fs: ext4: disable support for fallocate FALLOC_FL_PUNCH_HOLE

Bug: 28760453 Change-Id: I019c2de559db9e4b95860ab852211b456d78c4ca Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Unlegacy-Android · Jul 8, 2017 · 189485a · 189485a
1 parent 2b17823
commit 189485a
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
@@ -4475,6 +4475,7 @@ int ext4_can_truncate(struct inode *inode)
 
 int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 {
+#if 0
 	struct inode *inode = file->f_path.dentry->d_inode;
 	if (!S_ISREG(inode->i_mode))
 		return -ENOTSUPP;
@@ -4485,6 +4486,12 @@ int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 	}
 
 	return ext4_ext_punch_hole(file, offset, length);
+#else
+	/*
+	 * Disabled as per b/28760453
+	 */
+	return -EOPNOTSUPP;
+#endif
 }
 
 /*