X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=fs%2Fiomap.c;h=b8a91064abc69f995fe666aa94fa82697106d5d8;hb=HEAD;hp=59cc98ad7577b438a7928cdace1f2af3a7cabf75;hpb=985e775573943327bba16326013f56f62c43292c;p=mirror_ubuntu-artful-kernel.git

diff --git a/fs/iomap.c b/fs/iomap.c
index 59cc98ad7577..b8a91064abc6 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -993,6 +993,13 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 	WARN_ON_ONCE(ret);
 	ret = 0;
 
+	if (iov_iter_rw(iter) == WRITE && !is_sync_kiocb(iocb) &&
+	    !inode->i_sb->s_dio_done_wq) {
+		ret = sb_init_dio_done_wq(inode->i_sb);
+		if (ret < 0)
+			goto out_free_dio;
+	}
+
 	inode_dio_begin(inode);
 
 	blk_start_plug(&plug);
@@ -1015,13 +1022,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 	if (ret < 0)
 		iomap_dio_set_error(dio, ret);
 
-	if (ret >= 0 && iov_iter_rw(iter) == WRITE && !is_sync_kiocb(iocb) &&
-			!inode->i_sb->s_dio_done_wq) {
-		ret = sb_init_dio_done_wq(inode->i_sb);
-		if (ret < 0)
-			iomap_dio_set_error(dio, ret);
-	}
-
 	if (!atomic_dec_and_test(&dio->ref)) {
 		if (!is_sync_kiocb(iocb))
 			return -EIOCBQUEUED;