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-rw-r--r--fs/cifs/file.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 5790fab7349..0b32377ef8b 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -1769,6 +1769,21 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
return total_read;
}
+int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ int rc, xid;
+ struct inode *inode = file->f_path.dentry->d_inode;
+
+ xid = GetXid();
+
+ if (!CIFS_I(inode)->clientCanCacheRead)
+ cifs_invalidate_mapping(inode);
+
+ rc = generic_file_mmap(file, vma);
+ FreeXid(xid);
+ return rc;
+}
+
int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
int rc, xid;