---

yaml
---
r: 23604
b: refs/heads/master
c: 174e27c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0e6b3e5e97e2e8a25bcfc528dad94edf5220dfeb
+refs/heads/master: 174e27c607cfa3ebb92934d28c0fdfcf5ce6c3af

trunk/fs/direct-io.c

@@ -129,6 +129,7 @@ struct dio {
 	/* AIO related stuff */
 	struct kiocb *iocb;		/* kiocb */
 	int is_async;			/* is IO async ? */
+	int io_error;			/* IO error in completion path */
 	ssize_t result;                 /* IO result */
 };
 
@@ -250,6 +251,10 @@ static void finished_one_bio(struct dio *dio)
 			    ((offset + transferred) > dio->i_size))
 				transferred = dio->i_size - offset;
 
+			/* check for error in completion path */
+			if (dio->io_error)
+				transferred = dio->io_error;
+
 			dio_complete(dio, offset, transferred);
 
 			/* Complete AIO later if falling back to buffered i/o */
@@ -406,7 +411,7 @@ static int dio_bio_complete(struct dio *dio, struct bio *bio)
 	int page_no;
 
 	if (!uptodate)
-		dio->result = -EIO;
+		dio->io_error = -EIO;
 
 	if (dio->is_async && dio->rw == READ) {
 		bio_check_pages_dirty(bio);	/* transfers ownership */
@@ -971,6 +976,7 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 	dio->next_block_for_io = -1;
 
 	dio->page_errors = 0;
+	dio->io_error = 0;
 	dio->result = 0;
 	dio->iocb = iocb;
 	dio->i_size = i_size_read(inode);