X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=mm%2Ffilemap_xip.c;h=b4fd0d7c9bfb23e08e2380d9b06bca14de4a95e7;hb=fa053d2f008cb73fa768b8e171486d8c0b33312b;hp=9cf687e4a29aa19e665d6abbec455f6d2c8752eb;hpb=1ef43204f4bd24dcd3156185b19b31b6b4151ae9;p=karo-tx-linux.git

diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 9cf687e4a29a..b4fd0d7c9bfb 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -273,7 +273,7 @@ __xip_file_write(struct file *filp, const char __user *buf,
 		  size_t count, loff_t pos, loff_t *ppos)
 {
 	struct address_space * mapping = filp->f_mapping;
-	struct address_space_operations *a_ops = mapping->a_ops;
+	const struct address_space_operations *a_ops = mapping->a_ops;
 	struct inode 	*inode = mapping->host;
 	long		status = 0;
 	struct page	*page;
@@ -338,7 +338,7 @@ __xip_file_write(struct file *filp, const char __user *buf,
 	*ppos = pos;
 	/*
 	 * No need to use i_size_read() here, the i_size
-	 * cannot change under us because we hold i_sem.
+	 * cannot change under us because we hold i_mutex.
 	 */
 	if (pos > inode->i_size) {
 		i_size_write(inode, pos);
@@ -358,7 +358,7 @@ xip_file_write(struct file *filp, const char __user *buf, size_t len,
 	loff_t pos;
 	ssize_t ret;
 
-	down(&inode->i_sem);
+	mutex_lock(&inode->i_mutex);
 
 	if (!access_ok(VERIFY_READ, buf, len)) {
 		ret=-EFAULT;
@@ -383,14 +383,14 @@ xip_file_write(struct file *filp, const char __user *buf, size_t len,
 	if (ret)
 		goto out_backing;
 
-	inode_update_time(inode, 1);
+	file_update_time(filp);
 
 	ret = __xip_file_write (filp, buf, count, pos, ppos);
 
  out_backing:
 	current->backing_dev_info = NULL;
  out_up:
-	up(&inode->i_sem);
+	mutex_unlock(&inode->i_mutex);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(xip_file_write);