ -2275,8 +2275,7 @@ ssize_t __generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 		pos += written;
 		count -= written;
 		written_buffered = generic_file_buffered_write(iocb, iov,
-						nr_segs, pos, &iocb->ki_pos, count,
-						written);
+						nr_segs, pos, count, written);
 		/*
 		 * If generic_file_buffered_write() retuned a synchronous error
 		 * then we want to return the number of bytes which were
@@ -2309,7 +2308,7 @@ ssize_t __generic_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 		}
 	} else {
 		written = generic_file_buffered_write(iocb, iov, nr_segs,
-				pos, &iocb->ki_pos, count, written);
+				pos, count, written);
 	}
 out:
 	current->backing_dev_info = NULL;