static const struct vm_operations_struct xip_file_vm_ops = {
.fault = xip_file_fault,
+ .page_mkwrite = filemap_page_mkwrite,
};
int xip_file_mmap(struct file * file, struct vm_area_struct * vma)
loff_t pos;
ssize_t ret;
+ sb_start_write(inode->i_sb);
+
mutex_lock(&inode->i_mutex);
if (!access_ok(VERIFY_READ, buf, len)) {
pos = *ppos;
count = len;
- vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE);
-
/* We can write back this queue in page reclaim */
current->backing_dev_info = mapping->backing_dev_info;
current->backing_dev_info = NULL;
out_up:
mutex_unlock(&inode->i_mutex);
+ sb_end_write(inode->i_sb);
return ret;
}
EXPORT_SYMBOL_GPL(xip_file_write);