---

yaml
---
r: 365452
b: refs/heads/master
c: 865ffef
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 209ff86d61d6b50979cffb47878fc77ca2f6c8a2
+refs/heads/master: 865ffef3797da2cac85b3354b5b6050dc9660978

trunk/mm/filemap.c

@@ -188,6 +188,17 @@ static int sleep_on_page_killable(void *word)
 	return fatal_signal_pending(current) ? -EINTR : 0;
 }
 
+static int filemap_check_errors(struct address_space *mapping)
+{
+	int ret = 0;
+	/* Check for outstanding write errors */
+	if (test_and_clear_bit(AS_ENOSPC, &mapping->flags))
+		ret = -ENOSPC;
+	if (test_and_clear_bit(AS_EIO, &mapping->flags))
+		ret = -EIO;
+	return ret;
+}
+
 /**
  * __filemap_fdatawrite_range - start writeback on mapping dirty pages in range
  * @mapping:	address space structure to write
@@ -269,10 +280,10 @@ int filemap_fdatawait_range(struct address_space *mapping, loff_t start_byte,
 	pgoff_t end = end_byte >> PAGE_CACHE_SHIFT;
 	struct pagevec pvec;
 	int nr_pages;
-	int ret = 0;
+	int ret2, ret = 0;
 
 	if (end_byte < start_byte)
-		return 0;
+		goto out;
 
 	pagevec_init(&pvec, 0);
 	while ((index <= end) &&
@@ -295,12 +306,10 @@ int filemap_fdatawait_range(struct address_space *mapping, loff_t start_byte,
 		pagevec_release(&pvec);
 		cond_resched();
 	}
-
-	/* Check for outstanding write errors */
-	if (test_and_clear_bit(AS_ENOSPC, &mapping->flags))
-		ret = -ENOSPC;
-	if (test_and_clear_bit(AS_EIO, &mapping->flags))
-		ret = -EIO;
+out:
+	ret2 = filemap_check_errors(mapping);
+	if (!ret)
+		ret = ret2;
 
 	return ret;
 }
@@ -341,6 +350,8 @@ int filemap_write_and_wait(struct address_space *mapping)
 			if (!err)
 				err = err2;
 		}
+	} else {
+		err = filemap_check_errors(mapping);
 	}
 	return err;
 }
@@ -372,6 +383,8 @@ int filemap_write_and_wait_range(struct address_space *mapping,
 			if (!err)
 				err = err2;
 		}
+	} else {
+		err = filemap_check_errors(mapping);
 	}
 	return err;
 }